6. TSUBAKI Ball screw series for general industry. Features of the series. Ball screw
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1 6. TSUBAKI Ball screw series for general industry Features of the series Short delivery, low price Short delivery due to mass production by rolled forming and abundant stocks. The prices are greatly lower compared with precision ball screws. High accuracy Lead accuracy is equivalent to JIS B1192 C10 class. Please refer to lead accuracy chart of below C7 class (Page A 21) High stiffness RR series have the axial clearance "ZERO" type. Anti-rust & lubricating effect R, RS, R2, RR, RZ and RE series nuts are phosphating treated which gives anti-rust and lubricating effect. (RZ series is not treated). High reliability You can always use in relief this series based on our rational designing, advanced working technique and consistent controlled management from selected materials to delivery. Enhanced Parts Fully variety of the standard parts, such as flange for nut installation, brush wiper and wiper cap for R, RS and RR series, are available. 207 Abundant standard series and high generalities R series millimeter size 36 types R series inch size 4 types RS series 28 types RZ series 3 types RR series 19 types R2 series 8 types RE series 7 types Right and left series 6 types G series 14 types Abundant line-up of 166 types in total and wide range shaft 8-315mm. Dust proof measures (option) The ball screw is quite precise parts as same as the bearing which works by rolling of the balls. When the foreign substance invades into the ball nut, it may cause the lifetime decrease, noise generation, increase of the rotating torque and destruction of the ball circulating parts etc. In the environment which the invasion of the foreign articles into the ball nut is not avoidable, some dustproof measures for ball screw are definitely necessary. Please take consideration of prevention the foreign articles from adhering on the screw shaft, by attaching bellows or the telescopic type cover. In case dustproof cover cannot be attached, you may have dustproof effect by using the brush wiper installed in both ends of the ball nut. Please consult us.
2 Combinations of shaft and lead (Mark has both of right-hand and the left-hand screw). Shaft Lead Unit:mm Ball screw Specification Lead accuracy Lead accuracy is JIS B1192 C10 class equivalent. Please refer to page A21 about Under C7 Class. Axial clearance Please refer to dimension tables of each series. Nominal No. Nut type Shaft length Class symbol Flange symbol Brush seal symbol 25RC HR F W 36RSC HR W 16R2U HR 45RRD HR 208
3 Dimension table of Brush wiper Some types of brush wipers are not furnished in both ends of the nut due to the constructional problem. Please confirm the applied type, referring to this page and next page. Nut type Wiper A B 12RA8 12RSA8 W R2U12 14RB4 14RSB4 14RRB4 W RB5 14RSB5 14RRB5 15R2A10 15RE2D20 16RB5 W RSB5 16RRB5 16RZ3S5 16RA10 16RSA10 16R2U16 16RE1Q32 18RB8 W RSB8 W RRB8 20RB5 20RSB5 20RRB5 20RB5L 20RSB5L W RC6 20RSC6 20RRC6 20R2U20 20RE1Q40 20RA10 20RSA10 22RC8 W RSC8 22RRC8 25RA5 W RSA5 25RB8 W RSB8 25RRB8 25RC10 25RSC10 25RRC10 25R2U25 25RE1Q50 28RC6 W RSC6 28RRC6 W Nut type Wiper A B 32RC8 32RSC8 32RRC8 32RC10 32RSC10 32R2U32 36RC10 W RSC10 36RRC10 36RC12 36RSC12 36RRC12 36R2U36 35RE3D20 36RE3D24 40RD10 W RSD10 40RRD10 40R2U40 40RZ4S10 45RD10 W RSD10 45RRD10 45RD12 45RSD12 45RRD12 45RD12L 45RSD12L 50RD10 W RSD10 50RE2D50 50RC16 W RSC16 50RRC16 60RD16 W05001 W RL10 63RRL W RZ6S10 63RD16 80RL16 80RL20 80RRL20 80RD20 W RL20 W RD24 W R2B12.7 W RB5.08 W RB6.35 W RD6.35 W Snap ring Brush wiper Mounting stand Ball nut Note 1: No mark : With built-in brush wiper at nut installation side and with wiper cap or built-in brush wiper at opposite side. Mark :For attaching brush wiper at nut-installation side, you are requested to design the structure to maintain brush wiper, referring to the nut dimension table. Mark : For attaching brush wipers at both side of nut, please design the structure to maintain brush wiper, referring to the nut dimension table Mark : For attaching brush wiper at anti-nut-installation side, please design the structure to maintain brush wiper, referring to the nut dimension table. 2.For the ball screws not entioned in the column of nut model of the table, we don't have brush wipers to be applied in our standard parts, but we may produce applied wiper as a special specification. Please consult us. 209
4 Wiper cap dimension table Please note that brush-wiper cap can be attached at anti-nut-installation side only. Nut type Wiper C D 12RA8 S RSA8 12R2U12 S RB4 14RSB4 14RRB4 S RB5 14RSB5 14RRB5 16RB5 16RSB5 16RRB5 S RZ3S5 16RA10 16RSA10 16R2U16 S RB8 18RSB8 18RRB8 20RB5 S RSB5 20RRB RB5L S RSB5L 20RC6 20RSC6 20RRC6 20R2U20 S RA10 S RSA10 22RC RSC8 S RRC8 25RA5 25RSA5 25RB8 S RSB8 25RRB8 25RC10 S RSC10 S RRC R2U25 S RC6 28RSC6 28RRC6 32RC8 S RSC8 32RRC8 32RC10 32RSC10 S Nut type Wiper C D 32R2U32 S RC10 36RSC10 36RRC10 S RC12 36RSC12 36RRC12 36R2U36 S RD10 40RSD10 S RRD R2U40 S RD10 45RSD10 45RRD10 45RD12 45RSD12 45RRD12 45RD12L 45RSD12L 12.7R2B12.7 S04501 S RB5.08 S RB6.35 S RD6.35 S RD10 50RSD10 50RC16 50RSC16 50RRC16 60RD16 63RL10 63RRL10 63RD16 80RL16 80RL20 80RRL20 80RD20 100RL20 100RD24 Built-in brush wiper at both ends of nut is available Seal cap (round type) Ball nut Seal cap (square type) Ball nut Brush wiper Brush wiper Note 1. No Mark : For attaching brush wiper at installation side of the nut, please design at your side the structure to maintain brush wiper, referring to the brush wiper dimension table. Mark : Brush wiper is built in at nut-installation side. 2. We don't have any applied optional brush wipers for ball screw not mentioned in the column of nut model of the table Ball screw 210
5 R series (mm size) Lead 3 ~ 8 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 3 10RB3L 10RB RB RB RB RB5L 20RB RA RA RC RC RA RB RC RB RC
6 Nut dimension Shaft max length Flange D1 L T G P J W H R A D2 F Nominal M F RB3L 10RB M F RB M F RB M F RB M F RB5L 20RB M F RA M F RA M F RC M F RC M F RA M F RB M F RC M F RB M F RC8 Note 1.Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2.Mark of L shown at end of the ball screw type means left hand thread. 3.Upon your request, the oil hole in the flange can be drilled. 4.Please refer to the page A209 for the applied brush wiper. 212
7 R series (mm size) Lead 10 ~ 24 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) RA RA RC RC RC RD RD RD RL RC RD12L 45RD RC RD RD RL RD RL RL RD
8 Nut dimension Shaft max length Flange D1 L T G P J W H R A D2 F Nominal M F RA M F RA M F RC M F RC M F RC M F RD M F RD M F RD M F RL M F RC M F RD12L 45RD M F RC M F RD M F RD M F RL RD20 M F RL M F RL M F RD24 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Mark of L shown at end of the ball screw type means left hand thread. 3. Upon your request, the oil hole in the flange can be drilled. 4. For ball screw bigger than Φ80mm, a notch on the nut for a spanner is available. 5. As the nut of 60RD16, 80RD20 and 100RD24 are semi-standard types, please consult us in advance, when you require. 6. Please refer to the page A209 for the applied brush wiper. 214
9 R2 series (mm size) Lead 10 ~ 40 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 10 15R2A R2U R2U R2U R2U R2U R2U R2U
10 15R2A10 Model Ball screw Nut dimension Shaft max length D1 D2 L F P J W H R Z A M R2A M R2U M R2U M R2U M R2U M R2U PT1/ R2U M R2U40 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. It is possible to install the wiper, if required. 3. Please refer to the page A209 for the applied brush wiper. 216
11 RE series (High lead, high speed type) Lead 20 ~ 50 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 20 15RE2D RE3D RE3D RE1Q RE1Q RE1Q RE2D
12 Nut dimension Shaft max length D1 D2 L K F P J Z A M RE2D RE3D RE3D M RE1Q M RE1Q M RE1Q PT1/ RE2D50 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 218
13 RS series Lead 3 ~ 8 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 3 10RSB3L 10RSB RSB RSB RSB RSB5L 20RSB RSA RSA RSC RSC RSA RSB RSC RSB RSC
14 Nut dimension Shaft max length D1 D2 L F P J W H R A RSB3L 10RSB RSB RSB RSB RSB5L 20RSB RSA RSA RSC RSC RSA RSB RSC RSB RSC8 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Mark of L shown at end of the ball screw type means left hand thread. 3. Upon your request, the oil hole in the flange can be drilled. 4. Please refer to the page A209 for the applied brush wiper. 220
15 RS series Lead 10 ~ 16 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 16RSA RSA RSC RSC RSC RSD RSD RSD RSC RSD12L 45RSD RSC
16 Nut dimension Shaft max length D1 D2 L F P J W H R A RSA RSA RSC RSC RSC RSD RSD RSD RSC RSD12L 45RSD RSC16 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Mark of L shown at end of the ball screw type means left hand thread. 3. Upon your request, the oil hole in the flange can be drilled. 4. Please refer to the page A209 for the applied brush wiper. 222
17 RR series (Constant-pressure preload) Lead 4 ~ 20 Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co 4 14RRB RRB RRB RRB RRC RRC RRB RRC RRB RRC RRC RRC RRD RRD RRL RRC RRD RRC RRL
18 Nut dimension Flange Shaft max length D1 L T G P J W H R D2 F Nominal A M F RRB M F RRB M F RRB M F RRB M F RRC M F RRC M F RRB M F RRC M F RRB M F RRC M F RRC M F RRC M F RRD M F RRD M F RRL M F RRC M F RRD M F RRC M F RRL20 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Total nut length may be slightly changed by pre-load adjustment. 3. Upon your request, the oil hole in the flange can be drilled. 4. For 80RRL20, a notch on the nut for a spanner is available. 5. Please refer to the page A209 for the applied brush wiper. 224
19 R series (Inch series) Lead 5.08 ~ 12.7 mm Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) R2B RB RB RB
20 Nut dimension Flange Shaft max length D1 L T G P J W H R D2 F Nominal A /16-16UN F R2B /16-16UN F RB UNS F RB UNS F RB6.35 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Upon your request, the oil hole in the flange can be drilled. 3. For 12.7R2B12.7, relief of H is requested. 4. Please refer to the page A209 for the applied brush wiper. 226
21 RZ series (Return cap type) Lead 5 ~ 10 mm Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 5 16RZ3S RZ4S RZ6S
22 Nut dimension Shaft max length D1 D2 L F P J A RZ3S RZ4S RZ6S10 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Total nut length may be slightly changed by pre-load adjustment. 3. Upon your request, the oil hole in the flange can be drilled. 228
23 Right + left one shaft series (Lead 3 ~ 12) Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 3 10RB3RL RB5RL RD12RL
24 Nut dimension Incomplete thread Shaft max length D1 L T G W H R B A M RB3RL M RB5RL M RD12RL Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 230
25 Right + left one shaft series Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) 3 10RSB3RL RSB5RL RSD12RL
26 Nut dimension Incomplete thread Shaft max length D1 D2 L F P J W H R B A RSB3RL RSB5RL RSD12RL Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 232
27 G series Lead 20 ~ 40 mm Lead Screw d0 Root dr Ball Dw Ball circle Dpw Effective tums m dynamic load Ca static load Co Axial clearance (mm) GFL GFL GFL GFO GFL GFL GFL GFO GFO GFL GFL GFL GFL GFO
28 Nut dimension Shaft max length D1 D2 L F P J W H A GFL GFL GFL GFO GFL GFL GFL GFO GFO GFL GFL GFL GFL GFO40 Note 1. Rated dynamic load Ca is specified with life expectancy based on 10 6 revolution. 2. Upon your request, the oil hole in the flange can be drilled. 234
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