External dimensions（mm)
| d | 85 |
| D | 150 |
| T | 49 |
| T3 | 53.1 |
| T4 | 58 |
γ
(minimum) | 1.5 |
Bearing code
Flat bottomed seat
loop type | 51317 |
Heart regulating ball
Face seat | 53317 |
Spherical seat
loop type | 53317U |
size（mm)
| d1 | 150 |
| d1 | 88 |
| D2 | 115 |
| d3 | 155 |
| B | 17.5 |
| A | 43 |
| R | 112 |
Installation size(mm)
Da
(minimum） | 124 |
da
(maximum） | 111 |
γa
(maximum) | 1.5 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 3.57 |
Heart regulating ball
Facial shape | 3.78 |
Spherical seat
loop type | 4.67 |
describe
51317 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
