External dimensions（mm)
| d | 19.05 |
| D | 53.975 |
| T | 22.225 |
| B | 21.839 |
| C | 15.875 |
Inner ring
γ(minimum) | 1.5 |
Outer Ring
γ(minimum) | 2.3 |
Bearing code
| Inner ring | 21075 |
| Outer Ring | 21212 |
Installation size (mm)
| da | 31.5 |
| db | 26 |
| da | 43 |
| db | 50 |
| Inner circle γa（maximum） | 1.5 |
| Outer circle γa（maximum） | 2.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.156 |
| Outer Ring | 0.097 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
