External dimensions（mm)
| d | 41.275 |
| D | 76.2 |
| T | 25.4 |
| B | 23.02 |
| C | 20.638 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 2.3 |
Bearing code
| Inner ring | 24780 |
| Outer Ring | 24721 |
Installation size (mm)
| da | 54 |
| db | 47 |
| da | 66 |
| db | 72 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 2.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.279 |
| Outer Ring | 0.189 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
