External dimensions（mm)
| D2 | 30 |
| d | 35 |
| D | 62 |
| t1 | 34 |
| T5 | 37.8 |
| T7 | 42 |
γ
(minimum) | 1 |
| γ1(minimum) | 0.3 |
Bearing code
Flat bottomed seat
loop type | 52207 |
Heart regulating ball
Facial shape | 54207 |
Spherical seat
loop type | 54207U |
size（mm)
| d3 | 62 |
| d1 | 37 |
| D2 | 48 |
| d3 | 65 |
| T2 | 21 |
| T6 | 22.9 |
| T8 | 25 |
| B | 8 |
| B | 7 |
| A1 | 21 |
| R | 50 |
Installation size(mm)
da
(maximum） | 48 |
γa
(maximum) | 1 |
γb
(maximum) | 0.3 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 0.406 |
Heart regulating ball
Facial shape | 0.447 |
Spherical seat
loop type | 0.57 |
describe
52207 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
