External dimensions（mm)
| d | 90 |
| D | 190 |
| T | 77 |
| T3 | 81.2 |
| T4 | 88 |
γ
(minimum) | 2.1 |
Bearing code
Flat bottomed seat
loop type | 51418X |
Heart regulating ball
Face seat | 53418X |
Spherical seat
loop type | 53418XU |
size（mm)
| d1 | 187 |
| d1 | 93 |
| D2 | 140 |
| d3 | 195 |
| B | 25.5 |
| A | 40 |
| R | 140 |
Installation size(mm)
Da
(minimum） | 149 |
da
(maximum） | 131 |
γa
(maximum) | 2 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 10.2 |
Heart regulating ball
Facial shape | 10.3 |
Spherical seat
loop type | 12.4 |
describe
51418X Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
