External dimensions（mm)
| d | 228.6 |
| D | 488.95 |
| T | 123.825 |
| B | 111.125 |
| C | 73.025 |
Inner ring
γ(minimum) | 6.4 |
Outer Ring
γ(minimum) | 6.4 |
Rated speed min-1
| grease | HH949549 |
| oil | HH949510 |
Bearing code
| Inner ring | 307 |
| Outer Ring | 264 |
Installation size (mm)
| da | 420 |
| db | 470 |
| da | 6.4 |
| db | 6.4 |
| Inner circle γa（maximum） | 166.5 |
| Outer circle γa（maximum） | 0.94 |
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
