External dimensions（mm)
| d | 190 |
| D | 270 |
| T | 62 |
| T3 | 65.7 |
| T4 | 73 |
γ
(minimum) | 2 |
Bearing code
Flat bottomed seat
loop type | 51238X |
Heart regulating ball
Face seat | 53238X |
Spherical seat
loop type | 53238XU |
size（mm)
| d1 | 267 |
| d1 | 194 |
| D2 | 230 |
| d3 | 280 |
| B | 23 |
| A | 98 |
| R | 200 |
Installation size(mm)
Da
(minimum） | 238 |
da
(maximum） | 222 |
γa
(maximum) | 2 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 11.8 |
Heart regulating ball
Facial shape | 12.9 |
Spherical seat
loop type | 15.7 |
describe
51238X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
