6311 deo bearing 55X120X29mm chrome steel ,deep groove ball bearing, china bearing
| d | 55 |
| D | 120 |
| B | 29 |
| r | 2 |
| Cr | 71.6 |
| Cor | 45.0 |
| Grease | 5600 |
| Oil | 6700 |
| Bearing Designation | 6311 |
| da | 64 |
| Da | 111 |
| ra | 2 |
| Mass(kg) | 1.37 |
characteristic :
Deep groove ball bearings which can not be dismantled can bear both axial and radial loading with a high rotation speed. The closed bearing help the bearing save maintenance and make the structure easy.
our advantage:
1.own factory
2.large stock
3.high quality and advantage price