| 止动环 Snapring | 内径 d3 | 剖面 b | 厚度 s | 松弛转速 n= |
| WR160 | 155.7 | 4 | 2.5 | 545 | WR165 | 160.7 | 4 | 2.5 | 500 |
| WR170 | 165.6 | 4 | 2.5 | 470 | WR175 | 170.6 | 4 | 2.5 | 430 |
| WR180 | 175.2 | 5 | 3 | 600 | WR185 | 180.1 | 5 | 3 | 590 |
| WR190 | 185.1 | 5 | 3 | 550 | WR195 | 190.1 | 5 | 3 | 510 |
| WR200 | 195 | 5 | 3 | 480 | WR210 | 204.9 | 5 | 3 | 420 |
| WR220 | 214.8 | 5 | 3 | 380 | WR225 | 219.8 | 5 | 3 | 360 |
