External dimensions（mm)
| d | 150 |
| D | 300 |
| T | 120 |
| T3 | 125.9 |
| T4 | 140 |
γ
(minimum) | 4 |
Bearing code
Flat bottomed seat
loop type | 51430X |
Heart regulating ball
Face seat | 53430X |
Spherical seat
loop type | 53430XU |
size（mm)
| d1 | 295 |
| d1 | 153 |
| D2 | 225 |
| d3 | 310 |
| B | 41 |
| A | 69 |
| R | 225 |
Installation size(mm)
Da
(minimum） | 238 |
da
(maximum） | 212 |
γa
(maximum) | 3 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 43.5 |
Heart regulating ball
Facial shape | 43.8 |
Spherical seat
loop type | 51.9 |
describe
51430X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
