External dimensions（mm)
| d | 77.788 |
| D | 127 |
| T | 30.162 |
| B | 31 |
| C | 22.225 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Bearing code
| Inner ring | 42690 |
| Outer Ring | 42620 |
Installation size (mm)
| da | 91 |
| db | 85 |
| da | 114 |
| db | 121 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 3.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.976 |
| Outer Ring | 0.438 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
