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RU cross roller bearing

RU does not require a presser flange of housing. The model can be used for both inner ring rotation and outer ring rotation.



Type Boundary dimensions (mm) Mounting hole dimensions (mm)
Inner diameter Outer diameter Width Outer ring
d D B PCD1 Mounting hole
RU1008 10 52 8 42 6-φ3.4 through hole, φ6.5 counter hole depth 3.3
RU2012 20 70 12 57 6-φ3.4 through hole, φ6.5 counter hole depth 3.3
RU2512 25 80 12 67 6-φ3.4 through hole, φ6.5 counter hole depth 3.3
RU3515 35 95 15 83 8-φ4.5 through hole, φ8 counter hole depth 4.4
RU5515 55 120 15 105 8-φ5.5 through hole, φ9.5 counter hole depth 5.4
RU8022 80 165 22 148 10-φ5.5through hole, φ9.5 counter hole depth 5.4
RU8022G 80 165 22 148 10-φ5.5through hole, φ9.5 counter hole depth 5.4
RU8022X 80 165 22 148 10-φ5.5through hole, φ9.5 counter hole depth 5.4
RU9025 90 210 25 187 12-φ9 through hole, φ14 counter hole depth 8.6
RU9025G 90 210 25 187 12-φ9 through hole, φ14 counter hole depth 8.6
RU9025X 90 210 25 187 12-φ9 through hole, φ14 counter hole depth 8.6
RU11528 115 240 28 217 12-φ9 through hole, φ14 counter hole depth 8.6
RU11528G 115 240 28 217 12-φ9 through hole, φ14 counter hole depth 8.6
RU11528X 115 240 28 217 12-φ9 through hole, φ14 counter hole depth 8.6
RU16035 160 295 35 270 12-φ11 through hole, φ17.5 counter hole depth 10.8
RU16035G 160 295 35 270 12-φ11 through hole, φ17.5 counter hole depth 10.8
RU16035X 160 295 35 270 12-φ11 through hole, φ17.5 counter hole depth 10.8
RU21040 210 380 40 350 16-φ14 through hole, φ20 counter hole depth13
RU21040G 210 380 40 350 16-φ14 through hole, φ20 counter hole depth13
RU21040X 210 380 40 350 16-φ14 through hole, φ20 counter hole depth13
RU35045 350 540 40 505 24-φ14 through hole, φ20 counter hole depth 13
RU35045G 350 540 45 505 24-φ14 through hole, φ20 counter hole depth 13
RU35045X 350 540 45 505 24-φ14 through hole, φ20 counter hole depth 13




Mounting hole dimensions (mm) Rated loading (kN) weight equivalent
Inner ring 
PCD2 Mounting hole C Co kg THK IKO
16 4-M3 2.91 2.43 0.12
CRBF108AT
28 6-M3 7.35 8.35 0.29 RU42 CRBF2012AT
35 6-M3 8.61 10.6 0.4
CRBF2512AT
45 8-M4 17.5 22.3 0.66 RU66 CRBF3515AT
65 8-M5 20.3 29.5 1 RU85 CRBF5515AT
97 10-φ5.5 through hole, φ9.5 counter hole depth 5.4 33.1 50.9 2.6 RU124 CRBF8022A
97 10-φ5.5 through hole, φ9.5 counter hole depth 5.4 33.1 50.9 2.6 RU124G CRBF8022AD
97 10-M5 33.1 50.9 2.6 RU124X CRBF8022AT
112 12-φ9 through hole, φ14 counter hole depth 8.6 49.1 76.8 4.9 RU148
112 12-φ9 through hole, φ14 counter hole depth 8.6 49.1 76.8 4.9 RU148G
112 12-M8 49.1 76.8 4.9 RU148X
139 12-φ9 through hole, φ14 counter hole depth 8.6 80.3 135 6.8 RU178
139 12-φ9 through hole, φ14 counter hole depth 8.6 80.3 135 6.8 RU178G
139 12-M8 80.3 135 6.8 RU178X
184 12-φ11 through hole, φ17.5 counter hole depth 10.8 104 173 11.4 RU228
184 12-φ11 through hole, φ17.5 counter hole depth 10.8 104 173 11.4 RU228G
184 12-M10 104 173 11.4 RU228X
240 16-φ14 through hole, φ20 counter hole depth 13 156 281 21.3 RU297
240 16-φ14 through hole, φ20 counter hole depth 13 156 281 21.3 RU297G
240 16-M12 156 281 21.3 RU297X
385 24-φ14 through hole, φ20 counter hole depth 13 222 473 35.4 RU445
385 24-φ14 through hole, φ20 counter hole depth 13 222 473 35.4 RU445G
385 24-M12 222 473 35.4 RU445X

 

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