External dimensions（mm)
| d | 260 |
| D | 360 |
| T | 79 |
| T3 | 82.8 |
| T4 | 93 |
γ
(minimum) | 2.1 |
Bearing code
Flat bottomed seat
loop type | 51252X |
Heart regulating ball
Face seat | 53252X |
Spherical seat
loop type | 53252XU |
size（mm)
| d1 | 355 |
| d1 | 264 |
| D2 | 305 |
| d3 | 370 |
| B | 30 |
| A | 152 |
| R | 280 |
Installation size(mm)
Da
(minimum） | 319 |
da
(maximum） | 301 |
γa
(maximum) | 2 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 25.1 |
Heart regulating ball
Facial shape | 27.3 |
Spherical seat
loop type | 33.2 |
describe
51252X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
