External dimensions（mm)
| d | 100 |
| D | 155 |
| T | 36 |
| B | 35 |
| C | 28 |
Inner ring
γ(minimum) | 3 |
Outer Ring
γ(minimum) | 2.5 |
Bearing code
| Inner ring | ▲JM 720249 |
| Outer Ring | ▲JM 720210 |
Installation size (mm)
| da | 115 |
| db | 109 |
| da | 140 |
| db | 149 |
| Inner circle γa（maximum） | 3 |
| Outer circle γa（maximum） | 2.5 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 1.68 |
| Outer Ring | 0.772 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
