| 型号 | 内径(d) | 外径(D) | 宽度(B) | 密封类型 |
| R133ZZ | 2.38 | 4.763 | 2.38 | 金属密封 | R144 | 3.175 | 6.35 | 2.38 | 开式 |
| R1442RS | 3.175 | 6.35 | 2.779 | 橡胶密封 | R144ZZ | 3.175 | 6.35 | 2.779 | 金属密封 |
| R2 | 3.175 | 9.525 | 3.967 | 开式 | R2-2RS | 3.175 | 9.525 | 3.967 | 橡胶密封 |
| R2ZZ | 3.175 | 9.525 | 3.967 | 金属密封 | R2-5 | 3.175 | 7.938 | 2.779 | 开式 |
| R2-5-2RS | 3.175 | 7.938 | 3.571 | 橡胶密封 | R2-5-ZZ | 3.175 | 7.938 | 3.571 | 金属密封 |
| R2-6 | 3.175 | 9.525 | 2.779 | 开式 | R2-6-2RS | 3.175 | 9.525 | 3.571 | 橡胶密封 |