Products

BRS High Rigidity Cross Roller Bearing THK RA series(Ultra-thin type)

RA cross roller ring has integrated inner ring and separable outer ring, sharing the same structure with RB crossed roller bearing except it’s ultra-thin. Suited for inner ring rotation, and applications where light weight, compact design are required.

RA Series Crossed Roller Bearing Features

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

2. High rigidity & running accuracy

3. Ultra-thin type, light weight

Applications

Industrial robots, manipulators, medical equipments, measuring instruments, etc.

RA Crossed Roller Bearing Models

Part NO. Dimension(mm) Base Load Ratings(kN) Mass (kg) Equivalent Model
d D B Cr Cor
RA5008 50 66 8 5.1 7.19 0.08 CRBS508
RA6008 60 76 8 5.68 8.68 0.09 CRBS608
RA7008 70 86 8 5.98 9.8 0.1 CRBS708
RA8008 80 96 8 6.37 11.3 0.11 CRBS808
RA9008 90 106 8 6.76 12.4 0.12 CRBS908
RA10008 100 116 8 7.15 13.9 0.14 CRBS1008
RA11008 110 126 8 7.45 15 0.15 CRBS1108
RA12008 120 136 8 7.84 16.5 0.17 CRBS1208
RA13008 130 146 8 7.94 17.6 0.18 CRBS1308
RA14008 140 156 8 8.33 19.1 0.19 CRBS1408
RA15008 150 166 8 8.82 20.6 0.2 CRBS1508
RA16013 160 186 13 23.3 44.9 0.56 CRBS16013
RA17013 170 196 13 23.5 46.5 0.64 CRBS17013
RA18013 180 206 13 24.5 49.8 0.68 CRBS18013
RA19013 190 216 13 24.9 51.5 0.69 CRBS19013
RA20013 200 226 13 25.8 54.7 0.71 CRBS20013