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 RU178
| 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 | ||
| RU178(G) | 115 | 240 | 178 | 28 | 3.1 | 1.5 | 161 | 195 | 80.3 | 135 | 139 | 12-ф9 throug ф14 counterbore depth 8.6 | 217 | 12-ф9 throug ф14 counterbore depth 8.6 | 6.8 |
| RU178X | 12-M8 through | ||||||||||||||
More information ,pls contact us .