| 型号1) | 基本尺寸(mm) | |||
| 通用配组轴承 | 基本设计轴承 | d | D | B |
| *7309BECBM | - | 45 | 100 | 25 | *7210BECBP | - | 50 | 90 | 20 |
| - | 7210BEP | 50 | 90 | 20 | 7210BECBY | 7210BEY | 50 | 90 | 20 |
| *7210BECBM | - | 50 | 90 | 20 | *7310BECBP | - | 50 | 110 | 27 |
| - | 7310BEP | 50 | 110 | 27 | 7310BECBY | 7310BEY | 50 | 110 | 27 |
| *7310BECBM | - | 50 | 110 | 27 | 7211BECBP | 7211BEP | 55 | 100 | 21 |
| 7211BECBY | 7211BEY | 55 | 100 | 21 | 7211BECBM | - | 55 | 100 | 21 |