External dimensions（mm)
| d | 320 |
| D | 440 |
| T | 95 |
| T3 | 100.5 |
| T4 | 112 |
γ
(minimum) | 3 |
Bearing code
Flat bottomed seat
loop type | 51264X |
Heart regulating ball
Face seat | 53264X |
Spherical seat
loop type | 53264XU |
size（mm)
| d1 | 435 |
| d1 | 325 |
| D2 | 380 |
| d3 | 450 |
| B | 36 |
| A | 157 |
| R | 320 |
Installation size(mm)
Da
(minimum） | 391 |
da
(maximum） | 369 |
γa
(maximum) | 2.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 45 |
Heart regulating ball
Facial shape | 49.9 |
Spherical seat
loop type | 59.4 |
describe
51264X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
