| 型号 | 外形尺寸(mm) | |||
| d | D | B | rs min | |
| SR168 | 6.35 | 9.525 | 3.175 | 0.1 | SR168-2RS | 6.35 | 9.525 | 3.175 | 0.1 |
| SR168ZZ | 6.35 | 9.525 | 3.175 | 0.1 | SR188 | 6.35 | 12.7 | 3.175 | 0.15 |
| SR188-2RS | 6.35 | 12.7 | 4.763 | 0.15 | SR188ZZ | 6.35 | 12.7 | 4.763 | 0.15 |
| SR4 | 6.35 | 15.875 | 4.978 | 0.3 | SR4-2RS | 6.35 | 15.875 | 4.978 | 0.3 |
| SR4ZZ | 6.35 | 15.875 | 4.978 | 0.3 | SR4A | 6.35 | 19.05 | 5.558 | 0.4 |
| SR4A-2RS | 6.35 | 19.05 | 7.142 | 0.4 | SR4AZZ | 6.35 | 19.05 | 7.142 | 0.4 |
