External dimensions（mm)
| d | 76.2 |
| D | 177.8 |
| T | 55.562 |
| B | 50.8 |
| C | 34.925 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Bearing code
| Inner ring | 9378 |
| Outer Ring | 9320 |
Installation size (mm)
| da | 105 |
| db | 98 |
| da | 148 |
| db | 164 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 3.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 3.71 |
| Outer Ring | 2.24 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
