External dimensions（mm)
| D2 | 40 |
| d | 50 |
| D | 95 |
| t1 | 58 |
| T5 | 64.6 |
| T7 | 70 |
γ
(minimum) | 1.1 |
| γ1(minimum) | 0.6 |
Bearing code
Flat bottomed seat
loop type | 52310 |
Heart regulating ball
Facial shape | 54310 |
Spherical seat
loop type | 54310U |
size（mm)
| d3 | 95 |
| d1 | 52 |
| D2 | 72 |
| d3 | 100 |
| T2 | 36 |
| T6 | 39.3 |
| T8 | 42 |
| B | 14 |
| B | 11 |
| A1 | 23 |
| R | 72 |
Installation size(mm)
da
(maximum） | 72 |
γa
(maximum) | 1 |
γb
(maximum) | 0.6 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 1.78 |
Heart regulating ball
Facial shape | 1.94 |
Spherical seat
loop type | 2.46 |
describe
52310 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
