External dimensions（mm)
| D2 | 20 |
| d | 25 |
| D | 47 |
| t1 | 28 |
| T5 | 31.4 |
| T7 | 36 |
γ
(minimum) | 0.6 |
| γ1(minimum) | 0.3 |
Bearing code
Flat bottomed seat
loop type | 52205 |
Heart regulating ball
Facial shape | 54205 |
Spherical seat
loop type | 54205U |
size（mm)
| d3 | 47 |
| d1 | 27 |
| D2 | 36 |
| d3 | 50 |
| T2 | 17.5 |
| T6 | 19.2 |
| T8 | 21.5 |
| B | 7 |
| B | 5.5 |
| A1 | 16.5 |
| R | 40 |
Installation size(mm)
da
(maximum） | 36 |
γa
(maximum) | 0.6 |
γb
(maximum) | 0.3 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 0.213 |
Heart regulating ball
Facial shape | 0.236 |
Spherical seat
loop type | 0.293 |
describe
52205 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
