External dimensions（mm)
| d | 55 |
| D | 78 |
| T | 16 |
| T3 | — |
| T4 | — |
γ
(minimum) | 0.6 |
Bearing code
Flat bottomed seat
loop type | 51111 |
Heart regulating ball
Face seat | — |
Spherical seat
loop type | — |
size（mm)
| d1 | 78 |
| d1 | 57 |
| D2 | — |
| d3 | — |
| B | — |
| A | — |
| R | — |
Installation size(mm)
Da
(minimum） | 69 |
da
(maximum） | 64 |
γa
(maximum) | 0.6 |
weight(kg)(refer to)
Flat bottomed seat
loop type | 0.227 |
Heart regulating ball
Facial shape | — |
Spherical seat
loop type | — |
describe
51111 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
