External dimensions（mm)
| d | 73.025 |
| D | 149.225 |
| T | 53.975 |
| B | 54.229 |
| C | 44.45 |
Inner ring
γ(minimum) | 3.5 |
Outer Ring
γ(minimum) | 3.3 |
Bearing code
| Inner ring | 6460 |
| Outer Ring | 6420 |
Installation size (mm)
| da | 93 |
| db | 87 |
| da | 129 |
| db | 140 |
| Inner circle γa（maximum） | 3.5 |
| Outer circle γa（maximum） | 3.3 |
Location of
action point(mm)
weight（kg）
（refer to）
| Inner ring | 2.8 |
| Outer Ring | 1.63 |
describe
Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
