| 型号 | 外形尺寸 (mm) | |||
| d (in) | d | D (in) | D | |
| SR133-2SRS | 3/32 | 2.381 | 3/16 | 4.763 | SR144-2SRS | 1/8 | 3.175 | 1/4 | 6.35 |
| SR1-4-2SRS | 5/64 | 1.984 | 1/4 | 6.35 | SR1-5-2SRS | 3/32 | 2.381 | 5/16 | 7.938 |
| SR156-2SRS | 3/16 | 4.763 | 5/16 | 7.938 | SR155-2SRS | 5/32 | 3.969 | 5/16 | 7.938 |
| SR166-2SRS | 3/16 | 4.763 | 3/8 | 9.525 | SR168-2SRS | 1/4 | 6.35 | 3/8 | 9.525 |
| SR188-2SRS | 1/4 | 6.35 | 1/2 | 12.7 | SR188-ZZ | 1/4 | 6.35 | 1/2 | 12.7 |
| SR168-ZZ | 1/4 | 6.35 | 3/8 | 9.525 | SR166-ZZ | 3/16 | 4.763 | 3/8 | 9.525 |
