| 型号 | 基本尺寸(mm) | |||
| 圆柱孔 | 圆锥孔 | d | D | B |
| 21305 CA/W33 | 21305 CAK/W33 | 25 | 62 | 17 | 21305 CC/W33 | 21305 CCK/W33 | 25 | 62 | 17 |
| 21305 MB/W33 | 21305 MBK/W33 | 25 | 62 | 17 | 21306 CA/W33 | 21306 CAK/W33 | 30 | 72 | 19 |
| 21306 CC/W33 | 21306 CCK/W33 | 30 | 72 | 19 | 21306 MB/W33 | 21306 MBK/W33 | 30 | 72 | 19 |
| 21307 CA/W33 | 21307 CAK/W33 | 35 | 80 | 21 | 21307 CC/W33 | 21307 CCK/W33 | 35 | 80 | 21 |
| 21307 MB/W33 | 21307 MBK/W33 | 35 | 80 | 21 | 21308 CA/W33 | 21308 CAK/W33 | 40 | 90 | 23 |
| 21308 CC/W33 | 21308 CCK/W33 | 40 | 90 | 23 | 21308 E | 21308 EK | 40 | 90 | 23 |
