External dimensions（mm)
| d | 65 |
| D | 115 |
| T | 36 |
| T3 | 39.4 |
| T4 | 43 |
γ
(minimum) | 1.1 |
Bearing code
Flat bottomed seat
loop type | 51313 |
Heart regulating ball
Face seat | 53313 |
Spherical seat
loop type | 53313U |
size（mm)
| d1 | 115 |
| d1 | 67 |
| D2 | 90 |
| d3 | 120 |
| B | 12.5 |
| A | 38.5 |
| R | 90 |
Installation size(mm)
Da
(minimum） | 95 |
da
(maximum） | 85 |
γa
(maximum) | 1 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 1.54 |
Heart regulating ball
Facial shape | 1.67 |
Spherical seat
loop type | 2.04 |
describe
51313 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
