External dimensions（mm)
| d | 300.038 |
| D | 422.275 |
| T | 82.55 |
| B | 82.55 |
| C | 63.5 |
Inner ring
γ(minimum) | 6.4 |
Outer Ring
γ(minimum) | 3.3 |
Rated speed min-1
| grease | HM256849 |
| oil | HM256810 |
Bearing code
| Inner ring | 337 |
| Outer Ring | 317 |
Installation size (mm)
| da | 395 |
| db | 411 |
| da | 6.4 |
| db | 3.3 |
| Inner circle γa（maximum） | 76.7 |
| Outer circle γa（maximum） | 0.34 |
Location of
action point(mm)
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
