External dimensions（mm)
| D2 | 60 |
| d | 75 |
| D | 135 |
| t1 | 79 |
| T5 | 87.2 |
| T7 | 95 |
γ
(minimum) | 1.5 |
| γ1(minimum) | 1 |
Bearing code
Flat bottomed seat
loop type | 52315 |
Heart regulating ball
Facial shape | 54315 |
Spherical seat
loop type | 54315U |
size（mm)
| d3 | 135 |
| d1 | 77 |
| D2 | 105 |
| d3 | 140 |
| T2 | 48.5 |
| T6 | 52.6 |
| T8 | 56.5 |
| B | 18 |
| B | 15 |
| A1 | 32.5 |
| R | 100 |
Installation size(mm)
da
(maximum） | 105 |
γa
(maximum) | 1.5 |
γb
(maximum) | 1 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 4.74 |
Heart regulating ball
Facial shape | 5.14 |
Spherical seat
loop type | 6.38 |
describe
52315 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
