Products

BRS High Rigidity Cross Roller Bearing THK RU series(with Mounting Holes)

RU crossed roller bearing has a compact inner/outer ring, so it can provide high stiffness and high rotation accuracy. And with mounting holes on the inner and outer ring, RU face-mount cross roller rings’ installation does not require a presser flange or housing. It’s suitable for both inner-ring rotation and outer-ring rotation applications.

cross roller bearing internal structure

RU Series Crossed Roller Ring Features

1. Sustain radial, axial, and moment loads at the same time.

2. High rigidity & running accuracy, being less subject to the mounting procedure. Bearings precision can reach to P5/P4/P2 and even USP grade.

3. Space-saving. As face mount crossed roller bearing, RU series bearings can be bolted onto the equipment without housing or fixing plates.

4. Custom design cross roller bearing is also available. BRS can produce face-mount crossed roller bearing with a bore diameter from 10mm to 350mm.

RU Cross Roller Bearing Running Accuracy Test:

cross roller bearing QC-BRS Bearing

Applications

Joint units of robots, precision rotary table, hollow rotating platforms, radar, precision measuring instruments, etc.

RU Crossed Roller Bearing Models (Catalog Downloads)

Part NO. Dimension(mm) Mounting(mm) Base Load Ratings(kN) Mass (kg) Equivalent Model
Open Type Sealed Type d D B PCD1 PCD2 Cr Cor
RU28 RU28UU 10 52 8 16 42 2.9 2.4 0.12 CRBF108ATUU
RU42 RU42UU 20 70 12 28 57 7.35 8.35 0.29 CRBF2012ATUU
RU66 RU66UU 35 95 15 45 83 17.5 22.3 0.62 CRBF3515ATUU
RU85 RU85UU 55 120 15 65 105 20.3 29.5 1 CRBF5515ATUU
RU124 RU124UU 80 165 22 97 148 33.1 50.9 2.6 CRBF8022AUU
RU124(G) RU124(G)UU 80 165 22 97 148 33.1 50.9 2.6 CRBF8022ADUU
RU124X RU124XUU 80 165 22 97 148 33.1 50.9 2.6 CRBF8022ATUU
RU148 RU148UU 90 210 25 112 187 49.1 76.8 4.9 CRBF9025A
RU148(G) RU148(G)UU 90 210 25 112 187 49.1 76.8 4.9 CRBF9025AD
RU148X RU148XUU 90 210 25 112 187 49.1 76.8 4.9 CRBF9025AT
RU178 RU178UU 115 240 28 139 217 80.3 135 6.8 CRBF11528A
RU178(G) RU178(G)UU 115 240 28 139 217 80.3 135 6.8 CRBF11528AD
RU178X RU178XUU 115 240 28 139 217 80.3 135 6.8 CRBF11528AT
RU228(G) RU228(G)UU 160 295 35 184 270 104 173 11.4 /
RU228X RU228XUU 160 295 35 184 270 104 173 11.4 /
RU297X RU297XUU 210 380 40 240 350 156 281 21.3 /
RU297(G) RU297(G)UU 210 380 40 240 350 156 281 21.3 /
RU445(G) RU445(G)UU 350 540 45 385 505 222 473 35.4 /
RU445X RU445XUU 350 540 45 385 505 222 473 35.4 /