External dimensions（mm)
| D2 | 55 |
| d | 65 |
| D | 100 |
| t1 | 47 |
| T5 | 50.4 |
| T7 | 57 |
γ
(minimum) | 1 |
| γ1(minimum) | 0.6 |
Bearing code
Flat bottomed seat
loop type | 52213 |
Heart regulating ball
Facial shape | 54213 |
Spherical seat
loop type | 54213U |
size（mm)
| d3 | I100 |
| d1 | 67 |
| D2 | 82 |
| d3 | 105 |
| T2 | 28.5 |
| T6 | 30.2 |
| T8 | 33.5 |
| B | 10 |
| B | 9 |
| A1 | 38.5 |
| R | 80 |
Installation size(mm)
da
(maximum） | 82 |
γa
(maximum) | 1 |
γb
(maximum) | 0.6 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 1.34 |
Heart regulating ball
Facial shape | 1.45 |
Spherical seat
loop type | 1.81 |
describe
52213 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
