External dimensions（mm)
| D2 | 95 |
| d | 110 |
| D | 160 |
| t1 | 67 |
| T5 | 71.4 |
| T7 | 81 |
γ
(minimum) | 1.1 |
| γ1(minimum) | 1 |
Bearing code
Flat bottomed seat
loop type | 52222 |
Heart regulating ball
Facial shape | 54222 |
Spherical seat
loop type | 54222U |
size（mm)
| d3 | 160 |
| d1 | 113 |
| D2 | 135 |
| d3 | 165 |
| T2 | 41 |
| T6 | 43.2 |
| T8 | 48 |
| B | 15 |
| B | 14 |
| A1 | 62 |
| R | 125 |
Installation size(mm)
da
(maximum） | 135 |
γa
(maximum) | 1 |
γb
(maximum) | 1 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 4.39 |
Heart regulating ball
Facial shape | 4.83 |
Spherical seat
loop type | 5.94 |
describe
52222 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
