| 止动环 Snapring | 内径 d3 | 剖面 b | 厚度 s | 松弛转速 n= |
| WR100 | 97 | 3.4 | 2.5 | 1560 | WR105 | 101.7 | 3.4 | 2.5 | 1390 |
| WR110 | 106.6 | 3.4 | 2.5 | 1240 | WR115 | 111.6 | 3.4 | 2.5 | 1100 |
| WR120 | 116.5 | 3.4 | 2.5 | 1000 | WR125 | 121.4 | 3.4 | 2.5 | 920 |
| WR130 | 126.3 | 3.4 | 2.5 | 830 | WR135 | 131 | 3.4 | 2.5 | 830 |
| WR140 | 135.9 | 4 | 2.5 | 760 | WR145 | 140.9 | 4 | 2.5 | 690 |
| WR150 | 145.8 | 4 | 2.5 | 640 | WR155 | 150.8 | 4 | 2.5 | 590 |
