External dimensions（mm)
| d | 41.275 |
| D | 82.55 |
| T | 26.543 |
| B | 25.654 |
| C | 20.193 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Bearing code
| Inner ring | M802048 |
| Outer Ring | M802011 |
Installation size (mm)
| da | 57 |
| db | 51 |
| da | 70 |
| db | 79 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 3.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.406 |
| Outer Ring | 0.23 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
