External dimensions（mm)
| d | 300 |
| D | 420 |
| T | 95 |
| T3 | 100.5 |
| T4 | 112 |
γ
(minimum) | 3 |
Bearing code
Flat bottomed seat
loop type | 51260X |
Heart regulating ball
Face seat | 53260X |
Spherical seat
loop type | 53260XU |
size（mm)
| d1 | 415 |
| d1 | 304 |
| D2 | 360 |
| d3 | 430 |
| B | 34 |
| A | 164 |
| R | 320 |
Installation size(mm)
Da
(minimum） | 371 |
da
(maximum） | 349 |
γa
(maximum) | 2.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 43.5 |
Heart regulating ball
Facial shape | 47.7 |
Spherical seat
loop type | 56.1 |
describe
51260X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
