SSS Spur Pinion Shafts. m0.5 ~ 10 Page 64. SUS SUSA Stainless Steel Spur Gears. Series. m0.5 ~ 1 Page 156. DS Injection Molded.

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1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground SSGS Ground Pinion Shafts SSG Ground SSS Pinion Shafts SS Steel SSA Steel Hubless SSY Steel Thin Face Series Series Series m1 ~ Page 3 SSAY Steel Hubless Thin Face m1. ~ 3 Page SSAY/K with Built-In Clamps m0. ~ Page LS Sintered Metal m0. ~ 3 Page 2 SUS SUSA Stainless Steel Series m0. ~ Page SUSL Stainless Steel Fairloc Hub Newly added m1 ~ Page 9 DSL Acetal Fairloc Hub m0., 1 Page 2 NSU Plastic with Steel Core Series m1 Page PU Plastic with Stainless Steel Core Series m0., 1 Page PS PSA Plastic Series m0., 0. Page 1 SUKB Stainless Steel Hubs m1 ~ Page 11 DS Injection Molded m0. ~ 1 Page 0 BB Sintered Metal Bushings m0. ~ 1 Page BSS Brass Newly added m1 ~ 3 Page SSR Steel Ring ( ) Newly added m1 ~ 2 Page 13 m1 ~ 3 Page 10 φ ~ 0 Page m0. ~ 1 Page φ ~ Page 1 m0. ~ 1 Page 1 m2 ~ 3 Page (Example) Catalog Number of KHK Stock The Catalog Number for KHK stock gears is based on the simple formula listed below. Please order KHK gears by specifying the Catalog Numbers. S S G 1-1 No. of Teeth (1) Module (1) s (Ground Gear) Type ( Gear) Material (SC) Material Type S SC S M SCM1 SU SUS3 Information P MC901 A Hubless N MC02-ST G Ground D DURACON L Fairloc Hub BS Free-Cutting Brass C R Ring L SMF00 S Pinion Shafts U Plastic with Steel Core Y Thin Face Feature Icons RoHS Compliant Product Re-machinable Product Finished Product Ground Gear Resin Product Injection Molded Product Heat Treated Product Stainless Product Copper Alloy Product Black Oxide coated Product 29 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Characteristics To meet your requirements, KHK stock gears are made in a variety of types, materials, configurations, modules and numbers of teeth. We also offer products that allow secondary operations to be performed on the bores, shafts, outside diameters, keyways and set screws. The following table lists the main features. Module Material Heat Treatment Tooth Surface Finish Precision JIS B 02-1:199 Secondary Operations Features MSGA MSGB 1~ SCM1 Carburized Ground N High strength, abrasion-resistant and compact. SSGS 1. ~ 3 SC SSG 0. ~ SC Thermal refined Gear teeth induction hardened Ground N7 Gear teeth induction hardened Ground N7 NOTE 1 Ground shaft pinions that allow modification of shafts to fit your bearings. Although heat treatment is applied to tooth area, secondary operation can be added. Finished products for J Series are also available. SSS 0. ~ 3 SC Thermal refined NOTE 2 Cut N NOTE 3 For the SS series, Shaft-Pinions with a small number of teeth ( to 13 teeth) are available. SS 0. ~ SC Cut N NOTE 3 A low priced, general usage gear with a large selection of modules and number of teeth, finished products for J Series are also available. SSA 1~ SC Cut N Hubless gears for lighter and more compact applications. Finished products for J Series are also available. SSY 0. 1 SC Cut N NOTE 3 Narrower face gears for light-duty applications. SSAY 1 SC Cut N Hubless and narrow faces for even lighter and more compact gears. SSAY/K 0. 1 SC Cut N NOTE 3 Compact sized gears can be clamped to the shafts without a hub. LS SMF00 (Equiv. to SC) Sintered N NOTE 3 Low cost due to elimination of machining and reduction in wasted material. SUS SUSA 1~ SUS3 Cut N Stainless steel gears for more rust-resistant gears. Finished products for J Series are also available. SUSL 0. ~ 1 SUS3 Cut N NOTE 3 Fine-pitch gears with rust resistance, enabled to clamp to shafts without any keys or set screws. DSL 0. ~ 1 Acetal (SUS3) Cut N NOTE 3 Fine-pitch gears can be used without lubrication, easily clamped to shafts without any keys or set screws. NSU 1~3 MC02ST (SC) Cut N9 Nylon teeth with steel hubs that can have keyways and set screws added. Finished products for J Series are also available. PU 1~2 MC901 (SUS3) Cut N9 Nylon teeth with stainless steel hubs for rust-resistance. Finished products for J Series are also available. PS PSA 1~3 MC901 Cut N9 Possible to operate without lubrication. Suitable for food processing machines. Finished products for J Series are also available. DS 0. ~ 1 Duracon (M90-) Injection Molded Equiv. to N Low cost, mass-produced products suitable for light duty office machines. BSS 0. ~ 1 Free-cutting Brass (C) Cut N NOTE 3 Small module brass spur gears suitable for mating with DS gears. SSR 2~3 SC Cut N9 NOTE 1 with module less than 0. are thermal refined, without gear teeth hardened. NOTE 2 SA-shaped products with module less than 1 have no material thermal refinement treatment. NOTE 3 For products which are smaller than module 0., the accuracy grade is equivalent to the value shown. Allows large gear ratios. Can also be used as segment gears and corner racks. Possible Partly possible Not possible By chamfering the corners of the top land, gear noise is reduced, and the chances of damage due to handling and transportation are decreased. All KHK gears larger than m1. have their teeth chamfered. Black colored products are KHK stock gears that have black oxide coating for rust resistance; this blackness is a product characteristic of KHK stock gears. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Selection Hints KHK Technical Information Please select the most suitable products by carefully considering the characteristics of items and contents of the product tables. It is also important to read all applicable CAUTION notes before the final selection. Use of catalog numbers when ordering will simplify and expedite the processing of your order. 1. Caution in selecting the mating 2. Caution in Selecting Based on Gear Strength 1 Basically, all spur gears, internal gears and racks can be paired as long as the module matches. with different materials, tooth widths, or methods of cutting the teeth can be mated. 2 When using a pinion with an internal gear with a small difference in the numbers of teeth, there are possibilities for involute interference, trochoid interference and trimming interference. See the internal gear interference portion of the technical section to avoid problems in assembling these items. (Page ) Calculation of Bending Strength of Item MSGA MSGB SSGS SSG SSS,SS,SSA SSY,SSAY SSAY/K SSR The gear strength values shown in the product pages were computed by assuming a certain application environment. Therefore, they should be used as reference only. We recommend that each user computes his own values by applying the actual usage conditions. Also, SUSL Fairloc hub spur gears, DSL Fairloc hub spur gears and SSAY/K spur gears with built-in clamps need additional considerations of the starting torque. The table below contains the assumptions established for various products in order to compute gear strengths. SUS SUSA SUSL LS Formula NOTE 1 Formula of spur and helical gears on bending strength (JGMA01-01) The Lewis formula No. of teeth of mating gears Same number of teeth ( for SSGS SSS SSR) --- Rotation 00rpm 0rpm 0rpm Durability Over 7 cycles --- Impact from motor Uniform load Allowable Bending Stress(kgf/mm 2 ) Impact from load Uniform load 0..0 Direction of load Bidirectional (0 with No (0 with No m Allowable bending stresss at root σ Flim (kgf/mm 2 ) NOTE (2.)Note 3 19 (2.)Note. Lubrication) Lubrication) (0 with Grease Safety factor S Lubrication) F 1.2 Calculation of Surface Durability (Except where it is common with Bending Strength) Formula NOTE 1 Formula of spur and helical gears on surface durability(jgma02-01) Kinematic viscosity of lubricant 0cSt (0 ) Gear support Symmetric support by bearings Note Allowable Hertz stress σ Hlim (kgf/mm 2 ) (2.) NOTE 3 9 (2.) NOTE Safety factor SH 1.1 NOTE 1 JGMA (Japanese Manufacturers Association), MC Nylon Technical Data of Nippon Polypenco Limited and Duracon Gear of Polyplastic Co. The units for rotational speed (rpm) and the load (kgf/mm2) were matched to the units needed in the equation. NOTE 2 The allowable bending stress at the root σ Flim is calculated from JGMA01-01, and set to 2/3 of the value in the consideration of the use of planetary, idler, or other gear systems, loaded in both directions. NOTE 3 For SSG Ground, with module 0. or lesser, thermal refining is applied. Allowable bending stress and allowable hertz stress are referred to as the value shown in the parentheses. NOTE For SSS Pinion Shafts, with module over 1., tooth induction hardening is not applied. Allowable bending stress and allowable hertz stress are referred to the value shown in the parentheses. NOTE SSS Pinion Shafts with module 1.0 or lesser (SA configuration) are set to cantilever support as it is a single shaft type. BSS NSU PU PS PSA DSL DS Definition of bending strength by JGMA 01-01(197) The allowable bending strength of a gear is defined as the allowable tangential force at the pitch circle based on the mutually allowable root stress of two meshing gears under load. Definition of surface durability by JGMA 02-01(197) The surface durability of a gear is defined as the allowable tangential force at the pitch circle, which permits the force to be transmitted safely without incurring surface failure. Example of the failure due to insufficient bending strength. Example of the defacement due to insufficient surface durability. 31 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

4 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Application Hints In order to use KHK stock gears safely, carefully read the Application Hints before proceeding. If there are questions or if you require clarifications, please contact our technical department or your nearest distributor. KHK CO., LTD. TECHNICAL DEPARTMENT PHONE: FAX: or MARYLAND METRICS 1.Caution on Performing Secondary Operations 1 If you are reboring, it is important to pay special attention to locating the center in order to avoid runout. 2 The reference datum for gear cutting is the bore. Therefore, use the bore for locating the center. If it is too difficult to do for small bores, the alternative is to use one spot on the bore and the runout of the side surface. 3 If the rework requires using scroll chucks, we recommend the use of new or rebored jaws for improved precision. If chucking by the teeth, please apply the pressure carefully to avoid crushing the teeth which will lead to noisy gears. Tapping & Keyway Slotting Lathe Operations The maximum bore size is dictated by the requirement that the strength of the hub is to be higher than that of the gear teeth. The maximum bore size should be 0% to 70% of the hub diameter (or teeth root diameter), and 0% to 0% for keyway applied modifications. In order to avoid stress concentration, leave radii on the keyway corners. Heat Treatment If you apply induction hardening to the gear teeth of SC products, you need to designate the hardness and where to apply the heat treatment. Below is an example of common specifications and KHK's specifications for hardening: Common Specifications for Heat Treatment Area: Tooth surface, or, Tooth surface and Tooth root Hardness: Within HRC in the range from to 0 HRC. (e.g. - HRC) KHK s Specifications for Heat Treatment Area: Tooth surface, or, Tooth surface and Tooth root Hardness: From 0 to 0 HRC. *Hardness and Depth of Gear-teeth Induction Hardening The hardening method and the state of hardened teeth area are varied depending on the size of gears. Since different hardening treatment is applied in accordance with the module and number of teeth, the hardness level you designate is referred to as the hardness of the reference diameter. For some of our products, there may be a case that the hardness at tooth tip / root may not be equal to the hardness you designated. As to the effective case depth for SC, it is specified by JIS, as The distance from the surface of the case to the area with hardness HV0. The case depth differs from area to area of a tooth. 2. Points of Caution in Assembling 1 KHK stock spur gears are designed to give the proper backlash when assembled using the center distance given by the formula below (center distance tolerance of H7 H). Backlash may be adjusted by changing the center distance of mating gears. For more information, please consult the technical section on gear backlash (page ) in separate technical reference book. 32 To avoid problems of reduced gear precision and other manufacturing difficulties, do not attempt to machine the gears to reduce face widths. 7 If you apply induction hardening on gear teeth, please be aware of potential thermal stress cracks. Also, note that the precision grade of the product declines by 1 or 2 grades, as deformation on material may occur. If you require tolerance for bore or other parts, machining is necessary after heat treatment. a = m(z1+z2)/2 where a :Center Distance m :Module Z1 :No. of teeth of pinion Z2 :No. of teeth of gear Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

5 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: KHK Technical Information 2 The table below indicates the tolerance on the total length of KHK stock spur gears. Please refer to this data when designing gear boxes or other components. Overall Length Tolerance for and Overall Length(mm) Under Over Under 0 Over 0 Tolerance Note Following products are excluded from this table: pinion shafts, Injection molded spur gears, Fairloc hub spur gears, and MC nylon products. 3 gears produce no thrust forces, however, be sure to fasten them firmly with stepped shafts, or collars, to prevent shifting toward the shaft. Keyways are generally used in fastening gears to a shaft, and they should be secured by applying drilled holes for set screws, or applying flats to the shaft, in case of fastening only with set screws. There are also methods of secure settings using a MACHALOCK, a Posi-Lock, or a Shupanring, which are parts for the engaging the hole and the axis. Verify that the two shafts are parallel. Incorrect assembly will lead to uneven teeth contact which will cause noise and wear. (After assembly, the gear mesh can be checked by applying a contact pattern compound and rotating the gears.) Test example: Abrasion occurred on SSG3- due to poor edge contact (only % with proper contact). In this example, the gear oil used is equivalent to the JIS gear oil category 2, No. 3 The design conditions were load torque at 27 rpm, 2. kg/m ( kw), 1. times the allowable bending strength, and 3 times the allowable surface durability torque. The pitting occurred on the poor tooth contact area after 0 hours of Poor tooth contact and pitting continuous operation. Application Examples Full-automatic Forming Machine by Jey Machine Co. SSA and SS are used for stirring devices. Takashima High-Speed Wire Straightening & Cutting Machines by Takashima Sangyo Co., Ltd. SS are used at the feeder. Automatic Packing Machine by New Max SS, segment shaped by secondary operation, are used at the crimping device. Electric Wire Winder by Sakuma Tekko KK. SS are used at the stopper of handgrip. 33 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

6 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module 1 Precision grade Specifications JIS grade N (JIS B02-1: 199) JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Module No. of teeth Shape MSGA1-1 MSGA1- MSGB1-** MSGA1-2 MSGB1-2 MSGA1-2 MSGB1-2 MSGA1- MSGB1- MSGA1-3 MSGB1-3 MSGA1-3 MSGB1-3 MSGA1-0 MSGB1-0 MSGA1- MSGB1- MSGA1- MSGB1- MSGA1-0 MSGB1-0 MSGA1- MSGB1- MSGA1-0 MSGB1-0 MSGA1-70 MSGB1-70 MSGA1-0 MSGB1-0 MSGA1-0 MSGB1-0 [Caution on Product Characteristics] m1 Tooth hardness ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth Bending strength Surface durability Bending strength Surface durability (mm) Weight (kg) 3 x ~ MSGA1-1 3 x MSGA ~0.1 x MSGB1-** x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 2.3 x 1. x 2.3 x 1. x 2.3 x 1. x 2.3 x 1. x 2.3 x 1. x 2.3 x 2.3 x 2. x 2.3 x 2. x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 [Caution on Secondary Operations] ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ MSGA1-2 MSGB1-2 MSGA1-2 MSGB1-2 MSGA1- MSGB1- MSGA1-3 MSGB1-3 MSGA1-3 MSGB1-3 MSGA1-0 MSGB1-0 MSGA1- MSGB1- MSGA1- MSGB1- MSGA1-0 MSGB1-0 MSGA1- MSGB1- MSGA1-0 MSGB1-0 MSGA1-70 MSGB1-70 MSGA1-0 MSGB1-0 MSGA1-0 MSGB1-0 1 No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. For updated information, please see KHK Web Catalog. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

8 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module 1. Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. Module No. of teeth Shape AH7 B C D E F G H I MSGA1.-1** MSGA MSGB1.-1 MSGA1.- MSGB1.- MSGA1.-2 MSGB1.-2 MSGA1.-2 MSGB1.-2 MSGA1.- MSGB1.- MSGA1.-3 MSGB1.-3 MSGA1.-3 MSGB1.-3 MSGA1.-0 MSGB1.-0 MSGA1.- MSGB1.- MSGA1.- MSGB1.- MSGA1.-0 MSGB1.-0 MSGA1.- MSGB1.- MSGA1.-0 MSGB1.-0 MSGA1.-70 MSGB1.-70 MSGA1.-0 MSGB1.-0 MSGA1.-0 MSGB1.-0 [Caution on Product Characteristics] m Tooth hardness ~ 0HRC Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth Bending strength Surface durability Bending strength Surface durability (mm) Weight (kg) x ~ MSGA1.-1** x MSGA ~0.1 x MSGB1.-1 x 1. x 2.3 x 1. x 2.3 x 2.3 x 2.3 x 2.3 x 2. x 2.3 x 2. x 2.3 x 2. x 2.3 x 2. x 2.3 x 2. x 2.3 x 2. x 2. x 2. x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 x 3.3 x 3.3 [Caution on Secondary Operations] ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ MSGA1.- MSGB1.- MSGA1.-2 MSGB1.-2 MSGA1.-2 MSGB1.-2 MSGA1.- MSGB1.- MSGA1.-3 MSGB1.-3 MSGA1.-3 MSGB1.-3 MSGA1.-0 MSGB1.-0 MSGA1.- MSGB1.- MSGA1.- MSGB1.- MSGA1.-0 MSGB1.-0 MSGA1.- MSGB1.- MSGA1.-0 MSGB1.-0 MSGA1.-70 MSGB1.-70 MSGA1.-0 MSGB1.-0 MSGA1.-0 MSGB No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. For updated information, please see KHK Web Catalog. 37 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

10 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module 2 Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Module No. of teeth Shape MSGA2-1 MSGB2-1** MSGA2-1 MSGB2-1 MSGA2- MSGB2- MSGA2-2 MSGB2-2 MSGA2-2 MSGB2-2 MSGA2- MSGB2- MSGA2-3 MSGB2-3 MSGA2-3 MSGB2-3 MSGA2-0 MSGB2-0 MSGA2- MSGB2- MSGA2- MSGB2- MSGA2-0 MSGB2-0 MSGA2- MSGB2- MSGA2-0 MSGB2-0 MSGA2-70 MSGB2-70 MSGA2-0 MSGB2-0 MSGA2-0 MSGB2-0 m S2 0 S2 Tooth hardness ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I [Caution on Product Characteristics] 1 Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground G G G G Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth x 1. x 2.3 x 1. x 2.3 x 2.3 x 2. x 2.3 x 2. x 2.3 x 2. x 2. x 2. x 2. x 2. x 2. x 2. x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 [Caution on Secondary Operations] S2 Bending strength Surface durability Bending strength Surface durability (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) MSGA2-1 MSGB2-1** MSGA2-1 MSGB2-1 MSGA2- MSGB2- MSGA2-2 MSGB2-2 MSGA2-2 MSGB2-2 MSGA2- MSGB2- MSGA2-3 MSGB2-3 MSGA2-3 MSGB2-3 MSGA2-0 MSGB2-0 MSGA2- MSGB2- MSGA2- MSGB2- MSGA2-0 MSGB2-0 MSGA2- MSGB2- MSGA2-0 MSGB2-0 MSGA2-70 MSGB2-70 MSGA2-0 MSGB2-0 MSGA2-0 MSGB2-0 1 No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. For updated information, please see KHK Web Catalog. 39 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

12 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module 2. Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Module No. of teeth Shape MSGA2.-1 MSGB2.-1** MSGA2.-1 MSGB2.-1 MSGA2.- MSGB2.- MSGA2.-2 MSGB2.-2 MSGA2.-2 MSGB2.-2 MSGA2.- MSGB2.- MSGA2.-3 MSGB2.-3 MSGA2.-3 MSGB2.-3 MSGA2.-0 MSGB2.-0 MSGA2.- MSGB2.- MSGA2.- MSGB2.- MSGA2.-0 MSGB2.-0 MSGA2.- MSGB2.- MSGA2.-0 MSGB2.-0 MSGA2.-70 MSGB2.-70 [Caution on Product Characteristics] m S2 Tooth hardness ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 0 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground G G G G Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth x 2.3 x 2. x 2. x 2. x 2. x 2. x 2. x 2. x 2. x 3.3 x 2. x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x x 3. [Caution on Secondary Operations] S2 Bending strength Surface durability Bending strength Surface durability (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) GCU-S Gear Kit MSGA2.-1 MSGB2.-1** MSGA2.-1 MSGB2.-1 MSGA2.- MSGB2.- MSGA2.-2 MSGB2.-2 MSGA2.-2 MSGB2.-2 MSGA2.- MSGB2.- MSGA2.-3 MSGB2.-3 MSGA2.-3 MSGB2.-3 MSGA2.-0 MSGB2.-0 MSGA2.- MSGB2.- MSGA2.- MSGB2.- MSGA2.-0 MSGB2.-0 MSGA2.- MSGB2.- MSGA2.-0 MSGB2.-0 MSGA2.-70 MSGB No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. For updated information, please see KHK Web Catalog. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

14 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module 3 Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Module No. of teeth Shape MSGA3-1 MSGB3-1** MSGA3-1 MSGB3-1 MSGA3- MSGB3- MSGA3-2 MSGB3-2 MSGA3-2 MSGB3-2 MSGA3- MSGB3- MSGA3-3 MSGB3-3 MSGA3-3 MSGB3-3 MSGA3-0 MSGB3-0 MSGA3- MSGB3- MSGA3- MSGB3- MSGA3-0 MSGB3-0 MSGA3- MSGB3- MSGA3-0 MSGB3-0 [Caution on Product Characteristics] m S2 S2 0 S2 Tooth hardness ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2 The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

15 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground G G G G Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth x 2. x 2. x 2. x 3.3 x 2. x 3.3 x 2. x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x x 3. [Caution on Secondary Operations] S2 Bending strength Surface durability Bending strength Surface durability (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) MSGA3-1 MSGB3-1** MSGA3-1 MSGB3-1 MSGA3- MSGB3- MSGA3-2 MSGB3-2 MSGA3-2 MSGB3-2 MSGA3- MSGB3- MSGA3-3 MSGB3-3 MSGA3-3 MSGB3-3 MSGA3-0 MSGB3-0 MSGA3- MSGB3- MSGA3- MSGB3- MSGA3-0 MSGB3-0 MSGA3- MSGB3- MSGA3-0 MSGB3-0 1 No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. An example of KHK's inspection report on tooth profile and lead errors. The precision grade of a spur gear (JIS B 02-1:199 and JIS B 02-2:199) is determined by factors such as single pitch error, pitch variation error, accumulated pitch error, tooth profile error, run out error, load error etc. For more details, please refer to the section Accuracy of and in separate technical reference book. For updated information, please see KHK Web Catalog. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

16 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground Module Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade 1 (JIS B02: 197) G G G Gear teeth Standard full depth Pressure angle Material SCM1 G Heat treatment Overall carburizing Module No. of teeth Shape MSGA-1 MSGB-1** MSGA-1 MSGB-1 MSGA- MSGB- MSGA-2 MSGB-2 MSGA-2 MSGB-2 MSGA- MSGB- MSGA-3 MSGB-3 MSGA-3 MSGB-3 MSGA-0 MSGB-0 MSGA- MSGB- MSGA- MSGB- MSGA-0 MSGB-0 [Caution on Product Characteristics] m S2 0 S2 Tooth hardness ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of the heat treatment. 2The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction for a pair of identical gears in mesh. marked with ** have a small amount of material between the corner of the keyway and the tooth root. This mode of failure must be considered when selecting these gears. For details, please see our web site. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

17 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: MSGA MSGB Ground G G G G Keyway Allowable torque (N m) Allowable torque (kgf m) Backlash Width Depth x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x 3.3 x x 3. x x 3. x x 3. x x 3. [Caution on Secondary Operations] S2 Bending strength Surface durability Bending strength Surface durability (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) MSGA-1 MSGB-1** MSGA-1 MSGB-1 MSGA- MSGB- MSGA-2 MSGB-2 MSGA-2 MSGB-2 MSGA- MSGB- MSGA-3 MSGB-3 MSGA-3 MSGB-3 MSGA-0 MSGB-0 MSGA- MSGB- MSGA- MSGB- MSGA-0 MSGB-0 1 No secondary operations can be performed on these precision finished gears due to the applied carburizing process. For products which are different in specifications, such as bore size, we accept custom-made gear orders and provide a price quote. An example of KHK's inspection report on various pitch errors. The precision grade of a spur gear (JIS B 02-1:199 and JIS B 02-2:199) is determined by factors such as single pitch error, pitch variation error, accumulated pitch error, tooth profile error, run out error, load error etc. For more details, please refer to the section Accuracy of and in separate technical reference book. For updated information, please see KHK Web Catalog. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

18 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSGS Ground Pinion Shafts Module Module No. of teeth SSG.- SSG.-11 SSG.- SSG.-13 SSGS2- SSGS2-11 SSGS2- SSGS2-13 SSGS2.- SSGS2.-11 SSGS2.- SSGS2.-13 SSGS3- SSGS3-11 SSGS3- SSGS3-13 [Caution on Product Characteristics] m1. m2 m2. m Precision grade Gear teeth Pressure angle Material Specifications JIS grade N7 (JIS B02-1: 199) JIS grade 3 (JIS B02: 197) Standard full depth SC Thermal refinined, tooth Heat treatment surfaces induction hardened Tooth hardness 0 ~ 0HRC Profile shift coefficient Shape S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 S7 G G G Shaft dia. (L) Shaft length (L) Pitch dia. Outside dia. Face width Shaft dia. (R)Shaft length (R) Total length A' F' C D E A F G The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 - and 11-tooth gears with a pitch of module 1. or greater are profile shifted gears (x = +0.). Please refer to the below tables for calculating the center distance when assembled. 3 The backlash values shown in the table are the theoretical values for the normal direction for a pair of identical SSG with teeth in mesh S Center distance of Stock Meshing with Profile Shifted The table on the right shows the center distance of the spur gears (x=0) which can be meshed with profile shifted spur gears (x=+0.) with module 1. Multiply by the actual module to determine your center distance. Center distance when gear has to teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Center distance when gear has 32 to 2 teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

19 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Ground Pinion Shafts SSGS Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] (mm) 0.0~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.21 Weight (kg) SSG.- SSG.-11 SSG.- SSG.-13 SSGS2- SSGS2-11 SSGS2- SSGS2-13 SSGS2.- SSGS2.-11 SSGS2.- SSGS2.-13 SSGS3- SSGS3-11 SSGS3- SSGS Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land ( approx. 2 to 3 mm). Use carbide tools for the modification of the shaft area near the bottom land. Center distance when gear has to 0 teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Assembly distance of a profile shifted gear and the meshing rack zm a= +H+xm 2 Where a:assembly Distance H:Height of pitch line of rack m:module z:no. of Teeth x:profile Shift Coefficient For updated information, please see KHK Web Catalog. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

20 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Specifications JIS grade N7 (JIS B02-1: 199) Precision grade JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Module G Pressure angle Material SC * Heat treatment - * Module No. of teeth Shape m0. Tooth hardness 0 ~ 270HB Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth SSG0.-A T SSG0.-B T SSG0.-32A 32 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-70A SSG0.-70B SSG0.-0A SSG0.-0B SSG0.-A SSG0.-B T T T T T T T T T T T T SSG0.-21A 21 T SSG0.-22A 22 T SSG0.-23A 23 T SSG0.-2A SSG0.-2B SSG0.-2A SSG0.-2B 2 2 T T T T SSG0.-2A 2 T SSG0.-27A 27 T SSG0.-2A 2 T SSG0.-29A 29 T SSG0.-A SSG0.-B SSG0.-C T T T m0. SSG0.-32A 32 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-3A 3 T SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-70A SSG0.-70B SSG0.-0A SSG0.-0B [Caution on Product Characteristics] * Tooth areas, where size is less than 0. module, without quenching treatment. T T T T T T T T T T For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. T Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

21 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) Weight (kg) M SSG0.-A ~0.0 M SSG0.-B M ~ SSG0.-32A M ~ SSG0.-3A M ~ SSG0.-3A M ~ SSG0.-3A M ~ SSG0.-3A M M M M M M M M M M M M ~ ~ ~ ~ ~ ~ SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-70A SSG0.-70B SSG0.-0A SSG0.-0B SSG0.-A SSG0.-B M ~ SSG0.-21A M ~ SSG0.-22A M ~ SSG0.-23A M M M M ~ ~ SSG0.-2A SSG0.-2B SSG0.-2A SSG0.-2B M ~ SSG0.-2A M ~ SSG0.-27A M ~ SSG0.-2A M ~ SSG0.-29A M M M ~ SSG0.-A SSG0.-B SSG0.-C M ~ SSG0.-32A M ~ SSG0.-3A M ~ SSG0.-3A M ~ SSG0.-3A M ~ SSG0.-3A M M M M M M M M M M [Caution on Secondary Operations] ~ ~ ~ ~ ~ SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-0A SSG0.-0B SSG0.-70A SSG0.-70B SSG0.-0A SSG0.-0B 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. For updated information, please see KHK Web Catalog. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

22 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Module 1 Precision grade Specifications JIS grade N7 (JIS B02-1: 199) * JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Face width (E) 0 Hub width (F) Total length (G) 1 offset (J) 0 * The precision grade of J Series products is equivalent to the value shown in the table. No. of Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~ SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~ SSG SSG SSG SSG SSG ~0. 0. [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] G 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). 0 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

23 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Series Ground G G To order J Series products, please specify; + J + BORE T Bore H7 * The product shapes of J Series items are identified by background color. Keyway Js size M M M M M SSG1-1 J BORE SSG1-1 J BORE SSG1- J BORE SSG1-1 J BORE SSG1-19 J BORE SSG1- J BORE SSG1-21 J BORE SSG1-22 J BORE SSG1-23 J BORE SSG1-2 J BORE SSG1-2 J BORE SSG1-2 J BORE SSG1-27 J BORE SSG1-2 J BORE SSG1-29 J BORE SSG1- J BORE SSG1-32 J BORE SSG1-3 J BORE SSG1-3 J BORE SSG1-3 J BORE SSG1-3 J BORE SSG1-0 J BORE SSG1-2 J BORE SSG1- J BORE SSG1- J BORE SSG1- J BORE SSG1-0 J BORE SSG1- J BORE SSG1- J BORE SSG1-0 J BORE SSG1- J BORE SSG1-70 J BORE SSG1-7 J BORE SSG1-0 J BORE SSG1-90 J BORE SSG1-0 J BORE SSG1-0 J BORE [Caution on J series] 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. K For updated information, please see KHK Web Catalog. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

24 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Module 1. No. of teeth Shape Precision grade Specifications JIS grade N7 (JIS B02-1: 199) * JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Face width (E) 1 Hub width (F) 1 Total length (G) 29 offset (J) 07 * The precision grade of J Series products is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0.1 SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0.1 SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0. 1. SSG SSG [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). G 2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

25 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Series Ground G G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SSG1.-1 J BORE SSG1.-1 J BORE SSG1.-1 J BORE SSG1.- J BORE SSG1.-1 J BORE SSG1.-19 J BORE SSG1.- J BORE SSG1.-21 J BORE SSG1.-22 J BORE SSG1.-23 J BORE SSG1.-2 J BORE SSG1.-2 J BORE SSG1.-2 J BORE SSG1.-27 J BORE SSG1.-2 J BORE SSG1.-29 J BORE SSG1.- J BORE SSG1.-32 J BORE SSG1.-3 J BORE SSG1.-3 J BORE SSG1.-3 J BORE SSG1.-3 J BORE SSG1.-0 J BORE SSG1.-2 J BORE SSG1.- J BORE SSG1.- J BORE SSG1.- J BORE SSG1.-0 J BORE SSG1.- J BORE SSG1.- J BORE SSG1.-0 J BORE SSG1.- J BORE SSG1.-70 J BORE SSG1.-7 J BORE SSG1.-0 J BORE SSG1.-90 J BORE SSG1.-0 J BORE [Caution on J series] T2 * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. K For updated information, please see KHK Web Catalog. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

26 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Module 2 Precision grade Specifications JIS grade N7 (JIS B02-1: 199) * JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Face width (E) Hub width (F) 1 Total length (G) 3 offset (J) 0 * The precision grade of J Series products is equivalent to the value shown in the table. No. of Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSG SSG SSG SSG SSG SSG ~0. SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0.22 SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~ SSG SSG SSG SSG [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). G Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

27 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Series Ground G G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SSG2-1 J BORE SSG2-1 J BORE SSG2-1 J BORE SSG2- J BORE SSG2-1 J BORE SSG2-19 J BORE SSG2- J BORE SSG2-21 J BORE SSG2-22 J BORE SSG2-23 J BORE SSG2-2 J BORE SSG2-2 J BORE SSG2-2 J BORE SSG2-27 J BORE SSG2-2 J BORE SSG2-29 J BORE SSG2- J BORE SSG2-32 J BORE SSG2-3 J BORE SSG2-3 J BORE SSG2-3 J BORE SSG2-3 J BORE SSG2-0 J BORE SSG2-2 J BORE SSG2- J BORE SSG2- J BORE SSG2- J BORE SSG2-0 J BORE SSG2- J BORE SSG2- J BORE SSG2-0 J BORE SSG2- J BORE SSG2-70 J BORE SSG2-7 J BORE SSG2-0 J BORE SSG2-90 J BORE SSG2-0 J BORE [Caution on J series] T2 * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. K For updated information, please see KHK Web Catalog. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

28 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Module 2. No. of Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSG SSG SSG SSG ~ SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0.22 SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~ SSG SSG SSG SSG SSG [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Specifications JIS grade N7 (JIS B02-1: 199) * JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Face width (E) 2 Hub width (F) 1 Total length (G) 3 offset (J) 09 * The precision grade of J Series products is equivalent to the value shown in the table. G 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

29 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Series Ground G G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SSG2.-1 J BORE SSG2.-1 J BORE SSG2.-1 J BORE SSG2.- J BORE SSG2.-1 J BORE SSG2.-19 J BORE SSG2.- J BORE SSG2.-21 J BORE SSG2.-22 J BORE SSG2.-23 J BORE SSG2.-2 J BORE SSG2.-2 J BORE SSG2.-2 J BORE SSG2.-27 J BORE SSG2.-2 J BORE SSG2.-29 J BORE SSG2.- J BORE SSG2.-32 J BORE SSG2.-3 J BORE SSG2.-3 J BORE SSG2.-3 J BORE SSG2.-3 J BORE SSG2.-0 J BORE SSG2.-2 J BORE SSG2.- J BORE SSG2.- J BORE SSG2.- J BORE SSG2.-0 J BORE SSG2.- J BORE SSG2.- J BORE SSG2.-0 J BORE SSG2.-70 J BORE SSG2.-7 J BORE SSG2.-0 J BORE [Caution on J series] T2 * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. K For updated information, please see KHK Web Catalog. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

30 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Module 3 No. of Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSG SSG ~0. 0. SSG SSG SSG SSG SSG SSG SSG SSG SSG ~ SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG SSG ~0.2 SSG SSG SSG SSG SSG SSG SSG SSG [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Specifications JIS grade N7 (JIS B02-1: 199) * JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Face width (E) Hub width (F) Total length (G) 0 offset (J) * The precision grade of J Series products is equivalent to the value shown in the table. G 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

31 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Series Ground G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SSG3-1 J BORE SSG3-1 J BORE SSG3-1 J BORE SSG3- J BORE SSG3-1 J BORE SSG3-19 J BORE SSG3- J BORE SSG3-21 J BORE SSG3-22 J BORE SSG3-23 J BORE SSG3-2 J BORE SSG3-2 J BORE SSG3-2 J BORE SSG3-27 J BORE SSG3-2 J BORE SSG3-29 J BORE SSG3- J BORE SSG3-32 J BORE SSG3-3 J BORE SSG3-3 J BORE SSG3-3 J BORE SSG3-3 J BORE SSG3-0 J BORE SSG3-2 J BORE SSG3- J BORE SSG3- J BORE SSG3- J BORE SSG3-0 J BORE SSG3- J BORE SSG3- J BORE SSG3-0 J BORE SSG3-70 J BORE SSG3-7 J BORE SSG3-0 J BORE [Caution on J series] K * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. For updated information, please see KHK Web Catalog. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

32 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Specifications JIS grade N7 (JIS B02-1: 199) Precision grade JIS grade 3 (JIS B02: 197) Gear teeth Standard full depth Module G SSG-1 SSG-1 SSG-1 SSG-1 SSG- SSG-22 SSG-2 SSG-2 SSG-2 SSG- SSG-32 SSG-3 SSG-3 SSG-0 SSG-2 SSG- SSG- SSG- SSG-0 SSG- SSG- SSG-0 SSG- SSG-2 SSG- SSG- SSG-2 SSG- Module No. of teeth Shape [Caution on Product Characteristics] m m m Pressure angle Material SC Heat treatment Tooth surface induction hardened Tooth hardness 0 ~ 0HRC Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length AH7 B C D E F G The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 0 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

33 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSG Ground Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] (mm) 0.1~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0. 0.1~0. 0.1~0. 0.1~0. 0.1~0. Weight (kg) SSG-1 SSG-1 SSG-1 SSG-1 SSG- SSG-22 SSG-2 SSG-2 SSG-2 SSG- SSG-32 SSG-3 SSG-3 SSG-0 SSG-2 SSG- SSG- SSG- SSG-0 SSG- SSG- SSG-0 SSG- SSG-2 SSG- SSG- SSG-2 SSG- 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 2 to 3 mm). Poor tooth contact occurred on SSG3- (Approx. % of the proper gear contact) Gear Oil (Equivalent to JIS gear oil category 2 and No. 3) The design conditions are load torque at 27 rpm, of N m ( kw), 1. times the allowable bending strength, and 3 times the allowable surface durability torque. The pitting occurs on the poor tooth contact area after only 0 hours of continuous operation. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

34 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSS Pinion Shafts Module 0. ~ 3 Specifications Precision grade Gear teeth Pressure angle Material JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Heat treatment Thermal refined ** Module No. of teeth SSS0.- SSS0.-11 SSS0.- SSS0.-13 SSS0.- SSS0.-11 SSS0.- SSS0.-13 SS- SS-11 SS- SS-13 SS.- SS.-11 SS.- SS.-13 SSS2- SSS2-11 SSS2- SSS2-13 SSS2.- SSS2.-11 SSS2.- SSS2.-13 SSS3- SSS3-11 SSS3- SSS3-13 m0. m0. m1 m1. m2 m2. m Tooth hardness 0 ~ 270HB ** * The precision grade of products with a module less than 0. is equivalent to the value shown in the table. ** Items with the shape SA are not thermally refined and have a hardness of less than (19HB). Profile shift coefficient Shape SA SA SA SA SA SA SA SA SA SA SA SA SB SB SB SB SB SB SB SB SB SB SB SB SB SB SB SB Shaft dia. (L) Shaft length (L) Pitch dia. Outside dia. Face width Shaft dia. (R) Shaft length (R) Total length A' F' C D E A F G SA [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 - and 11-tooth gears with a pitch of module 1. or greater are profile shifted gears (x = +0.). Please refer to the tables below for calculating the center distance when assembled. 3 The backlash values shown in the table are the theoretical values for the normal direction for a pair of identical SS with teeth in mesh. Center distance of Stock Meshing with Profile Shifted The table on the right shows the center distance of the spur gears (x=0) which can be meshed with profile shifted spur gears (x=+0.) with module 1. Multiply by the actual module to determine your center distance. Center distance when gear has to teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Center distance when gear has 32 to 2 teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

35 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Pinion Shafts Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability (mm) SB Weight (kg) ~0. 0 ~0. 0 ~0. 0 ~ SSS0.- SSS0.-11 SSS0.- SSS ~0. 0 ~0. 0 ~0. 0 ~ ~ ~ ~ ~0. 0.~ ~ ~ ~0.2 0.~ ~ ~ ~ SSS0.- SSS0.-11 SSS0.- SSS0.-13 SS- SS-11 SS- SS-13 SS.- SS.-11 SS.- SS.-13 SSS2- SSS2-11 SSS2- SSS ~ ~ ~ ~ SSS2.- SSS2.-11 SSS2.- SSS ~ ~ ~ ~ SSS3- SSS3-11 SSS3- SSS3-13 [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. Center distance when gear has to 0 teeth (unit : mm) No. of teeth(x=+0.) 11 No. of teeth(x=0) Assembly distance of profile shifted gear and the meshing rack zm a= +H+xm 2 Where a:assembly Distance H:Height of pitch line of rack m:module z:no. of Teeth x:profile Shift Coefficient 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

36 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Module 0. Specifications Precision grade Gear teeth Pressure angle Material Heat treatment JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Module No. of teeth Shape * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth SS0.-1A 1 S3T SS0.-1A 1 S3T SS0.-A S3T SS0.-1A 1 S3T SS0.-19A 19 S3T SS0.-A S3T SS0.-B S3T SS0.-21A 21 S3T SS0.-22A 22 S3T SS0.-23A 23 S3T SS0.-2A S3T SS0.-2B S3T SS0.-2A S3T SS0.-2B S3T SS0.-2A 2 S3T SS0.-27A 27 S3T SS0.-2A 2 T SS0.-29A 29 T SS0.-A T SS0.-B T SS0.-C T SS0.-32A 32 T SS0.-3A 3 T SS0.-3A 3 T SS0.-3A 3 T m0. SS0.-3A 3 T SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T SS0.-A T SS0.-A T SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T SS0.-A T SS0.-A T SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T SS0.-A T SS0.-A T SS0.-70A T SS0.-70B T SS0.-72A 72 T [Caution on Product Characteristics] 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If the bore size is less than φ, the tolerance is H. If the bore size is φ or φ, and the hole length exceeds 3 times of the bore size, the tolerance is also H. The use of S3T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. S3T Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

37 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel T Set Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Size J Bending strength Surface durability Bending strength Surface durability (mm) (kg) ~ SS0.-1A ~ SS0.-1A ~ SS0.-A ~ SS0.-1A ~ SS0.-19A SS0.-A ~ SS0.-B ~ SS0.-21A ~ SS0.-22A ~ SS0.-23A SS0.-2A ~0. M SS0.-2B SS0.-2A ~0. M SS0.-2B ~ SS0.-2A ~ SS0.-27A ~ SS0.-2A ~ SS0.-29A M M ~ SS0.-A SS0.-B SS0.-C M ~ SS0.-32A M ~ SS0.-3A M ~ SS0.-3A M ~ SS0.-3A M ~ SS0.-3A M SS0.-0A ~0. M SS0.-0B M ~ SS0.-2A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M SS0.-0A ~0. M SS0.-0B M ~ SS0.-2A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M SS0.-0A ~0. M SS0.-0B M ~ SS0.-2A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M SS0.-70A ~0. M SS0.-70B M ~ SS0.-72A [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

38 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications Precision grade JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 0. Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth SS0.-7A 7 T SS0.-7A 7 T SS0.-0A T SS0.-0B T SS0.-A T SS0.-A T SS0.-A T 2 7 SS0.-90A m0. 90 T 2 7 SS0.-9A 9 T SS0.-9A 9 T SS0.-0A 0 T SS0.-A T SS0.-1A 1 T 2 7 SS0.-11A 11 T SS0.-0A 0 T T [Caution on Product Characteristics] 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If the bore size is less than φ, the tolerance is H. If the bore size is φ or φ, and the hole length exceeds 3 times of the bore size, the tolerance is also H. The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

39 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Set Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Size J Bending strength Surface durability Bending strength Surface durability (mm) (kg) M ~ SS0.-7A M ~ SS0.-7A M SS0.-0A ~0. M SS0.-0B M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-90A M ~ SS0.-9A M ~ SS0.-9A M ~0. 0. SS0.-0A M ~ SS0.-A M ~0. 0. SS0.-1A M ~ SS0.-11A M ~ SS0.-0A [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/ or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

40 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Module 0. Specifications Precision grade Gear teeth Pressure angle Material Heat treatment JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Module No. of teeth Shape * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth SS0.-1A 1 S3T SS0.-1A 1 S3T SS0.-A S3T SS0.-1A 1 S3T SS0.-19A 19 T SS0.-A T SS0.-B T SS0.-21A 21 T SS0.-22A 22 T SS0.-23A 23 T SS0.-2A T SS0.-2B T SS0.-2A T SS0.-2B T SS0.-2A 2 T SS0.-27A 27 T SS0.-2A 2 T SS0.-29A 29 T SS0.-A T SS0.-B T SS0.-C T SS0.-32A 32 T SS0.-3A 3 T SS0.-3A 3 T SS0.-3A 3 T m0. SS0.-3A 3 T SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T SS0.-A T SS0.-A T SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T 2. 1 SS0.-A T SS0.-A T 2. 1 SS0.-0A T SS0.-0B T SS0.-2A 2 T SS0.-A T SS0.-A T SS0.-A T SS0.-A T 2. 1 SS0.-70A T SS0.-70B T SS0.-72A 72 T [Caution on Product Characteristics] 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If the bore size is less than φ, the tolerance is H. If the bore size is φ or φ, and the hole length exceeds 3 times of the bore size, the tolerance is also H. The use of S3T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. S3T Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

41 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel T Set Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Size J Bending strength Surface durability Bending strength Surface durability (mm) (kg) M ~ SS0.-1A M ~ SS0.-1A M ~ SS0.-A M ~ SS0.-1A M ~ SS0.-19A M 0.01 SS0.-A ~0. M 0.0 SS0.-B M ~ SS0.-21A M ~ SS0.-22A M ~ SS0.-23A M 0.02 SS0.-2A ~0. M SS0.-2B M SS0.-2A ~0. M 0.02 SS0.-2B M ~ SS0.-2A M ~ SS0.-27A M ~ SS0.-2A M ~ SS0.-29A M M M ~ SS0.-A SS0.-B SS0.-C M ~ SS0.-32A M ~ SS0.-3A M ~ SS0.-3A M ~ SS0.-3A M ~ SS0.-3A M 0.0 SS0.-0A ~0. M 0.01 SS0.-0B M ~ SS0.-2A M ~ SS0.-A M ~ SS0.-A M ~0. 0. SS0.-A M ~ SS0.-A M 0.11 SS0.-0A ~0. M 0.11 SS0.-0B M ~0. 0. SS0.-2A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M 0.1 SS0.-0A ~0. M 0.1 SS0.-0B M ~ SS0.-2A M ~ SS0.-A M ~0. 0. SS0.-A M ~0. 0. SS0.-A M ~ SS0.-A M 0.19 SS0.-70A ~0. M 0.19 SS0.-70B M ~0. 0. SS0.-72A [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

42 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications Precision grade JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 0. Pressure angle Material SC Heat treatment Tooth hardness (less than) 19HB Module No. of teeth Shape * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth SS0.-7A 7 T SS0.-7A 7 T SS0.-0A T SS0.-0B T SS0.-A T SS0.-A T SS0.-A T SS0.-90A m0. 90 T SS0.-9A 9 T SS0.-9A 9 T SS0.-0A 0 T SS0.-A T 2. 1 SS0.-1A 1 T SS0.-11A 11 T SS0.-0A 0 T T [Caution on Product Characteristics] 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If the bore size is less than φ, the tolerance is H. If the bore size is φ or φ, and the hole length exceeds 3 times of the bore size, the tolerance is also H. The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 70 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

43 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Set Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Size J Bending strength Surface durability Bending strength Surface durability (mm) (kg) M ~ SS0.-7A M ~ SS0.-7A M 0.2 SS0.-0A ~0. M 0.23 SS0.-0B M ~ SS0.-A M ~ SS0.-A M ~ SS0.-A M ~ SS0.-90A M ~ SS0.-9A M ~ SS0.-9A M ~ SS0.-0A M ~ SS0.-A M ~ SS0.-1A M ~0. 0. SS0.-11A M ~ SS0.-0A [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. 71 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

44 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Module 1 Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) S-1 S-1A S-1B S-1 S-1A S-1B S- S-A S-1 S-1A S-1B S-19 S-19A S- S-A S-B S-C S-21 S-21A S-22 S-22A S-23 S-23A S-2 S-2A S-2B S-2C S-2 S-2A S-2B S-2C S-2 S-2A S-2B S-27 S-27A S-2 S-2A S-2B S-29 S-29A S- S-A S-B S-C S-D S-32 S-32A S-32B S-32C Module No. of teeth Shape [Caution on Product Characteristics] m S3 S3T S3T S3 S3T S3T S3 S3T S3 S3T S3T S3 S3T T T T T T T T T K T T K T K T T K T T T K K T K K Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If the bore size is less than φ, the tolerance is H. If the bore size is φ or φ, and the hole length exceeds 3 times of the bore size, the tolerance is also H. The use of S3T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. S3 x 1. x 1. x 1. x 1. x 1. x 1. x 1. x Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

45 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel [Caution on Secondary Operations] T Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M S3T ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.1 Weight (kg) S-1 S-1A S-1B S-1 S-1A S-1B S- S-A S-1 S-1A S-1B S-19 S-19A S- S-A S-B S-C S-21 S-21A S-22 S-22A S-23 S-23A S-2 S-2A S-2B S-2C S-2 S-2A S-2B S-2C S-2 S-2A S-2B S-27 S-27A S-2 S-2A S-2B S-29 S-29A S- S-A S-B S-C S-D S-32 S-32A S-32B S-32C 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. K 73 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

46 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 1 Pressure angle Material SC Heat treatment S-3 S-3A S-3 S-3A S-3B S-3 S-3A S-3B S-3 S-3A S-0 S-0A S-0B S-0C S-2 S-2A S- S-A S- S-A S-B S-C S- S-A S- S-A S-B S-0 S-0A S-0B S-0C S-2 S-2A S- S-A S- S-A S- S-A S-B S- S-A S-0 S-0A S-0B S-0C S-2 S-2A S- S-A Module No. of teeth Shape [Caution on Product Characteristics] m Tooth hardness (less than 19HB) K K K K K K T K K K K T K K K K K T K K K K K K K K K K K K K Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 2.3 x 1. x 1. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

47 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel T K Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M [Caution on Secondary Operations] ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.1 Weight (kg) S-3 S-3A S-3 S-3A S-3B S-3 S-3A S-3B S-3 S-3A S-0 S-0A S-0B S-0C S-2 S-2A S- S-A S- S-A S-B S-C S- S-A S- S-A S-B S-0 S-0A S-0B S-0C S-2 S-2A S- S-A S- S-A S- S-A S-B S- S-A S-0 S-0A S-0B S-0C S-2 S-2A S- S-A 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

48 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 1 Pressure angle Material SC Heat treatment Module No. of teeth Shape S- S-A S- S-A S- S-A S-70 S-70A S-70B S-70C S-72 S-72A S-72B S-72C S-7 S-7A S-7 S-7A S-0 S-0A S-0B S-0C S- S-A S- S-A S- S-A S-90 S-90A S-90B S-90C S-9 S-9A S-9 S-9A S-0 S-0A S-0B S-0C S-1 S-1A S-0 S-0A S-0B m Tooth hardness (less than 19HB) K K K K K K K K K K K K K K K K K K K K K K K K K K K K Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth S- 0 S [Caution on Product Characteristics] 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The use of T shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. x 1. x 1. x 1. x 1. x 2.3 x 2. x 1. x 2.3 x 2. x 1. x 1. x 1. x 2.3 x 2. x 1. x 1. x 1. x 1. x 2.3 x 2. x 1. x 1. x 1. x 2.3 x 2. x 2.3 x 2.3 x 2. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

49 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel T K Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) Weight (kg) 0.3 S ~0.1 M 0.3 S-A 0.3 S ~0.1 M 0.3 S-A 0.37 S ~0.1 M 0.3 S-A 0.39 S-70 M 0.3 S-70A ~0.1 M 0.37 S-70B M 0.3 S-70C 0.1 S-72 M 0.0 S-72A ~0.1 M 0.39 S-72B M 0.37 S-72C 0.3 S ~0.1 M 0.2 S-7A 0. S ~0.1 M 0.3 S-7A 0. S-0 M 0.7 S-0A ~0.1 M 0. S-0B M 0. S-0C 0.2 S ~0.1 M 0.1 S-A 0.3 S ~0.1 M 0.2 S-A 0. S ~0.1 M 0. S-A 0.9 S-90 M 0. S-90A ~0.1 M 0.7 S-90B M 0. S-90C 0. S ~0.1 M 0.3 S-9A 0. S ~0.1 M 0. S-9A 0.70 S-0 M 0.9 S-0A ~0.1 M 0. S-0B M 0.7 S-0C 0.7 S ~0.1 M 0.1 S-1A 1.01 S-0 M ~ S-0A M 0.9 S-0B ~ S ~ S-0 [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 77 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

50 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Module 1. Specifications JIS grade N (JIS B02-1: 199) Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Module No. of teeth Shape S.- S.-A S.-13 S.-13A S.-1 S.-1A S.-1B S.-1 S.-1A S.-1B S.-1 S.-1A S.-1B S.- S.-A S.-1 S.-1A S.-1B S.-19 S.-19A S.- S.-A S.-B S.-C S.-21 S.-21A S.-21B S.-22 S.-22A S.-23 S.-23A S.-2 S.-2A S.-2B S.-2C S.-2 S.-2A S.-2B S.-2C S.-2 S.-2A S.-27 S.-27A S.-2 S.-2A S.-29 S.-29A S.- S.-A S.-B S.-C S.-D [Caution on Product Characteristics] m Tooth hardness (less than 19HB) S3 S3T S3 S3T T T T T T T T T K T T T K T K K K T K K T K K K K K K K K K K Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total lengthweb thickness Web O.D. Keyway AH7 B C D E F G H I Width Depth For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The use of S3T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. S3 x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 2.3 x Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

51 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel T Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M [Caution on Secondary Operations] S3T ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) S.- S.-A S.-13 S.-13A S.-1 S.-1A S.-1B S.-1 S.-1A S.-1B S.-1 S.-1A S.-1B S.- S.-A S.-1 S.-1A S.-1B S.-19 S.-19A S.- S.-A S.-B S.-C S.-21 S.-21A S.-21B S.-22 S.-22A S.-23 S.-23A S.-2 S.-2A S.-2B S.-2C S.-2 S.-2A S.-2B S.-2C S.-2 S.-2A S.-27 S.-27A S.-2 S.-2A S.-29 S.-29A S.- S.-A S.-B S.-C S.-D 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. K 79 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

52 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications JIS grade N (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 1. Pressure angle Material SC Heat treatment Module No. of teeth Shape S.-32 S.-32A S.-32B S.-32C S.-32D S.-3 S.-3A S.-3 S.-3A S.-3 S.-3A S.-3 S.-3A S.-0 S.-0A S.-0B S.-0C [Caution on Product Characteristics] [Caution on Secondary Operations] m Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total lengthweb thickness Web O.D. Keyway Tooth hardness (less than 19HB) * The precision grade of J Series products is equivalent to the value shown in the table. K K K K K K K K K K K AH7 B C D E F G H I Width Depth 0 3 x x x x x x x For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width. as it affects precision and strength. x 2.3 x 1. x 2.3 x Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

53 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability (mm) M M M M M M M M M M M [Caution on J series] K ~ ~ ~ ~ ~ ~0.2 Weight (kg) S.-32 S.-32A S.-32B S.-32C S.-32D S.-3 S.-3A S.-3 S.-3A S.-3 S.-3A S.-3 S.-3A S.-0 S.-0A S.-0B S.-0C 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

54 No. of Bore Hub dia. Pitch dia. Outside dia. Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) S S S S S S S S S S S ~0.32 S S S S S S S S S S S S S S S ~0.3 S S S2 S S S ~ Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Module 1. Steel [Caution on Product Characteristics] [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Face width (E) 1 Hub width (F) Total length (G) 2 offset (J) * The precision grade of J Series products is equivalent to the value shown in the table. 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width. as it affects precision and strength. S2 2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

55 SS Series Steel Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size S.-2 J BORE S.- J BORE S.- J BORE S.- J BORE S.- J BORE S.-0 J BORE S.-2 J BORE S.- J BORE S.- J BORE S.- J BORE S.- J BORE S.-0 J BORE S.-2 J BORE S.- J BORE S.- J BORE S.- J BORE S.- J BORE S.-70 J BORE S.-72 J BORE S.-7 J BORE S.-7 J BORE S.-0 J BORE S.- J BORE S.- J BORE S.- J BORE S.-90 J BORE S.-9 J BORE S.-0 J BORE S.-0 J BORE [Caution on J series] K M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. S2K * The product shapes of J Series items are identified by background color. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

56 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Module 2 Steel No. of Bore Hub dia. Pitch dia. Outside dia. Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SS SS SS SS SS ~ SS SS SS SS SS SS SS SS SS SS SS SS ~0. SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS ~0.3 SS SS SS SS SS SS SS SS SS SS SS SS SS SS S2 SS ~0. SS SS SS SS [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Face width (E) Hub width (F) Total length (G) offset (J) 0 * The precision grade of J Series products is equivalent to the value shown in the table. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. S2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

57 SS Series Steel Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SS2- J BORE SS2-13 J BORE SS2-1 J BORE SS2-1 J BORE SS2-1 J BORE SS2- J BORE SS2-1 J BORE SS2-19 J BORE SS2- J BORE SS2-21 J BORE SS2-22 J BORE SS2-23 J BORE SS2-2 J BORE SS2-2 J BORE SS2-2 J BORE SS2-27 J BORE SS2-2 J BORE SS2-29 J BORE SS2- J BORE SS2-32 J BORE SS2-3 J BORE SS2-3 J BORE SS2-3 J BORE SS2-3 J BORE SS2-0 J BORE SS2-2 J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2-0 J BORE SS2-2 J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2-0 J BORE SS2-2 J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2- J BORE SS2-70 J BORE SS2-72 J BORE SS2-7 J BORE SS2-7 JBORE SS2-0 JBORE SS2- JBORE SS2- JBORE SS2- J BORE SS2-90 J BORE SS2-9 J BORE SS2-0 J BORE SS2-0 J BORE T M M M M K * The product shapes of J Series items are identified by background color. S2K [Caution on J series] 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

58 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Module 2. Steel No. of Bore Hub dia. Pitch dia. Outside dia. Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SS SS SS SS SS ~ SS SS SS SS SS SS SS SS SS SS SS SS ~0.3 SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS ~0.0 SS S 70 1 () (7) SS SS SS SS SS2.- S SS SS SS SS SS (7) SS (2) S () SS (227) ~0..7 SS (277) [Caution on Product Characteristics] [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Face width (E) 2 Hub width (F) Total length (G) 37 offset (J) 0 * The precision grade of J Series products is equivalent to the value shown in the table. 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. S2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

59 SS Series Steel FD FD Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: FD FD S * FD has die-forged finish. To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SS2.- J BORE SS2.-13 J BORE SS2.-1 J BORE SS2.-1 J BORE SS2.-1 J BORE SS2.- J BORE SS2.-1 J BORE SS2.-19 J BORE SS2.- J BORE SS2.-21 J BORE SS2.-22 J BORE SS2.-23 J BORE SS2.-2 J BORE SS2.-2 J BORE SS2.-2 J BORE SS2.-27 J BORE SS2.-2 J BORE SS2.-29 J BORE SS2.- J BORE SS2.-32 J BORE SS2.-3 J BORE SS2.-3 J BORE SS2.-3 J BORE SS2.-3 J BORE SS2.-0 J BORE SS2.-2 J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.-0 J BORE SS2.-2 J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.-0 J BORE SS2.-2 J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.- J BORE SS2.-70 J BORE SS2.-72 J BORE SS2.-7 J BORE SS2.-7 J BORE SS2.-0 J BORE SS2.-90 J BORE SS2.-0 J BORE SS2.-0 J BORE T M M M M K * The product shapes of J Series items are identified by background color. S2K SK * FD has die-forged finish. [Caution on J series] 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

60 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Module 3 Steel No. of teeth Shape Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SC Tooth hardness (less than 19HB) Face width (E) Hub width (F) 1 Total length (G) offset (J) 07. * The precision grade of J Series products is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SS SS SS SS SS ~ SS SS SS SS SS SS SS SS SS SS SS SS ~0.3 SS SS SS SS SS SS SS SS SS SS SS SS SS SS3-0 0 S 1 () (3) SS SS SS3- S SS SS ~0. SS3-0 0 S 1 () (13) SS SS SS SS SS3- S SS SS SS SS SS3-0 0 S 90 2 () (213) SS S SS (273) ~0.2.7 S () SS (333) [Caution on Product Characteristics] [Caution on Secondary Operations] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. S2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

61 SS Series Steel FD FD Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: FD FD S * FD has die-forged finish. To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SS3- J BORE SS3-13 J BORE SS3-1 J BORE SS3-1 J BORE SS3-1 J BORE SS3- J BORE SS3-1 J BORE SS3-19 J BORE SS3- J BORE SS3-21 J BORE SS3-22 J BORE SS3-23 J BORE SS3-2 J BORE SS3-2 J BORE SS3-2 J BORE SS3-27 J BORE SS3-2 J BORE SS3-29 J BORE SS3- J BORE SS3-32 J BORE SS3-3 J BORE SS3-3 J BORE SS3-3 J BORE SS3-3 J BORE SS3-0 J BORE SS3-2 J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3-0 J BORE SS3-2 J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3-0 J BORE SS3-2 J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3- J BORE SS3-70 J BORE SS3-72 J BORE SS3-7 J BORE SS3-7 J BORE SS3-0 J BORE SS3-90 J BORE SS3-0 J BORE SS3-0 J BORE T2 K S2K SK * FD has die-forged finish. * The product shapes of J Series items are identified by background color M M M M M [Caution on J series] 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. Areas of products which have been re-worked will not be black oxide coated. For products having a tapped hole, a set screw is included. 7 The use of T2 shaped set screws for fastening gears to a shaft, is a method only applicable to light load usage. For secure fastening, please use dowel pins, in combination. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

62 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Module Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS-29 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS-2 SS- SS- SS- SS- SS-0 * SS-2 SS- SS- SS- SS- SS-70 SS-0 Module No. of teeth Shape [Caution on Product Characteristics] m S2 S S2 S2 S2 S2 S2 S S2 S2 S2 S2 S2 S S Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G (H) ( I ) () () The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 1 () () (1) () (2) (2) As of March 1, the products which have a mark on the catalog number will be modified to an S2-shape. For details, please see our web site. 90 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

63 Steel Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS FD FD Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] S * FD has die-forged finish. (mm) 0.1~ ~ ~ ~ ~ ~ ~ ~ ~0.3 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.2~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.2 Weight (kg) S SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS-29 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS-2 SS- SS- SS- SS- SS-0 SS-2 SS- SS- SS- SS- SS-70 SS-0 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 91 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

64 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Module Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS-29 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS-2 SS- SS- SS- SS- SS-0 [Caution on Product Characteristics] m S2 S2 S2 S2 S2 S2 S S2 S2 S2 S2 S2 S Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G (H) ( I ) The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh (1) () (2) () * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 92 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

65 Steel Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS FD FD Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] S * FD has die-forged finish. (mm) 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.2~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. Weight (kg) S SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS-29 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS-2 SS- SS- SS- SS- SS-0 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. 93 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

66 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Module Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS- S0-1 S0- S0-2 Module No. of teeth Shape [Caution on Product Characteristics] m m m Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness Web O.D. AH7 B C D E F G H I The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

67 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SS Steel Allowable torque (N m) Allowable torque (kgf m) Backlash Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] (mm) 0.22~ ~ ~ ~ ~ ~ ~ ~ ~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~0. 0.2~ ~ ~ ~ ~ ~ ~ ~ ~ ~0. 0.3~0. 0.3~0. 0.3~0.7 Weight (kg) SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS- SS-32 SS-3 SS-3 SS-3 SS-3 SS-0 SS-2 SS- SS- SS- SS- SS-0 SS- SS-13 SS-1 SS-1 SS-1 SS- SS-1 SS-19 SS- SS-21 SS-22 SS-23 SS-2 SS-2 SS-2 SS-27 SS-2 SS- S0-1 S0- S0-2 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

68 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSA Steel Hubless Precision grade Gear teeth Specifications JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Standard full depth Module 1 1. Pressure angle Material Heat treatment Tooth hardness SC (less than 19HB) * The precision grade of J Series products is equivalent to the value shown in the table. S AH7 B C D E (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSA SSA SSA SSA SSA SSA SSA SSA SSA SSA ~ SSA SSA SSA SSA SSA SSA SSA SSA S SSA SSA ~ SSA SSA SSA SSA ~ SSA SSA SSA SSA SSA SSA SSA SSA ~0.32 SSA SSA SSA SSA SSA S ~ [Caution on Product Characteristics] [Caution on Secondary Operations] No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Face width Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

69 Series SSA Steel Hubless Newly added Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Bore H7 Keyway Js9 size S To order J Series products, please specify; + J + BORE SSA1- J BORE SSA1-2 J BORE SSA1-2 J BORE SSA1-2 J BORE SSA1- J BORE SSA1-32 J BORE SSA1-3 J BORE SSA1-3 J BORE SSA1-0 J BORE SSA1- J BORE SSA1- J BORE SSA1-0 J BORE SSA1- J BORE SSA1- J BORE SSA1-0 J BORE SSA1-70 J BORE SSA1-0 J BORE SSA1-0 J BORE SSA1-0 J BORE SSA1.- J BORE SSA1.-2 J BORE SSA1.-2 J BORE SSA1.-2 J BORE SSA1.- J BORE SSA1.-32 J BORE SSA1.-3 J BORE SSA1.-3 J BORE SSA1.-0 J BORE SSA1.- J BORE SSA1.- J BORE SSA1.-0 J BORE SSA1.- J BORE SSA1.- J BORE SSA1.-0 J BORE SSA1.-70 J BORE SSA1.-0 J BORE SSA1.-0 J BORE [Caution on J series] SK SK * The product shapes of J Series items are identified by background color ー 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Areas of products which have been re-worked will not be black oxide coated. Drawing can be outputted from the Web Catalog as DXF files. 97 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

70 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSA Steel Hubless Precision grade Gear teeth Specifications JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Standard full depth Module 2 2. Pressure angle Material Heat treatment Tooth hardness SC (less than 19HB) * The precision grade of J Series products is equivalent to the value shown in the table. S [Caution on Secondary Operations] No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Face width Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D E (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSA ~ SSA SSA SSA SSA ~0. SSA SSA SSA S SSA SSA SSA SSA SSA ~0.3 SSA SSA SSA SSA S SSA ~ SSA ~ SSA SSA SSA SSA ~0.3 SSA SSA S SSA SSA SSA SSA SSA SSA ~0.0 SSA SSA SSA S SSA [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

71 Series SSA Steel Hubless Newly added Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Bore H7 Keyway Js9 size SSA2- J BORE SSA2-2 J BORE SSA2-2 J BORE SSA2-2 J BORE SSA2- J BORE SSA2-32 J BORE SSA2-3 J BORE SSA2-3 J BORE SSA2-0 J BORE SSA2- J BORE SSA2- J BORE SSA2-0 J BORE SSA2- J BORE SSA2- J BORE SSA2-0 J BORE SSA2-70 J BORE SSA2-0 J BORE SSA2-0 J BORE SSA2.- J BORE SSA2.-2 J BORE SSA2.-2 J BORE SSA2.-2 J BORE SSA2.- J BORE SSA2.-32 J BORE SSA2.-3 J BORE SSA2.-3 J BORE SSA2.-0 J BORE SSA2.- J BORE SSA2.- J BORE SSA2.-0 J BORE SSA2.- J BORE SSA2.- J BORE SSA2.-0 J BORE SSA2.-70 J BORE SSA2.-0 J BORE S To order J Series products, please specify; + J + BORE [Caution on J series] SK SK * The product shapes of J Series items are identified by background color As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Areas of products which have been re-worked will not be black oxide coated. Drawing can be outputted from the Web Catalog as DXF files. 99 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

72 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSA Steel Hubless Precision grade Gear teeth Specifications JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Standard full depth Module 3 Pressure angle Material Heat treatment Tooth hardness SC (less than 19HB) * The precision grade of J Series products is equivalent to the value shown in the table. S No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Face width Web thickness Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D E (H) (I) Bending strength Surface durability Bending strength Surface durability (mm) (kg) SSA ~ SSA SSA SSA SSA ~0.3 SSA S SSA SSA SSA SSA SSA SSA SSA ~0. SSA S 1 SSA SSA SSA SSA ~ SSA SSA SSA S SSA ~0. SSA SSA SSA SSA SSA SSA SSA-0 0 S ~0.2 SSA SSA SSA SSA ~ SSA SSA SSA S SSA ~0.0 SSA SSA SSA SSA SSA S 3 SSA ~ SSA [Caution on Product Characteristics] [Caution on Secondary Operations] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 0 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

73 Series Steel Hubless Newly added SSA Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Bore H7 Keyway Js9 size SSA3- J BORE SSA3-2 J BORE SSA3-2 J BORE SSA3-2 J BORE SSA3- J BORE SSA3-32 J BORE SSA3-3 J BORE SSA3-3 J BORE SSA3-0 J BORE SSA3- J BORE SSA3- J BORE SSA3-0 J BORE SSA3- J BORE SSA3- J BORE SSA3-0 J BORE SSA3-70 J BORE SSA3-0 J BORE S To order J Series products, please specify; + J + BORE [Caution on J series] SK As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Areas of products which have been re-worked will not be black oxide coated. SK * The product shapes of J Series items are identified by background color. Drawing can be outputted from the Web Catalog as DXF files. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

74 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSY Steel Thin Face Precision grade Gear teeth Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth Module 0. 1 Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape SSY0.- SSY0.-A SSY0.-2 SSY0.-2A SSY0.- SSY0.-A SSY0.-0 SSY0.-0A SSY0.-0 SSY0.-0A SSY1- SSY1-A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1- SSY1-A SSY1-B SSY1-2 SSY1-2A SSY1-2B SSY1-2 SSY1-2A SSY1-2 SSY1-2A SSY1- SSY1-A SSY1-B SSY1-32 SSY1-32A SSY1-3 SSY1-3A SSY1-3B SSY1-3 SSY1-3A SSY1-3B SSY1-0 SSY1-0A SSY1-0B SSY1- SSY1-A SSY1- SSY1-A [Caution on Product Characteristics] m0. m * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. T T T T T T T T T T T T T T T T T T T T K T K T K T T Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth x 1. x 1. x 1. 1 Keyways are made according to JIS B11 standards and Js9 tolerances. For products with a tapped hole, a set screw is included as an accessory. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 2 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

75 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSY Steel Thin Face Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability M M M M M M M M M M M M M M M M M M M M M M M M M M M [Caution on Secondary Operations] T K (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.1 Weight (kg) SSY0.- SSY0.-A SSY0.-2 SSY0.-2A SSY0.- SSY0.-A SSY0.-0 SSY0.-0A SSY0.-0 SSY0.-0A SSY1- SSY1-A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1-1 SSY1-1A SSY1- SSY1-A SSY1-B SSY1-2 SSY1-2A SSY1-2B SSY1-2 SSY1-2A SSY1-2 SSY1-2A SSY1- SSY1-A SSY1-B SSY1-32 SSY1-32A SSY1-3 SSY1-3A SSY1-3B SSY1-3 SSY1-3A SSY1-3B SSY1-0 SSY1-0A SSY1-0B SSY1- SSY1-A SSY1- SSY1-A 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width; deflection might occur if heat treated. 3 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. Drawing can be outputted from the Web Catalog as DXF files. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

76 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSY Steel Thin Face Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 1 Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape SSY1-0 SSY1-0A SSY1- SSY1-A SSY1- SSY1-A SSY1-0 SSY1-0A SSY1-0B SSY1- SSY1-A SSY1- SSY1-A SSY1-70 SSY1-70A SSY1-72 SSY1-72A SSY1-7 SSY1-7A SSY1-0 SSY1-0A SSY1- SSY1-A SSY1-90 SSY1-90A SSY1-9 SSY1-9A SSY1-9 SSY1-9A SSY1-0 SSY1-0A SSY1-1 SSY1-1A SSY1-0 SSY1-0A [Caution on Product Characteristics] m T K K K K K K K K K K K K K K K K K Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. x 1. 1 Keyways are made according to JIS B11 standards and Js9 tolerances. For products with a tapped hole, a set screw is included as an accessory. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

77 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSY Steel Thin Face Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Surface durability Bending strength Surface durability M M M M M M M M M M M M M M M M M M [Caution on Secondary Operations] T K (mm) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~0.1 Weight (kg) SSY1-0 SSY1-0A SSY1- SSY1-A SSY1- SSY1-A SSY1-0 SSY1-0A SSY1-0B SSY1- SSY1-A SSY1- SSY1-A SSY1-70 SSY1-70A SSY1-72 SSY1-72A SSY1-7 SSY1-7A SSY1-0 SSY1-0A SSY1- SSY1-A SSY1-90 SSY1-90A SSY1-9 SSY1-9A SSY1-9 SSY1-9A SSY1-0 SSY1-0A SSY1-1 SSY1-1A SSY1-0 SSY1-0A 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width; deflection might occur if heat treated. 3 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. Drawing can be outputted from the Web Catalog as DXF files. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

78 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSAY Steel Hubless Thin Face Specifications Precision grade JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 1 Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape SSAY1- SSAY1-2 SSAY1-2 SSAY1-2 SSAY1- SSAY1-32 SSAY1-3 SSAY1-3 SSAY1-0 SSAY1- SSAY1- SSAY1-0 SSAY1- SSAY1- SSAY1-0 SSAY1-70 SSAY1-0 SSAY1-0 m S S S S S S S S S S S S S S S S S S Bore Pitch dia. Outside dia. Face width Allowable torque(n m) Allowable torque(kgf m) AH7 C D E Bending strength Surface durability Bending strength Surface durability [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. S * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

79 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Steel Hubless Thin Face SSAY Backlash (mm) 0.0~ ~ ~ ~0.1 [Caution on Secondary Operations] Weight (kg) SSAY1- SSAY1-2 SSAY1-2 SSAY1-2 SSAY1- SSAY1-32 SSAY1-3 SSAY1-3 SSAY1-0 SSAY1- SSAY1- SSAY1-0 SSAY1- SSAY1- SSAY1-0 SSAY1-70 SSAY1-0 SSAY1-0 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width; deflection might occur if heat treated. 3 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. Drawing can be outputted from the Web Catalog as DXF files. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

80 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSAY/K with Built-In Clamps Module 0. Specifications JIS grade N (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Bore Pitch dia. Outside dia. Face width Set Allowable torque (N m) Module No. of teeth Shape AH7 C D E Size J Bending strength Surface durability SSAY0.-2/K 2 S M SSAY0.-/K.3 S 2 2. M /K 7.3 SSAY0.-32/K /K SSAY0.-3/K /K SSAY0.-3/K /K SSAY0.-0/K /K /K SSAY0.-/K /K /K SSAY0.-/K /K /K SSAY0.-0/K /K /K SSAY0.-/K /K /K SSAY0.-/K /K /K SSAY0.-0/K /K /K m0. 32 S 3 S 3 S 0 S S S 0 S S S 0 S M M 2.. M M M 3. 0 M 0 1. M. M.. M 9. M Tooth hardness (less than 19HB) [Caution on Product Characteristics] * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. 1 For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The reference slipping torques shown in the table are experimentally obtained by attaching the gears to shafts with g tolerance and 0.a surface finish. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft. S Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

81 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: with Built-In Clamps SSAY/K Allowable torque (kgf m) Reference slipping torque (N m) Backlash Bending strength Surface durability fastening torque Ref. slipping torque (mm) Weight (kg) ~ SSAY0.-2/K SSAY0.-/K ~ /K [Caution on Secondary Operations] ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ 0. 0 ~ SSAY0.-32/K /K SSAY0.-3/K /K SSAY0.-3/K /K SSAY0.-0/K /K /K SSAY0.-/K /K /K SSAY0.-/K /K /K SSAY0.-0/K /K /K SSAY0.-/K /K /K SSAY0.-/K /K /K SSAY0.-0/K /K /K 1 As these are finished products, avoid performing secondary operations on the bore, with the exception of adding a keyway. 2 Perform secondary operations carefully as to not to distort the clamping groove. How does the K-Clamp work? The K-Clamp uses a crescent shaped piece, appropriate for the size of the shaft as the pressure wedge to secure the gear on the shaft. Shaft Hexagonal Socket Head Crescent Shaped Pressure Wedge Application Hints 1. The slipping torque is affected by the fitting and clamping surface conditions. Remove as much lubricant as possible, and use the same size shaft as the bore, within h7 tolerances. 2. K-Clamp gears are suitable for relatively small gears in light loads with the bore size ranging between φ and φ mm. The gear will slip on the shaft when the actual load exceeds the slipping torque. The use of a key in addition to the K-Clamp is recommended for heavier loads or large bores sizes. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

82 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSAY/K with Built-In Clamps Module 1 Specifications JIS grade N (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SC Heat treatment Tooth hardness (less than 19HB) Module No. of teeth Shape SSAY1-2/K SSAY1-2/K /K SSAY1-2/K /K /K SSAY1-/K /K /K SSAY1-32/K /K /K SSAY1-3/K /K /K SSAY1-3/K /K /K SSAY1-0/K /K /K SSAY1-/K /K /K SSAY1-/K /K /K SSAY1-0/K /K /K SSAY1-/K /K /K SSAY1-/K /K /K SSAY1-0/K /K /K [Caution on Product Characteristics] m1 * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Pitch dia. Outside dia. Face width Set Allowable torque (N m) AH7 C D E Size J Bending strength Surface durability 2 S 2 2 M S 2 27 M S S 32 S 3 S 3 S 0 S S S 0 S S S 0 S 2 M 32 M 32 3 M 3 37 M 3 3 M 0 2 M 7 M 0 M M M M M M M M M M M M M S For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. The reference slipping torques shown in the table are experimentally obtained by attaching the gears to shafts with g tolerance and 0.a surface finish. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

83 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: with Built-In Clamps SSAY/K Allowable torque (kgf m) Reference slipping torque (N m) Backlash Bending strength Surface durability fastening torque Ref. slipping torque (mm) Weight (kg) ~ SSAY1-2/K SSAY1-2/K ~ /K [Caution on Secondary Operations] ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ SSAY1-2/K /K /K SSAY1-/K /K /K SSAY1-32/K /K /K SSAY1-3/K /K /K SSAY1-3/K /K /K SSAY1-0/K /K /K SSAY1-/K /K /K SSAY1-/K /K /K SSAY1-0/K /K /K SSAY1-/K /K /K SSAY1-/K /K /K SSAY1-0/K /K /K 1 As these are finished products, avoid performing secondary operations on the bore, with the exception of adding a keyway. 2 Perform secondary operations carefully as to not to distort the clamping groove. How does the K-Clamp work? The K-Clamp uses a crescent shaped piece, appropriate for the size of the shaft as the pressure wedge to secure the gear on the shaft. Shaft Hexagonal Socket Head Crescent Shaped Pressure Wedge Application Hints 1. The slipping torque is affected by the fitting and clamping surface conditions. Remove as much lubricant as possible, and use the same size shaft as the bore, within h7 tolerances. 2. K-Clamp gears are suitable for relatively small gears in light loads with the bore size ranging between φ and φ mm. The gear will slip on the shaft when the actual load exceeds the slipping torque. The use of a key in addition to the K-Clamp is recommended for heavier loads or large bores sizes. 111 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

84 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: LS Sintered Metal Module Specifications Precision grade Gear teeth JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth Pressure angle Material SMF00(Equivalent to SC) Heat treatment LS0.- LS0.-1 LS0.- LS0.- LS0.-0 LS0.-0 LS0.-70 LS0.-0 LS0.- LS0.-1 LS0.- LS0.- Module No. of teeth Shape m0. m S3 S3 S3 S3 Bore 1 Bore 2 Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Web thickness A A'±0.1 B C D E F G H LS [Caution on Product Characteristics] Tooth hardness (70 ~ 9HRB) * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. 1 Although the sintering process allows for the inclusion of oil to maintain lubricity, these gears have not been oil impregnated. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. Since the bore is finished with a minus tolerance, you can use a shaft with a force fit S3 Characteristics of LS Sintered Steel gears 1. Cost is minimized due to the elimination of machining and reduction in waste material. 2. Reliable, high precision sintered products (JIS N Class) maintain precision. 3. Being porous by oil-impregnated sintering, lubrication is maintained. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

85 Sintered Metal Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: LS Web O.D. Allowable torque (N m) Allowable torque (kgf m) Backlash I Bending strength Surface durability Bending strength Surface durability (mm) 0.0~ ~ ~0.1 0.~0. 0.~0.2 0.~0.2 0.~0.2 0.~ ~ ~ ~0.1 0.~0. Weight (g) LS0.- LS0.-1 LS0.- LS0.- LS0.-0 LS0.-0 LS0.-70 LS0.-0 LS0.- LS0.-1 LS0.- LS ~ LS0.-0 [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 3The rust prevention process involves treating the gears with steam (in effect, creating surface oxidation). A black oxide treatment cannot be done on these gears. Drawing can be outputted from the Web Catalog as DXF files. 113 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

86 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS Stainless Steel Module 1 Precision grade Gear teeth Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth Pressure angle Material SUS3 Heat treatment No. of Bore Hub dia. Pitch dia. Outside dia. Hub width Total length Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D F G Bending strength Surface durability Bending strength Surface durability (mm) (kg) SU SU-1 1 S SU SU SU SU SU SU SU SU SU SU SU SU ~ SU SU SU SU SU SU SU SU SU SU SU SU SU [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. Tooth hardness (less than HB) Face width (E) offset (J) * The precision grade of J Series products is equivalent to the value shown in the table. S3 [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

87 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS Series Stainless Steel To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SU-1 J BORE SU-1 J BORE SU-1 J BORE SU- J BORE SU-22 J BORE SU-2 J BORE SU-2 J BORE SU-2 J BORE SU- J BORE SU-32 J BORE SU-3 J BORE SU-3 J BORE SU-0 J BORE SU-2 J BORE SU- J BORE SU- J BORE SU-0 J BORE SU- J BORE SU- J BORE SU-0 J BORE SU- J BORE SU-70 J BORE SU-7 J BORE SU-0 J BORE SU-90 J BORE SU-0 J BORE SU-0 J BORE [Caution on J series] S3T * The product shapes of J Series items are identified by background color ー M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. The use of S3T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. T K Drawing can be outputted from the Web Catalog as DXF files. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

88 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS SUSA Module 1. 2 Stainless Steel Precision grade Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SUS3 Heat treatment Tooth hardness (less than HB) Module m 1. m 2 Face width (E) 1 offset (J) 7 S * The precision grade of J Series products is equivalent to the value shown in the table. No. of Bore Hub dia. Pitch dia. Outside dia. Hub width Total length Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D F G Bending strength Surface durability Bending strength Surface durability (mm) (kg) SU SU ~0.22 SU SU SU SU SU SU SU ~ SU SU SU SU SU SU SU SU SU SU ~ SU SU SU SU SU SU ~0.3 SU SUS SUS ~0.2 SUS SUS SUS SUS SUS SUS SUS ~0. 0. SUSA SUSA SUSA SUSA SUSA SUSA SUSA2- S SUSA SUSA ~ SUSA SUSA SUSA SUSA [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

89 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS SUSA Series Stainless Steel To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SU.-1 J BORE SU.-1 J BORE SU.-1 J BORE SU.- J BORE SU.-22 J BORE SU.-2 J BORE SU.-2 J BORE SU.-2 J BORE SU.- J BORE SU.-32 J BORE SU.-3 J BORE SU.-3 J BORE SU.-0 J BORE SU.-2 J BORE SU.- J BORE SU.- J BORE SU.-0 J BORE SU.- J BORE SU.- J BORE SU.-0 J BORE SU.- J BORE SU.-70 J BORE SU.-7 J BORE SU.-0 J BORE SU.-90 J BORE SU.-0J BORE SUS2-1 J BORE SUS2-1 J BORE SUS2-1 J BORE SUS2- J BORE SUS2-22 J BORE SUS2-2 J BORE SUS2-2 J BORE SUS2-2 J BORE SUS2- J BORE SUSA2-32 J BORE SUSA2-3 J BORE SUSA2-3 J BORE SUSA2-0 J BORE SUSA2-2 J BORE SUSA2- J BORE SUSA2- J BORE SUSA2-0 J BORE SUSA2- J BORE SUSA2- J BORE SUSA2-0 J BORE SUSA2- J BORE SUSA2-70 J BORE [Caution on J series] T 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. The use of T and T shaped set screws for fastening gears to a shaft are only applicable to light load usage. For secure fastening, please use dowel pins, in combination. K * The product shapes of J Series items are identified by background color ー M M M M M M ー SK Drawing can be outputted from the Web Catalog as DXF files. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

90 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS SUSA Stainless Steel Module 2. 3 Precision grade Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material SUS3 Heat treatment Tooth hardness (less than HB) Module m 2. m 3 m Face width (E) 2 0 offset (J) 9. S * The precision grade of J Series products is equivalent to the value shown in the table. No. of Bore Hub dia. Pitch dia. Outside dia. Hub width Total length Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Shape teeth AH7 B C D F G Bending strength Surface durability Bending strength Surface durability (mm) (kg) SUS SUS ~0.2 SUS SUS SUS SUS SUS SUS SUS ~ SUSA SUSA SUSA SUSA SUSA SUSA S SUSA SUSA ~0.0 SUSA SUSA SUSA SUSA SUS SUS ~0.32 SUS SUS SUS SUS SUS SUS SUS ~ SUSA SUSA SUSA SUSA SUSA SUSA3- S SUSA SUSA ~0..02 SUSA SUSA SUSA SUS ~0.3 SUS SUS SUS ~0..90 SUSA-0 0 S SUSA ~ [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

91 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUS SUSA Series Stainless Steel To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size SUS2.-1 J BORE SUS2.-1 J BORE SUS2.-1 J BORE SUS2.- J BORE SUS2.-22 J BORE SUS2.-2 J BORE SUS2.-2 J BORE SUS2.-2 J BORE SUS2.- J BORE SUSA2.-32 J BORE SUSA2.-3 J BORE SUSA2.-3 J BORE SUSA2.-0 J BORE SUSA2.-2 J BORE SUSA2.- J BORE SUSA2.- J BORE SUSA2.-0 J BORE SUSA2.- J BORE SUSA2.- J BORE SUSA2.-0 J BORE SUSA2.- J BORE SUS3-1 J BORE SUS3-1 J BORE SUS3-1 J BORE SUS3- J BORE SUS3-22 J BORE SUS3-2 J BORE SUS3-2 J BORE SUS3-2 J BORE SUS3- J BORE SUSA3-32 J BORE SUSA3-3 J BORE SUSA3-3 J BORE SUSA3-0 J BORE SUSA3-2 J BORE SUSA3- J BORE SUSA3- J BORE SUSA3-0 J BORE SUSA3- J BORE SUSA3- J BORE SUSA3-0 J BORE SUS-1 J BORE SUS- J BORE SUS-2 J BORE SUS- J BORE SUSA-0 J BORE SUSA-0 J BORE [Caution on J series] K * The product shapes of J Series items are identified by background color M M M M M ー 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. SK Drawing can be outputted from the Web Catalog as DXF files. 119 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

92 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUSL Stainless Steel Fairloc Hub Module Specifications Precision grade Gear teeth Pressure angle Material JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SUS3 Heat treatment Module No. of teeth Shape SUSL0.-1 SUSL0.-1 SUSL0.- SUSL0.-2 SUSL0.-2 SUSL0.-2 SUSL0.- SUSL0.-32 SUSL0.-3 SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.-70 SUSL0.-72 SUSL0.-7 SUSL0.-0 SUSL0.-90 SUSL0.-9 SUSL0.-0 SUSL0.-1 [Caution on Product Characteristics] m Tooth hardness less than HB 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 Fairloc Hub are attached to the shaft by a friction coupling. Recommended shaft tolerances are g, h and h7. Torque slippage should be considered when making a selection. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft The following products are gear press-fitted into a hub : SUSL0. with 9 teeth or more, SUSL0. with 0 teeth or more. Also, some of the hubs might slightly differ in shape as shown in the diagram. Fastening torque vs. Slipping torque The slipping torque which is dependent on the fastening torque can sometimes be less than the gear strength. Please use caution in selecting. The chart on the right shows the relationship between the slipping torque and the fastening torque. * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. S3 S3 S3 S3 S3 S3 S3 S3 S3 Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Cap screw dimensions AH7 B C D E F G M J K Slip torque (N m) Fastening torque vs. Slipping torque Bore (mm) M2. M2. M2. M2. M2. M2. M2. SUSL M.9 SUSL0.-1 SUSL0.-1 SUSL0.-1 SUSL0.-1 SUSL S3 S3 S3 S M2. M2. M2. M2. M SUSL0.-22 SUSL0.-2 SUSL0.-2 SUSL0.-2 SUSL0.- m M M M M M M2. M2. M2. M2. M S Fastening torque of clamping screw (N m) Data supplied by Designatronics Inc. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

93 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Stainless Steel Fairloc Hub SUSL Allowable torque (N m) Allowable torque (kgf m) Ref. Slipping torque / Recommended Bending strength Surface durability Bending strength Surface durability fastening torque (N m) 1. / / / / / / / / / / / / / / / / / / / / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0 Backlash (mm) 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. Weight (kg) SUSL0.-1 SUSL0.-1 SUSL0.- SUSL0.-2 SUSL0.-2 SUSL0.-2 SUSL0.- SUSL0.-32 SUSL0.-3 SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.-70 SUSL0.-72 SUSL SUSL SUSL SUSL SUSL SUSL / 0.0 0~0. 0. SUSL [Caution on Secondary Operations] / / / / / / / / / / 0.0 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~ SUSL0.-1 SUSL0.-1 SUSL0.-1 SUSL0.-1 SUSL0.- SUSL0.-22 SUSL0.-2 SUSL0.-2 SUSL0.-2 SUSL0.- 1 Perform secondary operations carefully as to not distort the groove for clamping. Drawing can be outputted from the Web Catalog as DXF files. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

94 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUSL Stainless Steel Fairloc Hub Module 0. 1 Specifications Precision grade Gear teeth Pressure angle Material JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth SUS3 Heat treatment Module No. of teeth Shape SUSL0.-32 SUSL0.-3 SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.-72 SUSL0.-0 SUSL0.-90 SUSL0.-0 SUSL1-1 SUSL1-1 SUSL1-1 SUSL1-1 SUSL1- SUSL1-2 SUSL1-2 SUSL1-2 SUSL1- SUSL1-32 SUSL1-3 SUSL1-3 SUSL1-0 SUSL1- SUSL1- SUSL1-0 SUSL1- SUSL1-0 SUSL1- SUSL1-70 SUSL1-72 SUSL1-0 SUSL1-90 SUSL1-0 [Caution on Product Characteristics] m0. m S3 S3 S3 S3 Tooth hardness Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Cap screw dimensions AH7 B C D E F G M J K M The slipping torque which is dependent on the fastening torque can sometimes be less than the gear strength. Please use caution in selecting. The chart on the right shows the relationship between the slipping torque and the fastening torque. (less than HB) * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 Fairloc Hub are attached to the shaft by a friction coupling. Recommended shaft tolerances are g, h and h7. Torque slippage should be considered when making a selection. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft The following products are gear press-fitted into a hub : SUSL0. with 0 teeth or more, SUSL1 with teeth or more. Also, some of the hubs might slightly differ in shape as shown in the diagram. Fastening torque vs. Slipping torque Fastening torque vs. Slipping torque Slip torque (N m) Bore (mm) M M M M M M M M M M M M S Fastening torque of clamping screw (N m) Data supplied by Designatronics Inc. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

95 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Stainless Steel Fairloc Hub SUSL Allowable torque (N m) Allowable torque (kgf m) Ref. Slipping torque / Recommended Bending strength Surface durability Bending strength Surface durability [Caution on Secondary Operations] fastening torque (N m) 1.0 / / / / / / / / / / / 0.0. / 0.0. / 0.0. / / / / / / / / / / / / / / / / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0. / 0.0 Backlash (mm) 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. Weight (kg) SUSL0.-32 SUSL0.-3 SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.- SUSL0.-0 SUSL0.- SUSL0.-72 SUSL0.-0 SUSL0.-90 SUSL0.-0 SUSL1-1 SUSL1-1 SUSL1-1 SUSL1-1 SUSL1- SUSL1-2 SUSL1-2 SUSL1-2 SUSL1- SUSL1-32 SUSL1-3 SUSL1-3 SUSL1-0 SUSL1- SUSL1- SUSL1-0 SUSL1- SUSL1-0 SUSL1- SUSL1-70 SUSL1-72 SUSL1-0 SUSL1-90 SUSL1-0 1 Perform secondary operations carefully as to not distort the groove for clamping. Drawing can be outputted from the Web Catalog as DXF files. 3 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

96 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DSL Acetal Fairloc Hub Module Precision grade Specifications JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material Acetal with SUS3 core Heat treatment Module No. of teeth Shape DSL0.-2 DSL0.- DSL0.-32 DSL0.-3 DSL0.-0 DSL0.- DSL0.- DSL0.-0 DSL0.- DSL0.-0 DSL0.- DSL0.-70 DSL0.-72 DSL0.-7 DSL0.-0 DSL0.-90 DSL0.-9 DSL0.-0 DSL0.-0 DSL0.- DSL0.-2 DSL0.-2 DSL0.-2 DSL0.- DSL0.-32 DSL0.-3 DSL0.-0 DSL0.- DSL0.- DSL0.-0 DSL0.- DSL0.-0 DSL0.-72 DSL0.-0 DSL0.-90 DSL0.-0 [Caution on Product Characteristics] m0. m Tooth hardness (1 ~ 0HRR) * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Cap screw dimensions AH7 B C D E F G M J K M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. M2. 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 Holding strength between the teeth (acetal) and the core (SUS3) is 2.9N m for all DSL products. Please consider holding strength when selecting products. Fairloc Hub are attached to the shaft by a friction coupling. Recommended shaft tolerances are g, h and h7. Torque slippage should be considered when making a selection. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft. Fastening torque vs. Slipping torque Fastening torque vs. Slipping torque The slipping torque which is dependent on the fastening torque can sometimes be less than the gear strength. Please use caution in selecting. The chart on the right shows the relationship between the slipping torque and the fastening torque. Slip torque (N m) Bore (mm) Fastening torque of clamping screw (N m) Data supplied by Designatronics Inc. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

97 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DSL Acetal Fairloc Hub Allowable torque (N m) Allowable torque (kgf m) Ref. Slipping torque / Recommended Bending strength [Caution on Secondary Operations] Bending strength fastening torque (N m) 1.0 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / 0.0 Backlash (mm) 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. Weight (kg) DSL0.-2 DSL0.- DSL0.-32 DSL0.-3 DSL0.-0 DSL0.- DSL0.- DSL0.-0 DSL0.- DSL0.-0 DSL0.- DSL0.-70 DSL0.-72 DSL0.-7 DSL0.-0 DSL0.-90 DSL0.-9 DSL0.-0 DSL0.-0 DSL0.- DSL0.-2 DSL0.-2 DSL0.-2 DSL0.- DSL0.-32 DSL0.-3 DSL0.-0 DSL0.- DSL0.- DSL0.-0 DSL0.- DSL0.-0 DSL0.-72 DSL0.-0 DSL0.-90 DSL Perform secondary operations carefully as to not distort the groove for clamping. Drawing can be outputted from the Web Catalog as DXF files. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

98 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DSL Acetal Fairloc Hub Module 1 Specifications JIS grade N (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material Acetal with SUS3 core Heat treatment Module No. of teeth Shape DSL1-1 DSL1-1 DSL1-1 DSL1- DSL1-2 DSL1-2 DSL1-2 DSL1- DSL1-32 DSL1-3 DSL1-3 DSL1-0 DSL1- DSL1- DSL1-0 DSL1- DSL1-0 DSL1- DSL1-70 DSL1-72 DSL1-0 DSL1-90 DSL1-0 [Caution on Product Characteristics] m * The gear grade listed is the value before clamping. The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. Tooth hardness Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Cap screw dimensions AH7 B C D E F G M J K (1 ~ 0HRR) M2. M2. M2. M2. M2. M2. M2. 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 Holding strength between the teeth (acetal) and the core (SUS3) is 2.9N m for all DSL products. Please consider holding strength when selecting products. Fairloc Hub are attached to the shaft by a friction coupling. Recommended shaft tolerances are g, h and h7. Torque slippage should be considered when making a selection. Do not tighten the clamping screw without inserting a shaft, or the bore will be permanently deformed and will not accept a shaft Fastening torque vs. Slipping torque The slipping torque which is dependent on the fastening torque can sometimes be less than the gear strength. Please use caution in selecting. The chart on the right shows the relationship between the slipping torque and the fastening torque. Slip torque (N m) Fastening torque vs. Slipping torque Bore (mm) Fastening torque of clamping screw (N m) Data supplied by Designatronics Inc. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

99 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DSL Acetal Fairloc Hub Allowable torque (N m) Allowable torque (kgf m) Ref. Slipping torque / Recommended Bending strength [Caution on Secondary Operations] Bending strength fastening torque (N m) 1.0 / / / / / / / / / / / / / / / / / / / / / / / 0.0 Backlash (mm) 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. 0~0. Weight (kg) DSL1-1 DSL1-1 DSL1-1 DSL1- DSL1-2 DSL1-2 DSL1-2 DSL1- DSL1-32 DSL1-3 DSL1-3 DSL1-0 DSL1- DSL1- DSL1-0 DSL1- DSL1-0 DSL1- DSL1-70 DSL1-72 DSL1-0 DSL1-90 DSL1-0 1 Perform secondary operations carefully as to not distort the groove for clamping. 7 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

100 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Plastic with Steel Core Module 1 Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC02ST with SC core Tooth hardness (11 ~ 0HRR) Face width (E) Hub width (F) Total length (G) offset (J) * The precision grade of J Series products is equivalent to the value shown in the table. MC02ST SC No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) NSU NSU NSU NSU NSU ~ NSU NSU NSU NSU NSU NSU NSU ~ NSU NSU [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), teeth diameter and backlash. Please see the section Design of Plastic in separate technical reference book. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) Relationship between resistant thrust force and core diameter Core O.D.(cm) Core O.D.(cm) Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

101 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Series Plastic with Steel Core Newly added MC02ST MC02ST To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size NSU1- J BORE NSU1-32 J BORE NSU1-3 J BORE NSU1-3 J BORE NSU1-3 J BORE NSU1-0 J BORE NSU1- J BORE NSU1- J BORE NSU1-0 J BORE NSU1-0 J BORE NSU1-70 J BORE NSU1-0 J BORE NSU1-90 J BORE NSU1-0 J BORE [Caution on J series] SC T SC M M M M K * The product shapes of J Series items are identified by background color. 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 T Safety Factor Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 9 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

102 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Plastic with Steel Core Module 1. No. of teeth Shape [Caution on Product Characteristics] [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC02ST with SC core Tooth hardness (11 ~ 0HRR) Face width (E) 1 Hub width (F) Total length (G) 27 offset (J) * The precision grade of J Series products is equivalent to the value shown in the table. MC02ST SC Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) NSU NSU ~ NSU NSU NSU NSU NSU NSU ~0.0 NSU NSU NSU NSU NSU NSU NSU ~ NSU Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), teeth diameter and backlash. Please see the section Design of Plastic in separate technical reference book. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) Relationship between resistant thrust force and core diameter Core O.D.(cm) Core O.D.(cm) 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

103 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Series Plastic with Steel Core Newly added MC02ST Bore H7 Keyway Js9 size NSU1.-2 J BORE NSU1.- J BORE NSU1.-32 J BORE NSU1.-3 J BORE NSU1.-3 J BORE NSU1.-3 J BORE NSU1.-0 J BORE NSU1.- J BORE NSU1.- J BORE NSU1.-0 J BORE NSU1.- J BORE NSU1.-0 J BORE NSU1.- J BORE NSU1.-70 J BORE NSU1.-0 J BORE NSU1.-90 J BORE To order J Series products, please specify; + J + BORE [Caution on J series] SC K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 T Safety Factor Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 131 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

104 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Plastic with Steel Core Module 2 No. of teeth Shape Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC02ST with SC core Tooth hardness (11 ~ 0HRR) Face width (E) Hub width (F) 1 Total length (G) 3 offset (J) 7 * The precision grade of J Series products is equivalent to the value shown in the table Core O.D.(cm) Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) MC02ST SC Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) NSU NSU ~0.2 NSU NSU NSU NSU NSU NSU NSU NSU ~ NSU NSU NSU NSU NSU NSU NSU NSU ~0. 1. NSU NSU [Caution on Product Characteristics] [Caution on Secondary Operations] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), teeth diameter and backlash. Please see the section Design of Plastic in separate technical reference book. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Relationship between resistant thrust force and core diameter Core O.D.(cm) 132 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

105 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Series Plastic with Steel Core Newly added MC02ST Bore H7 Keyway Js9 size NSU2- J BORE NSU2-22 J BORE NSU2-2 J BORE NSU2-2 J BORE NSU2-2 J BORE NSU2- J BORE NSU2-32 J BORE NSU2-3 J BORE NSU2-3 J BORE NSU2-3 J BORE NSU2-0 J BORE NSU2- J BORE NSU2- J BORE NSU2- J BORE NSU2-0 J BORE NSU2- J BORE NSU2-0 J BORE NSU2- J BORE NSU2-70 J BORE NSU2-0 J BORE [Caution on J series] SC K To order J Series products, please specify; + J + BORE * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 T Safety Factor Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 133 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

106 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Plastic with Steel Core Module 2. No. of teeth Shape Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC02ST with SC core Tooth hardness (11 ~ 0HRR) Face width (E) 2 Hub width (F) 1 Total length (G) 0 offset (J) 07. * The precision grade of J Series products is equivalent to the value shown in the table Core O.D.(cm) Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) MC02ST SC Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) NSU ~0. NSU NSU NSU NSU NSU NSU ~0. NSU NSU NSU NSU NSU NSU NSU NSU NSU ~0. NSU NSU NSU NSU [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), teeth diameter and backlash. Please see the section Design of Plastic in separate technical reference book. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Relationship between resistant thrust force and core diameter Core O.D.(cm) 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

107 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Series Plastic with Steel Core Newly added MC02ST Bore H7 Keyway Js9 size NSU2.-1 J BORE NSU2.- J BORE NSU2.-22 J BORE NSU2.-2 J BORE NSU2.-2 J BORE NSU2.-2 J BORE NSU2.- J BORE NSU2.-32 J BORE NSU2.-3 J BORE NSU2.-3 J BORE NSU2.-3 J BORE NSU2.-0 J BORE NSU2.- J BORE NSU2.- J BORE NSU2.- J BORE NSU2.-0 J BORE NSU2.- J BORE NSU2.-0 J BORE NSU2.- J BORE NSU2.-70 J BORE [Caution on J series] SC To order J Series products, please specify; + J + BORE K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 T Safety Factor Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

108 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Plastic with Steel Core Module 3 No. of teeth Shape Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Precision grade Gear teeth Pressure angle Material Heat treatment Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC02ST with SC core Tooth hardness (11 ~ 0HRR) Face width (E) Hub width (F) Total length (G) 7 offset (J) 0. * The precision grade of J Series products is equivalent to the value shown in the table Core O.D.(cm) Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) MC02ST SC Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) NSU ~ NSU NSU NSU NSU ~0. NSU NSU NSU NSU NSU NSU NSU NSU NSU NSU ~0. NSU NSU NSU NSU NSU NSU [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), teeth diameter and backlash. Please see the section Design of Plastic in separate technical reference book. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Relationship between resistant thrust force and core diameter Core O.D.(cm) 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

109 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: NSU Series Plastic with Steel Core Newly added MC02ST Bore H7 Keyway Js9 size NSU3-1 J BORE NSU3-1 J BORE NSU3- J BORE NSU3-22 J BORE NSU3-2 J BORE NSU3-2 J BORE NSU3-2 J BORE NSU3- J BORE NSU3-32 J BORE NSU3-3 J BORE NSU3-3 J BORE NSU3-3 J BORE NSU3-0 J BORE NSU3- J BORE NSU3- J BORE NSU3- J BORE NSU3-0 J BORE NSU3- J BORE NSU3-0 J BORE NSU3- J BORE NSU3-70 J BORE [Caution on J series] SC To order J Series products, please specify; + J + BORE K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 T Safety Factor Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 137 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

110 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PU Plastic with Stainless Steel Core Module Specifications JIS grade N9 (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material MC901 with SUS3 core Heat treatment Tooth hardness (11 ~ 0HRR) Module m1 m1. m2 Face width (E) 1 Hub width (F) 1 Total length (G) 27 3 offset (J) 7 * The precision grade of J Series products is equivalent to the value shown in the table. MC901 SUS3 No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Metal core dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D H Bending strength Bending strength (mm) (kg) PU PU ~0.3 PU PU PU ~0.3 PU PU ~ PU PU ~0.0 PU PU PU PU ~ PU PU PU ~0. PU PU PU ~ [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 When the core O.D is the same as the hub diameter, you may see some serration on the hub. There is no effect on the strength of the gear. Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Even though the holding strength at the material interface is designed to be stronger than the teeth, a secondary operation may weaken the holding strength. 3 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. Definition of Holding Strength and Safety Factor 1 The holding strength between the metal core and the molded material is a function of the contact area. The relationship between the core outside diameter and the radial strength (torque) is shown on the left, while the relationship between the core diameter and the resistant thrust force is shown on the right. Radial Strength (Kfg.m per cm of Contact Surface Width) Relationship between radial strength and core diameter Resistant Thrust Force (Kgf. Per cm of Contact Surface Width) Relationship between resistant thrust force and core diameter Core O.D.(cm) Core O.D.(cm) 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

111 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PU Series Plastic with Stainless Steel Core Newly added MC901 MC901 SUS3 T SUS3 To order J Series products, please specify; + J + BORE K Bore H7 Keyway Js9 size PU1- J BORE PU1-3 J BORE PU1-0 J BORE PU1-0 J BORE PU1-0 J BORE PU1-0 J BORE PU1.- J BORE PU1.-3 J BORE PU1.-0 J BORE PU1.-0 J BORE PU1.-0 J BORE PU1.-0 J BORE PU2- J BORE PU2-2 J BORE PU2- J BORE PU2-3 J BORE PU2-0 J BORE PU2-0 J BORE PU2-0 J BORE [Caution on J series] * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. 2 When the ambient temperature rises, obtain the temperature compensation factor, T, from the chart on the right. Also, use a safety factor of to in the calculation. Tal = Tmax 1 Safety Factor T Where Tal:Allowable Holding Strength at the contact surface Tmax:Maximum Holding Strength - Find from the charts on the left. T:Temperature Compensation Factor * Data supplied by Japan Polypenco Limited T Ambient temperature compensation factor T Temperature( ) How is MC nylon fused to the metal core This method is superior to other conventional methods such as bolting, shrink fitting and bonding. 1 Outline of the procedure The surface of the core material is rolled with a 2mm pitch diamond knurl. Then 2mm pitch diamond knurl one or more grooves (1 to 2mm wide and 1mm deep) are cut as shown below. The metal surface is treated prior to casting nylon in a mold. 2 Advantage of MC nylon with metal core 1. Wide temperature range. There are examples of wheel use in furnaces at 1 to 10 C. 2. Good dimensional stability Since nylon is fused to the whole outer surface of the metal hub, dimensional change is very small even under temperature variations. 3. Good appearance Elimination of bolts and nuts provides a cleaner physical appearance. 139 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

112 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS Plastic Module 1 * The precision grade of J Series products is equivalent to the value shown in the table. No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Bending strength (mm) (kg) P P ~0.32 P P P P P P P P P ~ P P P P P P P P P P P ~0.3 P P P P P [Caution on Product Characteristics] [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Tooth hardness Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC901 Face width (E) Hub width (F) Total length (G) offset (J) (11 ~ 0HRR) 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. * In regards to MC Nylon gears, other materials are available for plastic gears, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. Poly Ether Ether Ketone (PEEK) also has quality properties. A single piece order is acceptable and will be produced as a custom-made gear. For details on quotations and orders please see page. 10 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

113 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS Series Plastic G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size P-1 J BORE P-1 J BORE P-1 J BORE P- J BORE P-22 J BORE P-2 J BORE P-2 J BORE P-2 J BORE P-2 J BORE P- J BORE P-32 J BORE P-3 J BORE P-3 J BORE P-0 J BORE P- J BORE P- J BORE P-0 J BORE P- J BORE P-0 J BORE P- J BORE P-70 J BORE P-7 J BORE P-0 J BORE P- J BORE P-90 J BORE P-9 J BORE P-0 J BORE [Caution on J series] T K * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. Since tapped holes of plastic products are easily broken, avoid too much tightening when fastening screws. For products which have a short tapped hole ( marked with ** are the tap size), fasten with torques less than 0.N m for M, and 0.3N m for M. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. Technical information on gears is available on KHK Web Site. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

114 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS Plastic Module 1. * The precision grade of J Series products is equivalent to the value shown in the table. No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Bending strength (mm) (kg) P P P P P P ~ P P P P P P P P P P ~ P P P P P P P P ~ P P P [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Tooth hardness Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC901 Face width (E) 1 Hub width (F) Total length (G) 2 offset (J) (11 ~ 0HRR) 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. * In regards to MC Nylon gears, other materials are available for plastic gears, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. Poly Ether Ether Ketone (PEEK) also has quality properties. A single piece order is acceptable and will be produced as a custom-made gear. For details on quotations and orders please see page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

115 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS Series Plastic G To order J Series products, please specify; + J + BORE Bore H7 Keyway Js9 size P.-1 J BORE P.-1 J BORE P.-1 J BORE P.- J BORE P.-22 J BORE P.-2 J BORE P.-2 J BORE P.-2 J BORE P.-2 J BORE P.- J BORE P.-32 J BORE P.-3 J BORE P.-3 J BORE P.-0 J BORE P.- J BORE P.- J BORE P.-0 J BORE P.- J BORE P.-0 J BORE P.- J BORE P.-70 J BORE P.-7 J BORE P.-0 J BORE P.- J BORE P.-90 J BORE P.-9 J BORE P.-0 J BORE [Caution on J series] T K * The product shapes of J Series items are identified by background color M M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. Since tapped holes of plastic products are easily broken, avoid too much tightening when fastening screws. For products which have a short tapped hole ( marked with ** are the tap size), fasten with torques less than 0.N m for M, and 0.3N m for M. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. Technical information on gears is available on KHK Web Site. 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

116 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Plastic Module 2 * The precision grade of J Series products is equivalent to the value shown in the table. No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Bending strength (mm) (kg) PS PS PS PS PS ~0.2 PS PS PS PS PS PS PS PS PSA PSA ~0. PSA PSA PSA PSA PSA PSA PSA2-0 0 S PSA PSA PSA ~0. PSA PSA PSA PSA PSA [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Tooth hardness Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC901 Face width (E) (11 ~ 0HRR) Hub width (F) (Shape ) Total length (G) (Shape ) offset (J) (Shape ) 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. * In regards to MC Nylon gears, other materials are available for plastic gears, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. Poly Ether Ether Ketone (PEEK) also has quality properties. A single piece order is acceptable and will be produced as a custom-made gear. For details on quotations and orders please see Page. S 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

117 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Series Plastic Bore H7 Keyway Js9 size PS2- J BORE PS2-13 J BORE PS2-1 J BORE PS2-1 J BORE PS2-1 J BORE PS2-1 J BORE PS2- J BORE PS2-22 J BORE PS2-2 J BORE PS2-2 J BORE PS2-2 J BORE PS2-2 J BORE PS2- J BORE PSA2-32 J BORE PSA2-3 J BORE PSA2-3 J BORE PSA2-0 J BORE PSA2- J BORE PSA2- J BORE PSA2-0 J BORE PSA2- J BORE PSA2-0 J BORE PSA2- J BORE PSA2-70 J BORE PSA2-7 J BORE PSA2-0 J BORE PSA2- J BORE PSA2-90 J BORE PSA2-9 J BORE PSA2-0 J BORE [Caution on J series] T2 To order J Series products, please specify; + J + BORE K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. Since tapped holes of plastic products are easily broken, avoid too much tightening when fastening screws. For products which have a short tapped hole ( marked with ** are the tap size), fasten with torques less than 0.N m for M, and 0.3N m for M. SK Stainless Steel Hubs for PSA are now available! Standardized sectional stainless steel hubs. It enhances a secure fastening to the shaft. How to attach gears to shafts To attach gears to shafts, in case of light loads, methods include using keys, taper pins, spring pins, and press fitting after mounting the setscrews. While looseness tends to occur in the conditions below, plastic gears are fastened by applying a steel hub. 1. When the circumferential temperature is high 2. For large diameter gears 3. If forward-reverse motion impacts keys MC nylon Metal MC nylon Metal For fastening steel hubs into plastic gears with bolts, see below for various methods. For gears, which cannot be fasten with bolts due to their shape; it is recommended to use the method of fusion bonding with metal cores. Fastening with a steel hub bolt For details, please see Page. Technical information on gears is available on KHK Web Site. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

118 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Plastic Module 2. * The precision grade of J Series products is equivalent to the value shown in the table. No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Bending strength (mm) (kg) PS PS PS PS ~ PS PS PS PS PS PS PS PS ~0. PS PSA PSA PSA PSA PSA2.- S PSA PSA ~ PSA PSA [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Tooth hardness Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC901 Face width (E) (11 ~ 0HRR) Hub width (F) (Shape ) Total length (G) 37 (Shape ) offset (J) (Shape ) 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. * In regards to MC Nylon gears, other materials are available for plastic gears, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. Poly Ether Ether Ketone (PEEK) also has quality properties. A single piece order is acceptable and will be produced as a custom-made gear. For details on quotations and orders please see Page. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg S The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

119 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Series Plastic Bore H7 Keyway Js9 size PS2.- J BORE PS2.-13 J BORE PS2.-1 J BORE PS2.-1 J BORE PS2.-1 J BORE PS2.-1 J BORE PS2.- J BORE PS2.-22 J BORE PS2.-2 J BORE PS2.-2 J BORE PS2.-2 J BORE PS2.-2 J BORE PS2.- J BORE PSA2.-32 J BORE PSA2.-3 J BORE PSA2.-3 J BORE PSA2.-0 J BORE PSA2.- J BORE PSA2.- J BORE PSA2.-0 J BORE PSA2.- J BORE PSA2.-0 J BORE [Caution on J series] T2 To order J Series products, please specify; + J + BORE K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. Since tapped holes of plastic products are easily broken, avoid too much tightening when fastening screws. For products which have a short tapped hole ( marked with ** are the tap size), fasten with torques less than 0.N m for M, and 0.3N m for M. SK Stainless Steel Hubs for PSA are now available! Standardized sectional stainless steel hubs. It enhances a secure fastening to the shaft. How to attach gears to shafts To attach gears to shafts, in case of light loads, methods include using keys, taper pins, spring pins, and press fitting after mounting the setscrews. While looseness tends to occur in the conditions below, plastic gears are fastened by applying a steel hub. 1. When the circumferential temperature is high 2. For large diameter gears 3. If forward-reverse motion impacts keys MC nylon Metal MC nylon Metal For fastening steel hubs into plastic gears with bolts, see below for various methods. For gears, which cannot be fasten with bolts due to their shape; it is recommended to use the method of fusion bonding with metal cores. Fastening with a steel hub bolt For details, please see Page. Technical information on gears is available on KHK Web Site. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

120 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Plastic Module 3 * The precision grade of J Series products is equivalent to the value shown in the table. No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Allowable torque (N m) Allowable torque (kgf m) Backlash Weight AH7 B C D Bending strength Bending strength (mm) (kg) PS PS PS ~ PS PS PS PS PS PS PS ~ PS PS PS PSA PSA PSA PSA PSA3- S ~0. PSA PSA PSA PSA [Caution on Product Characteristics] 1 Significant variations in temperature or humidity can cause dimensional changes in plastic gears (MC Nylon gears), including bore size (H when produced), tooth diameter, and backlash. Please see the section Design of Plastic in separate technical reference book. (Page 1). 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 Without lubrication, using plastic gears in pairs may generate heat and dilation. It is recommended to mate them with steel gears. The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. [Caution on Secondary Operations] Precision grade Gear teeth Pressure angle Material Heat treatment Tooth hardness Specifications JIS grade N9 (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth MC901 Face width (E) (11 ~ 0HRR) Hub width (F) 1 (Shape ) Total length (G) (Shape ) offset (J) 7. (Shape ) 1Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2Plastic gears are susceptible to the effects of temperature and moisture. Dimensional changes may occur while performing secondary operations and during post-machining operations. * In regards to MC Nylon gears, other materials are available for plastic gears, including Ultra High Molecular Weight Polyethylene (UHMW-PE), which has excellent abrasion resistance. Poly Ether Ether Ketone (PEEK) also has quality properties. A single piece order is acceptable and will be produced as a custom-made gear. For details on quotations and orders please see Page. GCU-S Gear Kit Installment : Parallel axes gears (Two-stage) Gear Type : : 2 units of S.-1 2 units of P.-22 Gear Ratio : 1.9 Weight : Approx. 1kg S The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

121 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: PS PSA Series Plastic Bore H7 Keyway Js9 size PS3- J BORE PS3-13 J BORE PS3-1 J BORE PS3-1 J BORE PS3-1 J BORE PS3-1 J BORE PS3- J BORE PS3-22 J BORE PS3-2 J BORE PS3-2 J BORE PS3-2 J BORE PS3-2 J BORE PS3- J BORE PSA3-32 J BORE PSA3-3 J BORE PSA3-3 J BORE PSA3-0 J BORE PSA3- J BORE PSA3- J BORE PSA3-0 J BORE PSA3- J BORE PSA3-0 J BORE [Caution on J series] T2 To order J Series products, please specify; + J + BORE K * The product shapes of J Series items are identified by background color M M M M 1 As available-on-request products, requires a lead-time for shipping within 2 working-days (excludes the day ordered), after placing an order. Please allow additional shipping time to get to your local distributor. 2 Number of products we can process for one order is 1 to units. For quantities of 21 or more pieces, we need to quote price and lead time. 3 Keyways are made according to JIS B11 standards, Js9 tolerance. Certain products which would otherwise have a very long tapped hole are conterbored to reduce the length of the tap. For products having a tapped hole, a set screw is included. Since tapped holes of plastic products are easily broken, avoid too much tightening when fastening screws. For products which have a short tapped hole ( marked with ** are the tap size), fasten with torques less than 0.N m for M, and 0.3N m for M. SK Stainless Steel Hubs for PSA are now available! Standardized sectional stainless steel hubs. It enhances a secure fastening to the shaft. How to attach gears to shafts To attach gears to shafts, in case of light loads, methods include using keys, taper pins, spring pins, and press fitting after mounting the setscrews. While looseness tends to occur in the conditions below, plastic gears are fastened by applying a steel hub. 1. When the circumferential temperature is high 2. For large diameter gears 3. If forward-reverse motion impacts keys MC nylon Metal MC nylon Metal For fastening steel hubs into plastic gears with bolts, see below for various methods. For gears, which cannot be fasten with bolts due to their shape; it is recommended to use the method of fusion bonding with metal cores. Fastening with a steel hub bolt For details, please see Page. Technical information on gears is available on KHK Web Site. 19 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

122 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SUKB Stainless Steel Hubs for PSA Material : SUS3 Partner Shape SUKB0 SUKB0 SUKB0 SUKB3 SUKB SUKB3 SUKB0 SUKB070 SUKB0 PSA2-32 or more PSA2-0 or more PSA2-0 or more PSA2.-32 or more PSA2.-0 or more PSA2.-0 or more PSA3-32 or more PSA3-0 or more PSA3-0 or more T T T 1 Bore Hub dia. Socket head screw Flange diameter Flange length Hub width Total length AH7 B No. of threaded hole Size C D E F G M M M [Caution on Product Characteristics] 1 The area where PSA Plastic are attached, with hub tolerance h7. 2 The friction coupling torques shown in the table are reference values calculated according to these set values; friction factors and fastening torques of the tapping screw. 3 Please refer to the assembly example below, and then attach the hub to the gear with the accessories, plain washers, spring washers and hexagon socket head cap screws. In accordance with the fastening torque values shown in the dimension table, use a torque wrench and fasten hexagon socket head cap screws firmly, to attach the hub. If a fastened hexagon socket head cap screw comes loose, the friction tightening torque values shown in the table can not be maintained. It is recommended to check the fasteners regularly and retighten when required. For secure positioning, it is recommended to use dowel pins. Features of Stainless Steel Hubs This is an attached stainless steel hub with excellent rust resistance. Perfectly matches with PSA Plastic, and suitable for food processing machinery. Efficient use of materials and superior cost performance for this product. SUKB Stainless Steel Hubs (This product) Plain washers (Accessories) T Friction Coupling Torque for Stainless Steel Hubs Friction coupling torque, for Stainless Steel Hubs, is calculated from the frictional force generated by the fastening torque at the contact face of the gear and the stainless steel hub. Fastening Torque F(N) is calculated from the equation below. n T K d F = :Number No. of threaded holes shown in the dimension table. :Tightening torque (N m) Fastening torque shown in the dimension table. :Torque coefficient Set the value at 0.1 :Nominal diameter (mm) Socket head screw size shown in the dimension table (M = mm) Friction Coupling Torque T f (N m) is calculated from the equation below. F μ d T f = w 00 F μ d w n 00 T K d :Fastening torque (N) The value obtained from the calculation above. :Friction factor at the contact face of the gear and the stainless steel hub Set the value at 0.1 :Pitch diameter of the threaded hole (mm) Socket head screw size C shown in the dimension table PSA2.-0 Plastic Gear (Purchased separately and modified) Assembly Completed! Spring washers (Accessories) Hexagon socket head cap screws (Accessories) Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

123 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: Stainless Steel Hub SUKB Tapped holes at the outer circumference of the hub Interference occurred 90 Recommended fastening torque Friction coupling torque Weight (N m) (kgf m) (N m) (kgf m) (kg) [Caution on Secondary Operations] SUKB0 SUKB0 SUKB0 SUKB3 SUKB SUKB3 SUKB0 SUKB070 SUKB0 1 Please read Cautions on Performing Secondary Operations in Page 32 when performing modification and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Datum plane for machining hubs is the outer circumference of the hub, where PSA Plastic are attached, and the flank of the flange is facing the hub. 3 For modifying tapped holes at the outer circumference of the hub, apply machining with care and in consideration of the positions of the screw holes for the fastening screws, that attach the hub. (This position is where no interference occurs with the hexagon socket head cap screws). Partner and Modifications Occurrence of Interference Recommended positioning for two tapped holes 0 Stainless Steel Hubs SUKB0 SUKB0 SUKB0 SUKB3 SUKB SUKB3 SUKB0 SUKB070 SUKB0 PSA2-32 or more PSA2-0 or more PSA2-0 or more PSA2.-32 or more PSA2.-0 or more PSA2.-0 or more PSA3-32 or more PSA3-0 or more PSA3-0 or more Partner Bore Drilled hole Bore 2 Length of bore Fillet radius B'H No. of threaded hole Size C' D' E'± 0.1 H 2 1 φ. 7 R0. or less φ. φ Modifications for bores, keyways and tapped holes done in 3 days! Please request modifications at KHK Quick-Mod.. R0. or less 1 R0. or less To find more information on KHK Quick-Mod, please see Page. Modifications for SUKB (With fee) Modifications for PSA (Purchased separately and modified with fee) 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

124 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DS Injection Molded Module Specifications Precision grade Gear teeth JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth Pressure angle Material Duracon acetal(m90-) Heat treatment Module No. of teeth Shape DS0.- DS0.-1 DS0.-1 DS0.-1 DS0.- DS0.-2 DS0.-2 DS0.-2 DS0.- DS0.-32 DS0.-3 DS0.-3 DS0.-0 DS0.- DS0.- DS0.-0 DS0.- DS0.-0 DS0.- DS0.-70 DS0.-72 DS0.-0 DS0.- DS0.-1 DS0.-1 DS0.-1 DS0.- DS0.-2 DS0.-2 DS0.-2 DS0.- DS0.-32 DS0.-3 DS0.-3 DS0.-0 DS0.- DS0.- DS0.-0 DS0.- DS0.-0 DS0.- DS0.-70 DS0.-72 DS0.-0 m0. m Tooth hardness (1 ~ 0HRR) * The precision grade of this product is equivalent to the value shown in the table. S S S S SB Bore 1 Bore 2 Hub dia. 1 Hub dia. 2 Pitch dia. Outside dia. Face width Hub width A (A') B B' C D E F () (.) () (7) S [Caution on Product Characteristics] 1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 The bore tolerance is generally -0.0 to -0. but may be + value at the central portion of the hole. To find dimensional precision, see the table "Tolerance of Injection Molded ". Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

125 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DS Injection Molded Total length Web thickness Web O.D. Depth of counterbore Allowable torque (N m) Allowable torque (kgf m) Backlash SB G (H) ( I ) (J) Bending strength Bending strength (mm) Weight (g) (2.) () (0.) (0.) (0.) (0.) DS0.- DS0.-1 DS0.-1 DS0.-1 DS (1.) (1.) (1.) (1.) (1.) (1.) (1.) (1.) (1.) (1.) (9.) () (11.) () (13) (1.) (1) (1.) (19) (21) ~ DS0.-2 DS0.-2 DS0.-2 DS0.- DS0.-32 DS0.-3 DS0.-3 DS0.-0 DS0.- DS0.- 7 (1.) (1.) (1.) (1.) (1.) (21.) (2.) (2.) (2.) (31.) DS0.-0 DS0.- DS0.-0 DS0.- DS (1.) (1.) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (2) (32) (3.) (.7) (.) (9.2) (.7) (.7) (1) (1.) (1.) (19.) (21) (23.) (2.) (27.) (31) (33.) (3) (39.) (2.) () (0.) (1.) (.) ~ DS0.-72 DS0.-0 DS0.- DS0.-1 DS0.-1 DS0.-1 DS0.- DS0.-2 DS0.-2 DS0.-2 DS0.- DS0.-32 DS0.-3 DS0.-3 DS0.-0 DS0.- DS0.- DS0.-0 DS0.- DS0.-0 DS0.- DS0.-70 DS0.-72 DS0.-0 [Caution on Secondary Operations] 1 Injection molded products may have air bubbles inside of the material; please avoid performing secondary operations. 13 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

126 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DS Injection Molded Module 1 Specifications JIS grade N (JIS B02-1: 199) * Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Pressure angle Material Duracon acetal(m90-) Heat treatment D- D-1 D-1 D-1 D- D-2 D-2 D-2 D- D-32 D-3 D-3 D-0 D- D- D-0 D- D-0 D- D-70 D-72 D-0 Module No. of teeth Shape [Caution on Product Characteristics] m BB Sintered Metal Bushings Tooth hardness (1 ~ 0HRR) * The precision grade of this product is equivalent to the value shown in the table. Bore 1 Bore 2 Hub dia. 1 Hub dia. 2 Pitch dia. Outside dia. Face width Hub width A (A') B B' C D E F The table below shows a series of standard metal bushings that can be pressed into standard injection molded gears The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. 3 The bore tolerance is generally -0.0 to -0. but may be + value at the central portion of the hole. To find dimensional precision, see the table Tolerance of Injection Molded " Sintered Metal Bushings I.D. of bushing O.D. of bushing Length that can d D L use the bushing T BB07 BB0 BB009 BB0 BB0 BB DS0. DS0.,DS0. DS0. D D D Material:Oil impregnated sintered bronze 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

127 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: DS Injection Molded Total length Web thickness Web O.D. Depth of counterbore Allowable torque (N m) Allowable torque (kgf m) Backlash G (H) ( I ) (J) Bending strength Bending strength (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) (3) [Caution on Secondary Operations] (.) (11) (11.) (13.) (1) () () (23) (2) (2.) (29) () (3) (39.) (0) (2.) (.) (2.) (.) (2.) () (72.) (mm) 0~0.0 Weight (g) D- D-1 D-1 D-1 D- D-2 D-2 D-2 D- D-32 D-3 D-3 D-0 D- D- D-0 D- D-0 D- D-70 D-72 D-0 1 Injection molded products may have air bubbles inside of the material; please avoid performing secondary operations. Tolerance of Injection Molded. (Unit : mm) Range Tolerance below 3 mm ± 0. 3 up to mm ± 0.2 up to mm ± 0. up to 1 mm ± up to mm ± 0.0 mm up ± Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

128 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass Module 0. Specifications Precision grade Gear teeth JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Standard full depth Pressure angle Material Free cutting brass(c) Heat treatment Tooth hardness (more than 0HV) Module No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth BSS0.-1A 1 S3T BSS0.-1A 1 S3T BSS0.-A S3T BSS0.-1A 1 S3T BSS0.-19A 19 S3T BSS BSS0.-A S3T BSS0.-B S3T BSS0.-21A 21 S3T BSS0.-22A 22 T BSS0.-23A 23 T BSS0.-2A 2 T BSS0.-2B 2 T BSS0.-2 BSS0.-2A BSS0.-2B 2 T T BSS0.-2A 2 T BSS0.-27A 27 T BSS0.-2A 2 T BSS0.-29A m0. 29 T BSS0.- BSS0.-A BSS0.-B BSS0.-C T T T BSS0.-32A 32 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-0 BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-70A BSS0.-70B BSS0.-0A BSS0.-0B [Caution on Product Characteristics] * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. T T T T T T T T T T For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If diameter is less than φ, the diameter tolerance is H. If diameter is φ or φ, and the hole length exceeds 3 times of the diameter, the tolerance is also H. S3T * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

129 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass Set Allowable torque (N m) Allowable torque (kgf m) Backlash Weight Size J Bending strength Bending strength (mm) (kg) ~ BSS0.-1A ~ BSS0.-1A ~ BSS0.-A ~ BSS0.-1A ~ BSS0.-19A ~ BSS0.- BSS0.-A BSS0.-B ~ BSS0.-21A ~ BSS0.-22A ~ BSS0.-23A ~ BSS0.-2A ~ BSS0.-2B ~ BSS0.-2 BSS0.-2A BSS0.-2B ~ BSS0.-2A ~ BSS0.-27A ~ BSS0.-2A ~ BSS0.-29A M ~ BSS0.- BSS0.-A BSS0.-B BSS0.-C ~ BSS0.-32A ~ BSS0.-3A ~ BSS0.-3A ~ BSS0.-3A ~ BSS0.-3A M M M M M M M M [Caution on Secondary Operations] ~ ~ ~ ~ ~0. T BSS0.-0 BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-70A BSS0.-70B BSS0.-0A BSS0.-0B 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 3 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

130 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass Specifications Precision grade JIS grade N (JIS B02-1: 199) * JIS grade (JIS B02: 197) Gear teeth Standard full depth Module 0. Pressure angle Material Free cutting brass(c) Heat treatment Module No. of teeth Shape Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth BSS0.-1A 1 T BSS0.-1A 1 T. 1. BSS0.-A T BSS0.-1A 1 T 1. 1 BSS0.-19A 19 T BSS BSS0.-A T 1. BSS0.-B T BSS0.-21A 21 T BSS0.-22A 22 T BSS0.-23A 23 T 1 1. BSS0.-2A BSS0.-2B BSS0.-2 BSS0.-2A BSS0.-2B 2 2 T T T T BSS0.-2A 2 T BSS0.-27A 27 T m0. BSS0.-2A 2 T BSS0.-29A 29 T BSS0.- BSS0.-A BSS0.-B BSS0.-C T T T 2 2. BSS0.-32A 32 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-3A 3 T BSS0.-0 BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B [Caution on Product Characteristics] Tooth hardness * The precision grade of products with a module of less than 0. is equivalent to the value shown in the table. T T T T T T (more than 0HV) For products with a tapped hole, a set screw is included. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If diameter is less than φ, the diameter tolerance is H. If diameter is φ or φ, and the hole length exceeds 3 times of the diameter, the tolerance is also H. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. 1 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

131 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass T Set Allowable torque (N m) Allowable torque (kgf m) Backlash (mm) Weight (kg) Size J Bending strength Bending strength ~ BSS0.-1A ~ BSS0.-1A ~ BSS0.-A ~ BSS0.-1A ~ BSS0.-19A M ~ BSS0.- BSS0.-A BSS0.-B M ~ BSS0.-21A M ~ BSS0.-22A M ~ BSS0.-23A M M ~0. 0 ~ ~ BSS0.-2A BSS0.-2B BSS0.-2 BSS0.-2A BSS0.-2B M ~ BSS0.-2A M ~ BSS0.-27A M ~ BSS0.-2A M ~ BSS0.-29A M M ~ BSS0.- BSS0.-A BSS0.-B BSS0.-C M ~ BSS0.-32A M ~ BSS0.-3A M ~ BSS0.-3A M ~ BSS0.-3A M ~ BSS0.-3A M M M M M M [Caution on Secondary Operations] ~ ~ ~ BSS0.-0 BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B BSS0.-0A BSS0.-0B 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 3 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width. 19 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

132 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass Module 1 Specifications Precision grade Gear teeth JIS grade N (JIS B02-1: 199) JIS grade (JIS B02: 197) Standard full depth Pressure angle Material Free cutting brass(c) Heat treatment Module No. of teeth Shape BS-1A BS-1B BS-1A BS-1B 1 1 S3T S3T T T Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Keyway AH7 B C D E F G Width Depth BS-A T BS-1A T BS-1B T 1 BS-19A 19 T BS-A BS-B BS-C T T T BS-21A 21 T BS-22A 22 T BS-23A 23 T BS-2A BS-2B BS-2C BS-2A BS-2B BS-2C 2 2 T T T T T T BS-2A T BS-2B T 22 BS-27A m1 27 T BS-2A 2 T BS-29A 29 T BS-A BS-B BS-C BS-D BS-32A BS-32B BS-32C BS-32D 32 T T T K T T T K S3T x 1. x 1. BS-3A 3 T BS-3A T BS-3B K 2 x 1. BS-3A T BS-3B K 2 x 1. BS-3A 3 T BS-0A BS-0B BS-0C BS-0A BS-0B BS-0C 0 0 Tooth hardness T T K T T K (more than 0HV) x 1. x 1. [Caution on Product Characteristics] 1 Keyways are made according to JIS B11 standards and Js9 tolerances. For products with a tapped hole, a set screw is included as an accessory. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. If diameter is less than φ, the diameter tolerance is H. If diameter is φ or φ, and the hole length exceeds 3 times of the diameter, the tolerance is also H. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

133 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: BSS Brass T Set Allowable torque (N m) Allowable torque (kgf m) Backlash Size J Bending strength Bending strength (mm) M M ~ ~ ~ ~0.1 Weight (kg) BS-1A BS-1B BS-1A BS-1B M ~ BS-A M 0.0~ BS-1A M 0.0~ BS-1B M ~ BS-19A M M ~ ~ ~ BS-A BS-B BS-C M ~ BS-21A M ~ BS-22A M ~ BS-23A M M M M M M M M ~ ~ ~ ~ ~ ~ ~ ~ BS-2A BS-2B BS-2C BS-2A BS-2B BS-2C BS-2A BS-2B M ~ BS-27A M ~ BS-2A M ~ BS-29A M M M M M M M M ~ ~ ~ ~ ~ ~ ~ ~ BS-A BS-B BS-C BS-D BS-32A BS-32B BS-32C BS-32D M ~ BS-3A M 0.0~ BS-3A M 0.0~ BS-3B M 0.0~ BS-3A M 0.0~ BS-3B M ~ BS-3A M M M M M M ~ ~ ~ ~ ~ ~0.1 K BS-0A BS-0B BS-0C BS-0A BS-0B BS-0C [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. 3 When performing secondary operations, be aware of deflection and distortion as the tooth is thin in width. 11 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form:

134 Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: SSR Steel Ring ( ) Specifications JIS grade N9 (JIS B02-1: 199) Precision grade JIS grade (JIS B02: 197) Gear teeth Standard full depth Module Pressure angle Material SC Heat treatment Module No. of teeth Shape SSR2-0 SSR2-0 SSR2.-0 SSR2.-0 SSR3-0 SSR3- [Caution on Product Characteristics] m2 m2. m Tooth hardness S S S S S S (less than 19HB) Bore Pitch dia. Outside dia. Face width Allowable torque (N m) Allowable torque (kgf m) AH C D E Bending strength Surface durability Bending strength Surface durability Backlash (mm) 0.~ ~ ~ ~ ~ ~ Weight (kg) S SSR2-0 SSR2-0 SSR2.-0 SSR2.-0 SSR3-0 SSR3-1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details. 2 The backlash values shown in the table are the theoretical values for the normal direction for the ring gear in mesh with a tooth SS type spur gear. 3 Although the inside diameter of these gears are made to H tolerance, since the ring shape is easily deformed, some error may occur beyond the stated tolerance [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod, the KHK's system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width as it affects precision and strength. * For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page. Order from MARYLAND METRICS P.O. Box 21 Owings Mills, MD 211 USA web: sales@mdmetric.com ph: ()3-31 (00)3-1 fx: ()3-3 (00) rfq form: