External dimensions（mm)
| D2 | 160 |
| d | 190 |
| D | 270 |
| t1 | 109 |
| T5 | 116.4 |
| T7 | 131 |
γ
(minimum) | 2 |
| γ1(minimum) | 2 |
Bearing code
Flat bottomed seat
loop type | 52238X |
Heart regulating ball
Facial shape | 54238X |
Spherical seat
loop type | 54238XU |
size（mm)
| d3 | 269 |
| d1 | 194 |
| D2 | 230 |
| d3 | 280 |
| T2 | 66.5 |
| T6 | 70.2 |
| T8 | 77.5 |
| B | 24 |
| B | 23 |
| A1 | 93.5 |
| R | 200 |
Installation size(mm)
da
(maximum） | 230 |
γa
(maximum) | 2 |
γb
(maximum) | 2 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 22.1 |
Heart regulating ball
Facial shape | 22.2 |
Spherical seat
loop type | 29.8 |
describe
52238X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
