External dimensions（mm)
| d | 170 |
| D | 240 |
| T | 55 |
| T3 | 58.7 |
| T4 | 65 |
γ
(minimum) | 1.5 |
Bearing code
Flat bottomed seat
loop type | 51234X |
Heart regulating ball
Face seat | 53234X |
Spherical seat
loop type | 53234XU |
size（mm)
| d1 | 237 |
| d1 | 173 |
| D2 | 200 |
| d3 | 250 |
| B | 21.5 |
| A | 91 |
| R | 180 |
Installation size(mm)
Da
(minimum） | 212 |
da
(maximum） | 198 |
γa
(maximum) | 1.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 7.41 |
Heart regulating ball
Facial shape | 8.21 |
Spherical seat
loop type | 10.5 |
describe
51234X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
