External dimensions（mm)
| d | 33.338 |
| D | 66.675 |
| T | 20.638 |
| B | 20.638 |
| C | 15.875 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 1.5 |
Bearing code
| Inner ring | 1680 |
| Outer Ring | 1620 |
Installation size (mm)
| da | 44.5 |
| db | 38.5 |
| da | 58 |
| db | 61 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 1.5 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.196 |
| Outer Ring | 0.121 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
