External dimensions（mm)
| d | 50 |
| D | 82.55 |
| T | 21.59 |
| B | 22.225 |
| C | 16.51 |
Inner ring
γ(minimum) | 0.5 |
Outer Ring
γ(minimum) | 1.3 |
Bearing code
| Inner ring | *LM104947A |
| Outer Ring | LM104911 |
Installation size (mm)
| da | 55 |
| db | 55 |
| da | 75 |
| db | 78 |
| Inner circle γa（maximum） | 0.5 |
| Outer circle γa（maximum） | 1.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 0.316 |
| Outer Ring | 0.133 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
