External dimensions（mm)
| D2 | 70 |
| d | 85 |
| D | 125 |
| t1 | 55 |
| T5 | 59.2 |
| T7 | 67 |
γ
(minimum) | 1 |
| γ1(minimum) | 1 |
Bearing code
Flat bottomed seat
loop type | 52217 |
Heart regulating ball
Facial shape | 54217 |
Spherical seat
loop type | 54217U |
size（mm)
| d3 | 125 |
| d1 | 88 |
| D2 | 105 |
| d3 | 130 |
| T2 | 33.5 |
| T6 | 35.6 |
| T8 | 39.5 |
| B | 12 |
| B | 11 |
| A1 | 49.5 |
| R | 100 |
Installation size(mm)
da
(maximum） | 105 |
γa
(maximum) | 1 |
γb
(maximum) | 1 |
weight（kg）
（refer to）
Flat bottomed seat
loop type | 2.26 |
Heart regulating ball
Facial shape | 2.45 |
Spherical seat
loop type | 3.02 |
describe
52217 Bearings are mainly used in industries such as construction machinery, machine tools, automobiles, metallurgy, mining, petroleum, machinery, electricity, and railways
