External dimensions（mm)
| d | 23.812 |
| D | 56.896 |
| T | 19.368 |
| B | 19.837 |
| C | 15.875 |
Inner ring
γ(minimum) | 0.8 |
Outer Ring
γ(minimum) | 1.3 |
Bearing code
| Inner ring | 1779 |
| Outer Ring | 1729 |
Installation size (mm)
| da | 29.5 |
| db | 28.5 |
| da | 49 |
| db | 51 |
| Inner circle γa（maximum） | 0.8 |
| Outer circle γa（maximum） | 1.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.143 |
| Outer Ring | 0.102 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
