To compete in today s global marketplace, distributors

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2 To compete in today s global marketplace, distributors and OMs need a supplier who can provide them with precision idlers and tensioners that meet their quality, cost and delivery requirements. That s why they rely on I-US. I Select idlers and tensioners are high quality products that meet or exceed Tier 1 manufacturers quality standards. These products include pulleys, bushings, sprockets, idler shafts and miscellaneous tensioning products. I-US is committed to providing you with the personal service you deserve while meeting your on-time delivery requirements with top quality, cost-effective products. I-US takes great pride in the quality of our products. Our precision idlers and tensioners use only bearings from name brand manufacturers such as NTN, NS, Nachi, IO and Timken. I-US also provides thermoplastic idler pulleys, which are precision molded glassreinforced nylon idlers. These idlers are available in a wide range of styles and sizes and are found in the following industrial applications: lawn and garden equipment, motion control, fitness equipment, conveyors and all other pulley applications. I-US also has the ability to customize our products to fit your specific needs. In most cases, we are able to machine our products to the dimensions that you require. or more information please visit us at or call I-US 933 Western rive Indianapolis, IN Phone: ax: Phone:

3 Table of ontents Idler Sprockets omposite Sprockets... 3 rive Tensioners eavy uty Tensioners Q Idler ushings Split Taper Idler ushings Stamped Steel Idler Pulleys V-elt Idler Pulleys lat elt Idler Pulleys lat aced Idler Pulleys Seamless lat aced Idler Pulleys Synchronous elt Idlers Precision round Idler Shafts iberglass Reinforced Nylon Pulleys Radial Load apacity hart Number eneral ngineering Information Inch MM onversion hart Phone:

4 ILR SPROTS LL RIN hain Size Teeth ore pp. Wt /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ /2 7/16 11/ /8 7/16 11/ Style Style 1 Style /4 9/ Style 3 Top quality idler sprockets come standard with name brand bearings. all bearing idler sprockets have hardened teeth, precision ground bearings, double sealed, and pre-lubricated. RONZ RIN/NL RIN ronze earing Needle earing hain Size Teeth Strand hain pp. Wt. 25R19 25N /2 1/ R13 35N /4 1/ R19 35N / R19 41N R19 40N R17 50N R11 60N / R17 60N / R13 80N / N /8 1 1/ N /8 1 1/ N /4 1 1/ N /4 1 1/ R19 35N / R19 40N / R17 50N / R17 60N / R13 80N / N /8 1 1/ ll sprockets have hardened teeth. 2 Phone:

5 OMPOSIT SPROTS One-Piece Thermoplastic ody Roller hain Sprockets SM/NSI hain ore adaptors available. See page 21. Teeth Strand RS RS RS RS RS (mm) Phone:

6 RIV TNSIONRS The Single djusting Tensioner can be mounted on any point of a shaft or stud. This tensioner permits controlled tensioning at any point of the 360 arc. The split at the base of the arm allows for fast adjustment and tight clamping on the shaft. The ST series tensioner should be used when a frame member is not present and a bolt-on tensioner is not an option. SINL USTIN TNSIONR (ST MOUNT) rewer rowning ST 3/8-16 S ST1 1/2 1/2 13/16 3 9/16 1/2 10/32 1 1/8 2 9/ ST 1/2-13 ST ST 5/8-11 STP ST 3/4-10 M 3/4-10 STQ ST 3/4-16 M I pprox. 1 7/8 1 5/8 6 1/4 1 3/ ST 1-8 STQ-1 1 1/2 1 5/16 2 7/8 9 3/8 1 1/2 1/ / ST 1-14 L Idler shaft must be ordered separately. or shaft selection see page 20. The ouble djustable ase Mount rive Tensioner has a 360 rotating arm that permits controlled tensioning at any point of the arc. The adjusting slot gives the operator easy adjustment to keep proper tension on the belt or chain drive increasing the life of the drive. This tensioner has serrated teeth to prevent slippage. OUL USTIN TNSIONR (S MOUNT) rewer rowning T 3/8-16 SS TN1 1/2 1 3/16 15/ / /32 1 1/4 1 9/16 1 1/4 15/ T 3/4-10 TSQ 1 1 7/8 1 1/2 4 5/8 3 1/2 3 1/16 2 1/ /8 1 3/ T 3/4-16 SM 1 1 7/8 1 1/2 4 5/8 3 1/2 3 1/16 2 1/ /8 1 3/ T 1-8 TQ-1 1 1/2 2 15/16 2 3/8 6 15/16 5 1/4 4 9/ /2 5 5/8 2 5/ T 1-14 SL 1 1/2 2 15/16 2 3/8 6 15/16 5 1/4 4 9/ /2 5 5/8 2 5/ Idler shaft must be ordered separately. or shaft selection see page 20. I L M pprox. 4 Phone:

7 RIV TNSIONRS The T Series Tensioner has a flanged base that can be mounted in a tight area where space is limited. The rotating arm gives the operator 360 controlled tensioning and can be easily adjusted to the proper tension increasing the life of the drive. The T Series Tensioners have serrated teeth to prevent slippage. USTL LN TNSIONR rewer rowning T 3/4-10 TQ 1 1 7/8 1 1/ / T 3/4-16 SM 1 1 7/8 1 1/ / T 1-8 TQ-1 1 1/2 2 15/16 2 3/8 7 1/ /2 5 5/ T 1-14 SL 1 1/2 2 15/16 2 3/8 7 1/ /2 5 5/ Idler shaft must be ordered separately. See page 27 for exceptions. or shaft selection see page 20. L pprox. The T Series Tensioner has an angled base that can be mounted on the top of a frame member. The angled base provides parallel tensioning with the drive. This tensioner has serrated teeth to prevent slippage. N M R L I V T UST I NSIONR L-OLT USTL NL TNSIONR rewer T 3/ /4 1 1/ /8 1/2 2 1/ T 3/4-16 RSM 1 1 1/4 1 1/ /8 1/2 2 1/ T /2 1 3/4 2 3/8 3 1/2 7 3/8 7 1/ /2 5 5/8 3/4 5 1/ T 1-14 RSL 1 1/2 1 3/4 2 3/8 3 1/2 7 3/8 7 1/ /2 5 5/8 3/4 5 1/ Idler shaft must be ordered separately. or shaft selection see page 20. I L M N pprox. Phone:

8 RIV TNSIONRS The T Series Tensioner has a fixed flanged base that can be mounted in a tight area where space is very limited. This is the ideal tensioner when the center distance between shafts is excessive and additional tensioning is required. Typically used with a combination of fixed and adjustable tensioners. IX LN TNSIONR rewer rowning T 3/8-16 S TN1 1/2 1/2 1 1/8 1 3/4 2 3/8 1/ T 3/4-10 M 3/4-10 TQ 1 15/ / T 3/4-16 M 1 15/ / T 1-8 TQ-1 1 1/2 1 7/16 3 1/ /2 5/ T 1-14 L - 1 1/2 1 7/16 3 1/ /2 5/ Idler shaft must be ordered separately. or shaft selection see page 20. pprox. The T Series Tensioner can be mounted on top of any flat surface and will provide horizontal tensioning. an be used with other T series tensioners, as well as, other tensioners to achieve proper tensioning. -OLT I IX NL TNSIONR rewer rowning T 3/8-16 RS TN1 1/2 1 1/2 1 1/ /8 1 3/4 1/4 9/ T 3/4-10 RM 3/4-10 TQ /4 3 1/ /8 1 1/ T 3/4-16 RM /4 3 1/ /8 1 1/ T 1-8 TQ-1 1 1/ /2 2 5/8 7 5/16 7 1/2 6 5/8 1 7/ T 1-14 RL 1 1/ /2 2 5/8 7 5/16 7 1/2 6 5/8 1 7/ Idler shaft must be ordered separately. or shaft selection see page 20. I pprox. 6 Phone:

9 RIV TNSIONRS The RT Tensioner has the ability for continued tension on reversible drives by using a floating arm that will automatically relocate when the direction of the drive is reversed. RVRSIL RIV TNSIONR rewer RT 3/4-16 XM 1 2 1/4 1/8 2 1/ /4 3/8 1 3/ Idler shaft must be ordered separately. or shaft selection see page 20. L M N pprox. The ST Series Tensioner uses screw adjustment for positive precise tensioning. an be easily mounted to any flat surface and a favorite for operators that need to make very fine adjustments. USTL SRW TNSIONR rewer ST 3/8-16 S 1/2 1 1/2 1 1/16 5 1/2 4 3/4 3/8 1/4 1 13/16 3/4 1/ / ST 3/4-16 M 1 2 1/2 1 1/2 9 3/8 8 3/8 3/4 1/2 2 3/8 1 3/ / ST 1-14 L 1 1/2 3 5/8 2 3/ /2 1 1/4 3/4 4 3/8 1 3/4 5/ / Idler shaft must be ordered separately. or shaft selection see page 20. I L M N pprox. Phone:

10 RIV TNSIONRS The ST Series Tensioner provides vertical tensioning by the use of a sliding shaft through a mounted base. The split in the base allows for fast adjustment and tight clamping on the shaft. The tensioner head rotates 360 and is a great option for long shaft centers. SLIIN TNSIONR rewer ST 3/8-16 LS 1/2 1 3/16 1 1/4 2 1/8 1 3/4 7/8 2 7/8 9/16 1/4 2 7/8 9/ ST 3/4-16 LM 1 2 1/16 2 1/ / /4 1 3/8 5 11/ ST 1-14 LL 1 1/2 3 1/16 3 5/ /8 2 1/ /8 1 1/2 5/8 10 1/2 1 1/ Idler shaft must be ordered separately. or shaft selection see page 20. I L M N pprox. SPRIN LO TNSIONR rewer The SLT Tensioner Series uses a compression spring for automatic tensioning, the spring will compress 1 inch for every 28 pounds of force with a maximum travel of 3 inches. This tensioner will provide constant tension that will protect the drive from damage caused by shock and pulsation. The head rotates 360 and the base has additional vertical adjusting slots. SLT MSL 1 1/2 3 3/16 1 7/ / /8 1 5/8 5/ /8 13/ Idler shaft must be ordered separately. or shaft selection see page 20. I L M N O pprox. 8 Phone:

11 RIV TNSIONRS The VMT Tensioner has a 3 1/2" travel through the use of the vertical slot. The head is drilled and tapped to accept the SO5- and SO6- shafts. VRTIL MOUNT TNSIONR rewer (UN) VMT MVL 12 1/2 3 1" /2 3 1/2 1/2 2 1/2 7/8 1 3/4 2 3/8 2 3/8 7/8 12 Idler shaft must be ordered separately. or shaft selection see page 20. L M pprox. The MT Tensioner has a 3 1/2" travel and is mounted 90 to the length of the part. oth ends are tapped so the shaft can be threaded on either side of the tensioner, the hole is tapped to accept the SO5- and SO6- shafts. ORIZONTL MOUNT TNSIONR rewer (UN) MT ML 12 1/2 3 1" /2 3 1/2 1/2 2 1/2 7/8 1 3/4 2 3/4 3 1/2 7/ Idler shaft must be ordered separately. or shaft selection see page 20. L M pprox. Phone:

12 V Y UT Y TNSIONRS The 1 Tensioner is designed for heavy duty drives and has a travel up to 6" through the use of the adjusting slots. The head is drilled to accept a 2" shaft. The shaft is mounted straight out from the face and is anchored by set screws. L N M VY UTY TNSIONRS rewer / /2 13/ /2 1 1/4 3/ Idler shaft must be ordered separately. or shaft selection see page 20. L M N pprox. The 2 Tensioner is designed for heavy duty drives and has a travel up to 6" through the use of the adjusting slots. The head is drilled to accept a 2" shaft. The shaft is mounted to the side at 90 and is anchored by set screws. L M N VY UTY TNSIONRS rewer L M N pprox / / /2 13/ /4 4 1/2 1 1/4 3/ Idler shaft must be ordered separately. or shaft selection see page Phone:

13 V Y UT Y TNSIONRS The 3 Tensioner is designed for heavy duty drives and has a travel up to 6" through the use of the adjusting slots. The head is drilled to accept a 2" shaft and is located in the center of the part in between the adjusting slots. The shaft is anchored by set screws. L M N VY UTY TNSIONRS rewer / / /2 1 1/4 3/ Idler shaft must be ordered separately. or shaft selection see page 20. L M N pprox. The 4 Tensioner is designed for heavy duty drives and has a travel up to 6" through the use of the adjusting slots. The head is drilled to accept a 2" shaft. The shaft is mounted straight out from the face and the adjusting slots are parallel to one another. The shaft is anchored by set screws. L N M VY UTY TNSIONRS rewer /2 5 1/ / / /2 1 1/4 3/ Idler shaft must be ordered separately. or shaft selection see page 20. L M N pprox. Phone:

14 Q ILR USINS Q Style Idler ushings are used with products such as: sheaves, roller chain sprockets, synchronous belt sprockets and any item that accepts a Q Style ushing. Q ILR USIN (LL RIN) Q ILR USIN (NL RIN) pprox. pprox. S- 2 11/16 1 5/16 5/8 1 7/8 7/ S--7/ /16 1 5/16 7/16 1 7/8 7/ S--1/ /16 1 5/16 1/2 1 7/8 7/ SS- 3 1/8 1 5/16 5/8 2 3/16 7/ S- 3 1/8 1 13/16 5/8 2 3/16 7/ S- 3 7/8 1 15/16 3/4 2 13/16 9/16 3 S- 3 7/8 1 15/16 3/4 2 13/16 9/16 3 S-N 2 11/16 1 5/ /8 7/ SS-N 3 1/8 1 5/ /16 7/ S-N 3 1/8 1 13/ /16 7/ S-N 3 7/8 1 15/ /16 9/16 3 S-N 4 5/8 2 1/16 1½ 3 1/8 5/ N 6 2 3/4 1½ /8 14 ushings are furnished with bearings and fasteners. S- 4 5/8 2 1/ /8 5/ /4 1 3/ / /8 3 5/8 1 1/2 4 7/16 7/ ushings are furnished with bearings and fasteners. See page 24 for engineering specifications. *Q is a registered trademark of merson lectric. ++ omes with bolts and jam nuts. TPR ILR USINS Taper-Lock Style Idler ushings are used with products such as: sheaves, roller chain sprockets, synchronous belt sprockets and any item that accepts a Taper-Lock Style ushing. TPR ILR USIN (LL RIN) TPR ILR USIN (NL RIN) rewer pprox. rewer pprox /4 1 5/ /4 1 1/2 5/ /4 1 1/4 3/ x1 2 3/4 1 1/ /8 1 3/4 1 3 ushings are furnished with bearings and fasteners. See page 24 for engineering specifications. *Taper-Lock is a registered trademark of Rockwell utomation N / N /4 1 1/ N /4 1 1/ N /8 1 3/4 1 1/ ushings are furnished with bearings and fasteners Phone:

15 SPLIT TPR ILR USINS Split Taper TM Idler ushings are used with products such as: sheaves, roller chain sprockets, synchronous belt sprockets and any item that accepts a Split Taper TM Style ushing. Typical installation (bolt & nuts not included unless otherwise noted) SPLIT TPR TM STYL ILR USIN rowning - I1-1/2 2 1/2 1 1/4 1/2 1 5/8 1/4 1 P1- IP1-5/ /16 5/8 1 15/16 13/ / /16 3/4 2 5/8 1/2 2 Q1-3/4" IQ1-3/4 4 1/8 2 1/2 3/4 2 7/8 17/ Q1-1" IQ /8 2 1/ /8 17/ R1- IR1-1 1/2 5 3/8 2 7/8 1 1/2 4 5/8 8.7 *Split Taper is a Trademark of merson lectric. STMP STL ILRS pprox. STMP STL V-LT ILR PULLY elt Size pprox. Wt. VIP /2 3/8 23/ VIP /2 1/2 23/ VIP /2 5/8 23/ VIP /16 1/2 23/ VIP /16 5/8 23/ VIP /16 1/2 23/ VIP /16 5/8 23/ STMP STL LT LT ILR PULLY ace Width pprox. Wt. IP /16 4 3/4 1/2 23/ IP /16 4 3/4 5/8 23/ Phone:

16 STMP STL Idler Pulleys ZIN PLT stamped steel v-belt idler pulleys double row bearings auge VIP /4 *** 1 1/4 13 VIP /16 *** 1 1/4 13 VIP *** 1 1/4 13 *** refers to the bore diameter of the pulley. ll of these pulleys are available with 1/2", 5/8", and 3/4" bore diameters. ZIN PLT stamped steel flat flanged idler pulleys double row bearings IP *** 1 1/4 3 1/ * lange on one side only *** refers to the bore diameter of the pulley. ll of these pulleys are available with 1/2", 5/8", and 3/4" bore diameters. auge IP /4 *** 1 1/ IP /4 *** 1 1/ IP /4 *** 1 1/ IP *** 1 1/4 1 1/ *IP *** 1 1/ IP *** 1 1/ IP *** 1 1/ ZIN PLT stamped steel straight faced idler pulleys double row bearings SIP *** 1 1/4 13 SIP /4 5 *** 1 1/4 13 SIP /2 5 *** 1 1/4 13 SIP *** 1 1/4 13 SIP /4 5 *** 1 1/4 13 SIP /2 *** 1 1/4 13 SIP /4 6 1/2 *** 1 1/4 13 SIP /2 6 1/2 *** 1 1/4 13 SIP /2 *** 1 1/4 13 SIP /4 6 1/2 *** 1 1/4 13 SIP /2 6 1/2 *** 1 1/4 13 SIP *** 1 1/4 13 SIP /4 8 *** 1 1/4 13 SIP /2 8 *** 1 1/4 13 SIP *** 1 1/4 13 SIP /4 8 *** 1 1/4 13 SIP /2 8 *** 1 1/4 13 *** refers to the bore diameter of the pulley. ll of these pulleys are available with 1/2", 5/8", and 3/4" bore diameters. auge 14 Phone:

17 V-LT Idler Pulleys zinc plated v-belt idler pulleys Single Row earings elt Size vip a /2 3/ vip a /2 1/ vip a /2 5/ vip a / vip a / vip b / vip b / vip ab / vip ab / vip bc / vip bc / vip c /4 1/ vip c /4 5/ vip b /4 1/ vip b /4 5/ vip c /4 1/ vip c /4 5/ vip d /4 1/ vip d /4 5/ vip b /4 1/ vip b /4 5/ vip bc / vip bc / vip c / vip c / vip v 5V / vip v 5V / vip v 5V / vip v 5V / vip c / vip c / vip v 5V /2 1/ vip v 5V /2 5/ Idler Pulleys with double row bearings also available auge Phone:

18 LT LT Idler PULLYS zinc plated LT belt idler pulleys Single Row earings ace Width ace iameter fip /4" 3.38" / fip /4" 3.38" / fip /4" 4" /4 1/ fip /4" 4" /4 5/ fip " 4" /4 1/ fip " 4" /4 5/ fip " 5" /4 1/ fip " 5" /4 5/ fip " 5" /4 1/ fip " 5" /4 5/ fip " 5" /4 1/ fip " 5" /4 5/ fip " 5" /4 1/ fip " 5" /4 5/ fip /4" 5 1/2" /4 1/ fip /4" 5 1/2" /4 5/ fip " 5 1/2" /4 1/ fip " 5 1/2" /4 5/ fip ** 1 1/2" 6 1/2" /2 1/ fip ** 1 1/2" 6 1/2" /2 5/ fip /4" 6" /4 1/ fip /4" 6" /4 5/ fip " 6" /4 1/ fip " 6" /4 5/ fip " 6" /4 1/ fip " 6" /4 5/ fip " 7" /4 1/ fip " 7" /4 5/ fip " 8" /4 1/ fip " 8" /4 5/ fip /2" 8" / fip /2" 8" / fip " 8" / fip " 8" / fip /2" 11" / fip /2" 11" / ** lat ace; No lange Idler Pulleys with double row bearings also available ll parts can be converted to 5/8" bore by removing reducer bushing auge 16 Phone:

19 LT ILR PULLYS LT ILR PULLYS (NL RIN) rewer rowning (LT-in) P1-N P1 N41 4 1/2 1 7/ /16 1/16 1 1/2 1/8 3.0 P2-N P2 N42 4 1/2 2 7/ /16 1/16 2 1/2 1/8 4.6 P3-N P3 N43 4 1/2 3 7/ /16 1/16 3 1/2 1/8 5.8 P4-N P4 N / /2 1 1/8 4 1/ P6-N P6 N /4 1 1/ /4 1 7/8 5 1/ LT ILR PULLYS (LL RIN) rewer rowning (LT-in) P1- P1 4 1/2 1 7/16 5/ /16 1/16 1 3/4 1/4 3.2 P2- P2 4 1/2 2 7/16 5/ /16 1/16 2 3/4 1/4 4.3 P3- P3 4 1/2 3 7/16 5/ /16 1/16 3 3/4 1/4 5.0 P4- P /2 1 1/8 4 1/ P / /4 1 7/8 5 1/ LT ILR PULLYS (RONZ RIN) rewer rowning (LT-in) P1-R P1 4 1/2 1 7/ /16 1/16 1 1/2 1/8 3.3 P2-R P2 4 1/2 2 7/ /16 1/16 2 1/2 1/8 4.8 P3-R P3 4 1/2 3 7/ /16 1/16 3 1/2 1/8 6.0 pprox. pprox. pprox. Phone:

20 seamless flat faced idler pulleys SMLSS LT ILR PULLYS OUL ROW RINS SIP /2 4 1/2, 5/8, 3/4 1 1/4 SIP /4 4 1/2, 5/8, 3/4 1 1/4 SIP /2, 5/8, 3/4 1 1/4 SIP /4 4 1/2, 5/8, 3/4 1 1/4 SIP /2 4 1/2, 5/8, 3/4 1 1/4 SIP /4 4 1/2, 5/8, 3/4 1 1/4 SIP /2, 5/8, 3/4 1 1/4 SIP /4 4 1/2, 5/8, 3/4 1 1/4 SIP /2 5 1/2, 5/8, 3/4 1 1/4 SIP /4 5 1/2, 5/8, 3/4 1 1/4 SIP /2, 5/8, 3/4 1 1/4 SIP /4 5 1/2, 5/8, 3/4 1 1/4 SIP /2 5 1/2, 5/8, 3/4 1 1/4 SIP /4 5 1/2, 5/8, 3/4 1 1/4 SIP /2, 5/8, 3/4 1 1/4 SIP /2 5 1/2, 5/8, 3/4 1 1/ Phone:

21 SYNRONOUS LT ILRS T Idler Sprockets (all earing) POLY IN T 2 STYL ILR SPROTS Pitch/ elt Width (mm) Teeth I pprox. 29-8M-50 8/ /8 3/4 1/ M-85 8/ /2 3/4 1/ M-40 14/ /16 1 1/ M-55 14/ /8 1 1/ M-85 14/ /16 1 3/8 1/ M / /16 1 1/2 1/16 19 T is a registered trademark of ates. T Idler Sprockets (NL earing) Pitch/elt rewer I Width Teeth (mm) pprox 19-8M-30N 8/30 P19-8M /8 1 1/ M-50N 8/50 P29-8M /8 1 1/ M-85N 8/85 P29-8M /2 1 1/ M-40N 14/40 P27-14M /16 1 1/ M-55N 14/55 P27-14M /8 1 1/ M-85N 14/85 P27-14M /16 1 1/ M-115N 14/115 P31-14M /16 1 1/2 1/16 22 * vailable with bronze bearing upon request. ates elt Width (mm) of Teeth O.. Ref. Ref. Threads (UN) 8M-32S IL-SP / M-32S IL-SP / M-36S IL-SP / M-36S IL-SP / M-30S IL-SP M-30S IL-SP M-34S IL-SP M-34S IL-SP See page 26 for possible interchange exceptions. Poly hain and T are registered trademarks of ates. Ref. pprox. Phone:

22 PRISION ROUN ILR STS SO1- Thru SO6- N1- Thru N6- Idler Shafts - oarse Thread rewer rowning N1- SO-1 N1 1-1/16 1-1/2 1/2 3/8 7/16 3/8 x 16 T.16 N2- NO-2 N2 1 1/2 2-1/8 1 5/8 7/8 3/4 x 10 T.75 N3- NO-3 N3 2-1/2 3-1/ /8 7/8 3/4 x 10 T.95 pprox. N4- NO-4 N4 3-1/2 4-1/ /8 7/8 3/4 x 10 T 1.16 N5- N5 3-1/ /2 1-3/8 1-5/16 1 x 8 T 2.61 N6- N6 5-1/ /2 2-1/2 1-5/16 1 x 8 T 3.64 S01- SO1 N1 1-1/16 1-1/2 1/2 3/8 7/16 3/8 x 16 T.16 Idler Shafts - IN Thread rewer rowning SO2- SO-2 1-1/2 2-1/8 1 5/8 7/8 3/4 x 16 T.75 SO3- SO-3 2-1/2 3-1/ /8 7/8 3/4 x 16 T.95 pprox. SO4- SO-4 3-1/2 4-1/ /8 7/8 3/4 x 16 T 1.16 SO5- S / /2 1-3/8 1-5/16 1 x 14 T 2.61 SO6- S / /2 2-1/2 1-5/16 1 x 14 T 3.64 SO9* SO-9* Use with Tensioners that have the same hole specifications as column "". *vailable in made-to-order lengths. Shaft is ground but not hardened and includes set collar and grease zerk. Machined Shoulder Studs STU IMNSIONS Machine Shoulder Studs can be used with any idlers with a 1/2", 5/8", 3/4" or 1" bore and with any tensioner arm with same hole specifications as column "". rewer MSS-500 IS /2 1/2-13 1/2-13 5/8 1-1/2 3/4 1/4 1-3/4 2-1/ MSS-625 IS /8 1/2-13 5/ /16 1-5/16 1 1/4 1-9/16 2-9/ MSS-750 IS /8 3/4 5/8-11 3/ /16 1-3/8 1-3/16 3/8 1-3/4 2-15/ MSS IS /8 1/2 3/4-16 1/2-13 5/8 1-1/2 7/8 1/4 1-3/4 2-5/ MSS IS /8 5/8 3/4-16 5/ /16 1-5/16 7/8 1/4 1-9/16 2-7/ MSS IS /8 3/4 3/4-16 3/ /16 1-3/8 7/8 3/8 1-3/4 2-5/ MSS IS /8 5/8 3/4-16 5/ /16 2-1/2 7/8 1/4 2-3/4 3-5/ MSS IS /8 5/8 3/4-16 5/ /16 3-1/2 7/8 1/4 3-3/4 4-5/ MSS IS /8 5/8 3/4-16 5/ /16 4-1/2 7/8 1/4 4-3/4 5-5/ MSS-14-1 IS / /8 1-5/16 1/4 5-1/8 6-7/ MSS / /8 1-5/16 3/8 5-1/8 6-7/ I pprox Phone:

23 IRLSS RINOR PULLYS IRLSS RINOR NYLON PULLYS ON-PI, TRMOPLSTI ILR PULLYS RUN SMOOT, STY TOU, LST LONR Precision molded glass-reinforced nylon idlers ull corrosion resistant Resistant to oils, solvents and many acids as a lower coefficient of friction Runs cooler than steel Offers longer belt life and reduced maintenance Immune from the rivet fatigue and separation that often plague two piece metal pulleys vailable in a wide range of styles, sizes and colors Standard bearing number RS ll idlers molded concentric around bearings ±0.007 T.I.R. Used for lawn and garden equipment, motion control, fitness equipment, conveyors, and all other pulley applications OR PTR Number (mm) W (mm) pprox SOULR PTR LVIS PTR Number W (mm) pprox. S S S S S S S S S S S S S S S S ) Number W (mm) pprox Unless otherwise specified, all dimensions are in inches. imensions are subject to change without notice. or sizes not shown please call I-US at Phone:

24 IRLSS RINOR PULLYS IRLSS RINOR NYLON PULLYS V-LT ILR PULLYS Number (degrees) elt Size ore (mm) pprox. VIP VIP VIP VIP VIP VIP VIP VIP VIP VIP VIP & VIP VIP & VIP VIP & L ILR PULLYS Number (degrees) ia. ore (mm) pprox. IP / IP / IP / IP / IP / IP / IP / IP / IP / IP / IP / IP / Unless otherwise specified, all dimensions are in inches. imensions are subject to change without notice. or sizes not shown please call I-US at Phone:

25 IRLSS RINOR PULLYS IRLSS RINOR NYLON PULLYS LT LT ILR PULLYS Number rown ore (mm) pprox. IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP IP ROUN LT ILR PULLYS Number ore (mm) pprox. RIP R RIP R RIP R RIP R RIP R Unless otherwise specified, all dimensions are in inches. imensions are subject to change without notice. or sizes not shown please call I-US at Phone:

26 RIL LO PITY LL RIN OMPONNTS Q Style Idler ushings Radial load capacity in pounds, based on 2500 hours service life at RPM shown RPM S SS S S S S TPR-LO Style Idler ushings X SPLIT TPR Style Idler ushings P Q1-3/ Q R T Idler Sprockets 29-8M M M M M-85* M POLY IN T 2 Style elt Idler Sprockets 8M-32S M-32S M-36S M-36S M-30S M-30S M-34S M-34S NL RIN OMPONNTS ST LT ILR PULLYS Radial load capacity in pounds, based on 2500 hours service life at RPM shown RPM P P P P P Q Style Idler ushings S-N SS-N S-N S-N S-N N TPR-LO Style Idler ushings 1610-N N N T Idler Sprockets 19-8M-30N M-50N M-85N M-40N M-55N M-85N* M-115N ST LT ILR PULLYS P1-N P2-N P3-N P4-N P6-N Q is a registered trademark of merson lectric. Taper-Lock is a registered trademark of Rockwell utomation. T, Poly hain and T are registered trademarks of ates. Split Taper is a trademark of merson lectric. The trade names, trademarks and/or registered trademarks of others are used herein for product comparison purposes only, and are the property of their respective owners and are not owned or controlled by I-US. Radial loads are calculated by engineers from our bearing manufacturers. I-US does not represent or warrant the accuracy of this document. ompetitors' names and part numbers are used for comparison purposes only, I-US does not represent competitors named in this catalog Phone:

27 PRT NUMR INTRN I SLT RWR ROWNIN TS XPTIONS Idler Shafts (Including Set ollar and rease Zerk) I SLT RWR ROWNIN TS XPTIONS Idler ushings (all earing) continued SO1- SO1 Same SO2- SO2 Same SO3- SO3 Same Q1-3/4 IQ1-3/4 Q1-1 IQ1-1 olt and jam nuts not included olt and jam nuts not included SO4- SO4 Same SO5- SO5 Same SO6- SO6 Same N1- SO1 N1 Same N2- NO2 N2 Same N3- NO3 N3 Same N4- NO4 N4 Same N5- NO5 N5 Same N6- NO6 N6 Same Idler ushings (all earing) S- S- Same SS- SS- Same S- S- Same S- S- Same S- Same S- S- Same - Same - Same Same Same Same x 1 Same Same - I1-1/2 olt and jam nuts not included R1- IR1-1 1/2 Idler ushings (Needle earing) olt and jam nuts not included S-N S- Same SS-N SS- Same S-N S- Same S-N S- Same S-N S- Same 1610-N Same 1615-N Same 2012-N Same 2517-N Same lat aced Idlers (all earing) P1- P1 Same P2- P2 Same P3- P3 Same P4- P4 Same P6- P6 Same lat aced Idlers (Needle earing) P1-N P1 N41 Same P2-N P2 N42 Same P3-N P3 N43 Same P4-N P4 N64 Same P6-N P6 N66 Same P1- IP1-5/8 - N/ olt and jam nuts not included olt and jam nuts not included Phone:

28 PRT NUMR INTRN I SLT RWR ROWNIN TS XPTIONS lat aced Idlers (ronze earing) I SLT RWR ROWNIN TS XPTIONS Poly hain T 2 Style elt Idlers (all earing) P1 P1 Same 8M-32S-12- P2 P2 Same P3 P3 Same 8M-32S IL- SP2 21-IL- SP2 ub diameter/ flange thickness lange thickness Idler Sprockets (all earing) / Same / X5/8 Same / X5/8 Same 8M-36S-36-8M-36S-62-14M-30S IL- SP2 62-IL- SP2 20-IL- SP2 lange thickness lange thickness lange thickness / X5/8 Same / X3/4 Same Idler Sprockets (Needle earing) 14M-30S-37-14M-34S IL- SP2 68-IL- SP2 lange thickness lange thickness 25N N2519 ub diameter 14M-34S IL- SP2 lange thickness 35N N3513 ub diameter Single djusting Tensioner (Shaft Mounted) 35N N3519 ub diameter 41N N4119 ub diameter ST 3/8-16 S+SO1 STN1 ST 3/ N1- or SO1-40N N4019 ub diameter 50N N5017 ub diameter 60N N6017 ub diameter 60N N6017 ub diameter 80N N8013 ub diameter 100N N10011 ub diameter ST 1/2-13 ST Same ST 5/8-11 STP Same ST 3/4-10 M 3/4-10 STQ Same ST 3/4-16 M Same ST 1-8 STQ-1 Same ST 1-14 L Same T Idlers (Needle earing) 19-8M-30N P19-8M-30 ub diameter 29-8M-50N P29-8M-50 ub diameter 27-14M-40N P27-14M-40 ub diameter 27-14M-55N P27-14M-55 ub diameter 27-14M-85N P27-14M-85 ub diameter 31-14M-115N P31-14M-85 ub diameter 26 Phone:

29 PRT NUMR INTRN I SLT RWR ROWNIN TS XPTIONS ouble djustable Tensioner (ase Mounted) I SLT RWR ROWNIN TS XPTIONS Sliding Tensioner T 3/8-16 SS+S01 TN1 T 3/4-16 SM T 1-14 SL ixed ngle Tensioner 10-IL- R2 20-IL- R2 T 3/8-16 RS TN1 T 3/4-10 RM 3/4-10 T 3/ N1- or SO1- Same Same T 3/ N1- or SO1- TQ Same ST 3/8-16 LS Same ST 3/4-16 LM Same ST 1-14 LL Same eavy uty Tensioner 1 1 Same 2 2 Same 3 3 Same T 3/4-16 RM Same T 1-14 RL Same T 1-8 TQ-1 Same djustable ngle Tensioner T 3/4-16 RSM Same T 1-14 RSL Same ixed lange Tensioner T 3/8-16 S TN1 T 3/4-10 M 3/4-10 T 3/ N1- or SO1- TQ Same T 3/4-16 M Same T 1-14 L Same T 1-8 TQ-1 Same djustable lange Tensioner T 3/4-16 SM Same T 1-14 SL Same T 3/4-10 TQ olt holes and width T 1-8 TQ-1 Same djustable Screw Tensioner 4 4 Same VMT MVL Same MT ML Same SLT MSL Same utomatic Tensioner T TM loating Tensioner (for reversible drives) T XM Same Machined Shoulder Studs MSS-.500 IS-500 lack oxide MSS-.625 IS-625 lack oxide MSS-.750 IS-750 lack oxide MSS IS-165 lack oxide MSS IS-166 lack oxide MSS IS-167 lack oxide MSS IS-1662 lack oxide MSS IS-1663 lack oxide MSS IS-1664 lack oxide ST 3/8-16 S Same ST 3/4-16 M Same ST 1-14 L Same Phone:

30 general engineering information NLIS STNR MSURS Long Measures Square Measure 1 mile = 1760 yards = 5280 feet 1 square mile = 640 acres = 6400 square chains 1 yard = 3 feet = 36 inches 1 acre = 10 square chains = 4840 square yards = 43,560 square feet 1 foot = 12 inches 1 square rod = square yards = square feet = 625 square links 1 square yard = 9 square feet 1 square foot = 144 square inches n acre is equal to a square, the side of which is feet ry Measure 1 bushel (U.S. or Winchester struck bushel) = cubic foot = cubic inches 1 bushel = 4 pecks = 42 quarts = 64 pints 1 peck = 8 quarts = 16 pints 1 quart = 2 pints 1 heaped bushel = 1-1/4 struck bushel 1 cubic foot = struck bushel 1 ritish Imperial bushel = 8 Imperial gallons = cubic foot = cubic inches Liquid Measure 1 U.S. gallon = cubic foot = 231 cubic inches = 4 quarts = 8 pints 1 quart = 2 pints = 8 gills 1 pint = 4 gills 1 ritish Imperial gallon = U.S. gallons = cubic inches 1 cubic foot = 7.48 U.S. gallons 1 barrel = 31.5 U.S. gallons NRL NINRIN INORMTION MTRI SYSTM O MSURMNTS The principle units are the meter for length, the liter for capacity, and the gram for weight. The following prefixes are used for sub-divisions and multiples: milli = 1/1000; cent = 1/100; deci = 1/10; deca = 10; hecto=100; kilo = Measure of length 10 millimeters (mm) = 1 centimeter (cm) 10 decimeters = 1 meter (m) 10 centimeters = 1 decimeter (dm) 100 meters = 1 kilometer (km) Measures of 10 milligrams (mg) = 1 centigram (cg) 10 decagrams = 1 hectogram (hg) 10 centigrams = 1 decigram (dg) 10 hectogram = 1 kilogram (kg) 10 decigrams = 1 gram (g) 1000 kilograms = 1 (metric) ton (T) 10 grams = 1 decagram (dg) Square Measure ubic Measure 100 sq. millimeters (mm2) = 1 centigram (cg) 1000 cu. millimeters (mm3) = 1 cu. centimeter (cm3) 10 sq. centimeters = 1 sq. decimeter (dm2) 1000 cu. centimeters = 1 cu. decimeter (dm3) 100 sq. decimeters = 1 sq. meter (m2) 100 cu. decimeters = 1 cu. meter (m3) ry and Liquid Measure 10 millimeters (ml) = 1 centiliter (cl) 100 liters = 1 hectoliter (hl) 10 centiliters = 1 deciliter (dl) 1 liter = 1 cu. decimeter = the volume of 1 kg of pure water at a temperature of 39.2 degrees. Length onversion onstants for Metric and U.S. Units Millimeters x = inches Inches x = millimeters Meters x = inches Inches x.0254 = meters Meters x = feet eet x = meters Meters x = yards Yards x = meters ilometers x feet eet x = kilometers ilometers x = statute miles Statute miles x = kilometers ilometers x = nautical miles Nautical miles x = kilometers 28 Phone:

31 general engineering information ircular and ngular Measure 60 seconds ( ) = 1 minute( ) 60 minutes = 1 degree ( ) 360 degrees = 1 circumference () 57.3 degrees = 1 radian 2 p radians = 1 circumference () Temperature The following equations are useful for converting temperature from one system to another: = degrees ahrenheit; = degrees entigrade eg. = (eg. 32) x 5/9 eg. = (eg. x 9/5) + 32 voirdupois or ommercial 1 gross or long ton = 2240 pounds 1 net or short ton = 2000 pounds 1 pound = 16 ounces = 7000 grains 1 ounce = 16 drams = grains ubic Measure 1 cubic yard = 27 cubic feet 1 cubic foot = 1728 cubic inches The following measures are used for wood and masonry: 1 cord of wood = 4 x 4 x 8 feet = 128 cubic feet 1 perch of masonry = 16-1/2 x 1-1/2 x 1 foot = 24-3/4 cubic feet Shipping Measure or measuring entire internal capacity of a vessel: 1 registered ton = 100 cubic feet or Measurement of argo: 1 U.S. shipping ton = 40 cubic feet = U.S. bushels = Imperial bushels ritish shipping ton = 42 cubic feet = U.S. bushels = Imperial bushels onversion onstants for Metric and U.S. Units rams x 981 = dynes ynes x = grams rams x = grains rains x.0648 = grams rams x = ounces (vd.) Ounces (vd.) x = grams rams x = fluid ounces (water) luid ounces (Water) x = grams ilograms x ounces (vd.) Ounces (vd.) x kilograms ilograms x = pounds (vd.) Pounds (vd.) x = kilograms Metric tons (1000 kg) x = Net ton (2000 lbs.) Net ton (2000 lbs) x = metric tons (1000 kg) Metric tons (1000 kg) x = gross tons (2240 lbs.) ross ton (2240 lbs) x = Metric tons (1000 kg) rea onversion onstants for Metric and U.S. Units Square millimeters x = sq. inches Square centimeters x.155 = sq. inches Square meters x = sq. feet Square meters x = sq. yards ectares x = acres Square kilometers x = acres Square kilometers x.3861 = sq. miles Volume onversion onstants for Metric and U.S. Units ubic centimeters x = fluid ounces ubic centimeters x = cubic inches ubic centimeters x.271 = fluid drams Liters x = cubic inches Liters x = quarts Liters x = gallons Liters x = cubic feet ectoliters x = gallons ectoliters = cubic feet ectoliters x = bushel ectoliters x.1308 cubic yards ubic meters x = gallons ubic meters x = cubic feet ubic meters x = cubic yards Square inches x = sq. millimeters Square inches x = sq. centimeters Square feet x.0929 = sq. meters Square yards x = square meters cres x = hectares cres x = sq. kilometers Square miles x = sq. kilometers luid ounces x = cubic centimeters ubic inches x cubic centimeters luid drams x 3.69 = cubic centimeters ubic inches x = liters Quarts x = liters allons x = liters ubic feet x = liters allons x = hectoliters ubic feet x = hectoliters ushels x = hectoliters ubic yards x = hectoliters allons x = cubic meters ubic feet x = cubic meters ubic yards x.7645 = cubic meters Phone:

32 IN-MM ONVRSION RT OW TO US: To convert inches to mm, read across to the inch dimension and down to the fraction/decimal. The number shown where they intersect is its value in mm. or example, 2-1/4" = mm. inch raction ecimal mm / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / Phone:

33 NOTS Phone:

34 NOTS 32 Phone:

35 NOTS Phone:

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