| 型号 | 外形尺寸(mm) | |||
| d | D | B | rs min | |
| 6918-2RS | 90 | 125 | 18 | 1.1 | 6918-2RSC3 | 90 | 125 | 18 | 1.1 |
| 6918-RS | 90 | 125 | 18 | 1.1 | 6918-RSC3 | 90 | 125 | 18 | 1.1 |
| 6919-2RS | 95 | 130 | 18 | 1.1 | 6919-2RSC3 | 95 | 130 | 18 | 1.1 |
| 6919-RS | 95 | 130 | 18 | 1.1 | 6919-RSC3 | 95 | 130 | 18 | 1.1 |
| 6920-2RS | 100 | 140 | 20 | 1.1 | 6920-2RSC3 | 100 | 140 | 20 | 1.1 |
| 6920-RS | 100 | 140 | 20 | 1.1 | 6920-RSC3 | 100 | 140 | 20 | 1.1 |
