| 型号 | 外形尺寸 (mm) | |||
| d (in) | d | D (in) | D | |
| SR1-ZZ | 0.055 | 1.397 | 3/16 | 4.763 | SR2-2SRS | 1/8 | 3.175 | 3/8 | 9.525 |
| SR2-5-2SRS | 1/8 | 3.175 | 5/16 | 7.938 | SR2-6-2SRS | 1/8 | 3.175 | 3/8 | 9.525 |
| SR2A-2SRS | 1/8 | 3.175 | 1/2 | 12.7 | SR3A-2SRS | 3/16 | 4.763 | 5/8 | 15.875 |
| SR3-2SRS | 3/16 | 4.763 | 1/2 | 12.7 | SR4-2SRS | 1/4 | 6.35 | 5/8 | 15.875 |
| SR4A-2SRS | 1/4 | 6.35 | 3/4 | 19.05 | SR6-2SRS | 3/8 | 9.525 | 7/8 | 22.225 |
| SR0-2SRS | 3/64 | 1.191 | 5/32 | 3.969 | SR1-2SRS | 0.055 | 1.397 | 3/16 | 4.763 |
