External dimensions（mm)
| d | 340 |
| D | 460 |
| T | 96 |
| T3 | 100.3 |
| T4 | 113 |
γ
(minimum) | 3 |
Bearing code
Flat bottomed seat
loop type | 51268X |
Heart regulating ball
Face seat | 53268X |
Spherical seat
loop type | 53268XU |
size（mm)
| d1 | 455 |
| d1 | 345 |
| D2 | 400 |
| d3 | 470 |
| B | 36 |
| A | 199 |
| R | 360 |
Installation size(mm)
Da
(minimum） | 411 |
da
(maximum） | 389 |
γa
(maximum) | 2.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 47.9 |
Heart regulating ball
Facial shape | 52.7 |
Spherical seat
loop type | 62 |
describe
51268X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
