External dimensions（mm)
| d | 34.976 |
| D | 80 |
| T | 21.006 |
| B | 20.94 |
| C | 15.875 |
Inner ring
γ(minimum) | 1.5 |
Outer Ring
γ(minimum) | 1.5 |
Bearing code
| Inner ring | 28138 |
| Outer Ring | 28315 |
Installation size (mm)
| da | 43.5 |
| db | 41 |
| da | 69 |
| db | 73 |
| Inner circle γa（maximum） | 1.5 |
| Outer circle γa（maximum） | 1.5 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.308 |
| Outer Ring | 0.199 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
