External dimensions（mm)
| d | 90 |
| D | 147 |
| T | 40 |
| B | 40 |
| C | 32.5 |
Inner ring
γ(minimum) | 7 |
Outer Ring
γ(minimum) | 3.5 |
Bearing code
| Inner ring | *HM218248 |
| Outer Ring | **HM218210 |
Installation size (mm)
| da | 111 |
| db | 98 |
| da | 133 |
| db | 141 |
| Inner circle γa（maximum） | 7 |
| Outer circle γa（maximum） | 3.5 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 1.77 |
| Outer Ring | 0.796 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
