External dimensions（mm)
| D2 | 55 |
| d | 65 |
| D | 115 |
| t1 | 65 |
| T5 | 71.8 |
| T7 | 79 |
γ
(minimum) | 1.1 |
| γ1(minimum) | 0.6 |
Bearing code
Flat bottomed seat
loop type | 52313 |
Heart regulating ball
Facial shape | 54313 |
Spherical seat
loop type | 54313U |
size（mm)
| d3 | 115 |
| d1 | 67 |
| D2 | 90 |
| d3 | 120 |
| T2 | 40 |
| T6 | 43.4 |
| T8 | 47 |
| B | 15 |
| B | 12.5 |
| A1 | 34.5 |
| R | 90 |
Installation size(mm)
da
(maximum） | 90 |
γa
(maximum) | 1 |
γb
(maximum) | 0.6 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 2.8 |
Heart regulating ball
Facial shape | 3.06 |
Spherical seat
loop type | 3.8 |
describe
52313 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
