RU special type is a bearing with integrated inner- and outer ring. It is being used in cases where high rotational accuracy of both the inner- and outer rings is required. Rolling and Plain bearings,accessories RU series, without gear teeth,Sealed on both sides.
Series Models:
RU42,RU66,RU85(G)(X),RU124(G)(X),RU148(G)(X),RU178(G)(X),RU228(G)(X),
RU297(G)(X),RU445(G)(X)
Description of Cross Roller Bearings holes
No symbol: counterbore holes of the inner and outer rings face the same direction
G: counterbore holes of the inner and outer rings face opposite directions
X: tapped hole on the inner ring (through hole)
Variety choose
Precision can be P5 P4 P2,clearance can be CCO or CO
If you want anti-rust ,pls contact us
Note: CRBF series structure and parameters same as our Ru series ,if need special ,pls contact us .
Main Parameters for RU445
| Bearings Model | Boundary Dimensions | Shoulder height | Basic load rating（radial） | Relation between the mounting holes | Weight | ||||||||||
| ID | OD | PCD | B | Oil hole | rmin | Inner ring | Outer ring | ||||||||
| d | D | dp | B | d1 | ds | Dh | Cr/kN | Cor/kN | PCD1 | mounting holes | PCD2 | mounting holes | kg | ||
| RU297(G) | 210 | 380 | 297.3 | 40 | 6 | 2.5 | 272 | 320 | 156 | 281 | 240 | 16-ф14 throug ф20 counterbore depth 13 | 350 | 16-ф14 throug ф20 counterbore depth 13 | 21.3 |
| RU297X | 16-M12 through | ||||||||||||||
| RU445(G) | 350 | 540 | 445.4 | 45 | 6 | 2.5 | 417 | 473 | 222 | 473 | 385 | 24-ф14 throug ф20 counterbore depth 13 | 505 | 24-ф14 throug ф20 counterbore depth 13 | 35.4 |
| RU445X | 24-M12 through | ||||||||||||||
