External dimensions（mm)
| d | 100 |
| D | 210 |
| T | 85 |
| T3 | 90 |
| T4 | 98 |
γ
(minimum) | 3 |
Bearing code
Flat bottomed seat
loop type | 51420X |
Heart regulating ball
Face seat | 53420X |
Spherical seat
loop type | 53420XU |
size（mm)
| d1 | 205 |
| d1 | 103 |
| D2 | 155 |
| d3 | 220 |
| B | 27 |
| A | 50 |
| R | 160 |
Installation size(mm)
Da
(minimum） | 165 |
da
(maximum） | 145 |
γa
(maximum) | 2.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 14.8 |
Heart regulating ball
Facial shape | 15 |
Spherical seat
loop type | 18.1 |
describe
51420X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
