External dimensions（mm)
| d | 66.675 |
| D | 122.238 |
| T | 38.1 |
| B | 38.354 |
| C | 29.718 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Bearing code
| Inner ring | HM212049 |
| Outer Ring | HM212011 |
Installation size (mm)
| da | 81 |
| db | 74 |
| da | 108 |
| db | 116 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 3.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 1.25 |
| Outer Ring | 0.598 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
