External dimensions（mm)
| d | 209.55 |
| D | 333.375 |
| T | 69.85 |
| B | 69.85 |
| C | 52.388 |
Inner ring
γ(minimum) | 6.4 |
Outer Ring
γ(minimum) | 6.4 |
Rated speed min-1
| grease | HM743345 |
| oil | HM743310 |
Bearing code
| Inner ring | 247 |
| Outer Ring | 227 |
Installation size (mm)
| da | 302 |
| db | 322 |
| da | 6.4 |
| db | 6.4 |
| Inner circle γa（maximum） | 71.3 |
| Outer circle γa（maximum） | 0.44 |
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
