External dimensions（mm)
| D2 | 25 |
| d | 30 |
| D | 60 |
| t1 | 38 |
| T5 | 41.2 |
| T7 | 46 |
γ
(minimum) | 1 |
| γ1(minimum) | 0.3 |
Bearing code
Flat bottomed seat
loop type | 52306 |
Heart regulating ball
Facial shape | 54306 |
Spherical seat
loop type | 54306U |
size（mm)
| d3 | 60 |
| d1 | 32 |
| D2 | 45 |
| d3 | 62 |
| T2 | 23.5 |
| T6 | 25.1 |
| T8 | 27.5 |
| B | 9 |
| B | 7 |
| A1 | 19.5 |
| R | 50 |
Installation size(mm)
da
(maximum） | 45 |
γa
(maximum) | 1 |
γb
(maximum) | 0.3 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 0.483 |
Heart regulating ball
Facial shape | 0.511 |
Spherical seat
loop type | 0.621 |
describe
52306 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
