External dimensions（mm)
| d | 263.525 |
| D | 355.6 |
| T | 57.15 |
| B | 57.15 |
| C | 44.45 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Rated speed min-1
| grease | LM451345 |
| oil | LM451310 |
Bearing code
| Inner ring | 290 |
| Outer Ring | 276 |
Installation size (mm)
| da | 335 |
| db | 348 |
| da | 3.5 |
| db | 3.3 |
| Inner circle γa（maximum） | 62.4 |
| Outer circle γa（maximum） | 0.36 |
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
