External dimensions（mm)
| d | 57.15 |
| D | 104.775 |
| T | 30.162 |
| B | 30.958 |
| C | 23.812 |
Inner ring
γ(minimum) | 0.8 |
Outer Ring
γ(minimum) | 0.8 |
Bearing code
| Inner ring | 45289 |
| Outer Ring | 45221 |
Installation size (mm)
| da | 65 |
| db | 65 |
| da | 95 |
| db | 99 |
| Inner circle γa（maximum） | 0.8 |
| Outer circle γa（maximum） | 0.8 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.76 |
| Outer Ring | 0.35 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
