External dimensions（mm)
| D2 | 15 |
| d | 25 |
| D | 60 |
| t1 | 45 |
| T5 | 49.8 |
| T7 | 55 |
γ
(minimum) | 1 |
| γ1(minimum) | 0.6 |
Bearing code
Flat bottomed seat
loop type | 52405 |
Heart regulating ball
Facial shape | 54405 |
Spherical seat
loop type | 54405U |
size（mm)
| d3 | 60 |
| d1 | 27 |
| D2 | 42 |
| d3 | 62 |
| T2 | 28 |
| T6 | 30.4 |
| T8 | 33 |
| B | 11 |
| B | 8 |
| A1 | 15 |
| R | 50 |
Installation size(mm)
da
(maximum） | 42 |
γa
(maximum) | 1 |
γb
(maximum) | 0.6 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 0.641 |
Heart regulating ball
Facial shape | 0.68 |
Spherical seat
loop type | 0.825 |
describe
52405 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
