RU crossed roller bearing characteristics:
1. High precision: P4 precision, P2 precision.
2. High rigidity: This series of bearings have preload.
3. High load: This series of bearings can bear double-direction axial load, radial load and tilting moment.
4. Small size: This series of bearings can save space for machine tools.
RU series crossed roller bearing
(integrated inner and outer rings, high rigidity, with mounting holes)
This series of bearings has the mounting holes on the outer and inner rings, the mounting flange and the support base are not required during mounting of this series of bearings. In addition, since the outer and inner rings are integrated structures, the mounting is virtually no impact on its performance, and the stable running accuracy and torque can be obtained. This series of bearings is especially suitable for application with rotation of outer and inner rings.
Technical data
| Size | Main dimensions | Shoulde height | Basic load rating (radial） | weight | ||||||
| d | D | dp | width B B1 | Chamfer | ds | Dh | C | C0 | Kg | |
| (mm) | (mm) | (mm) | (mm) | (min) | KN | KN | ||||
| HRU42 | 20 | 70 | 41.5 | 12 | 0.6 | 37 | 47 | 7.35 | 8.35 | 0.29 |
| HRU66 | 35 | 95 | 66 | 15 | 0.6 | 59 | 74 | 17.5 | 22.3 | 0.62 |
| HRU85 | 55 | 120 | 85 | 15 | 0.6 | 79 | 93 | 20.3 | 29.5 | 1 |
| HRU 124(G) | 80 | 165 | 124 | 22 | 1 | 114 | 134 | 33.1 | 50.9 | 2.6 |
| HRU 124X | ||||||||||
| HRU148(G) | 90 | 210 | 147.5 | 25 | 1.5 | 133 | 162 | 49.1 | 76.8 | 4.9 |
| HRU 148X | ||||||||||
| HRU 178(G) | 115 | 240 | 178 | 28 | 1.5 | 161 | 195 | 80.3 | 135 | 6.8 |
| HRU 178X | ||||||||||
| HRU 228(G) | 160 | 295 | 227.5 | 35 | 2 | 208 | 246 | 104 | 172 | 11.4 |
| HRU 228X | ||||||||||
| HRU 297(G) | 210 | 380 | 297.3 | 40 | 2.5 | 272 | 320 | 156 | 281 | 21.3 |
| HRU 297X | ||||||||||
| HRU 445(G) | 350 | 540 | 445.4 | 45 | 2.5 | 417 | 473 | 222 | 473 | 35.4 |
| HRU 445X | ||||||||||
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