| Fersa | 内直径(mm) | 外径(mm) | T(毫米) | 重量(Kg) |
|---|---|---|---|---|
| HK 3020 | 30.00 | 37.00 | 20.00 | 0.04 |
| HK 3520 | 35.00 | 42.00 | 20.00 | 0.04 |
| HK 4012 | 40.00 | 47.00 | 12.00 | 0.03 |
| HK 4020 | 40.00 | 47.00 | 20.00 | 0.05 |
| HK 6020 | 60.00 | 68.00 | 20.00 | 0.08 |
| HK2016 | 20.00 | 26.00 | 16.00 | 0.02 |
| HMK 2830 | 28.00 | 37.00 | 30.00 | 0.07 |
| HMK 4040 | 40.00 | 50.00 | 40.00 | 0.15 |
| HN 2820 | 28.00 | 35.00 | 20.00 | 0.04 |
| JH 2020 | 31.75 | 41.28 | 31.75 | 0.08 |
| K45-50-17 | 45.00 | 50.00 | 17.00 | 0.04 |
| KR 30 PP | 12.00 | 30.00 | 14.00 | 0.09 |
| KR 40 PP | 18.00 | 40.00 | 20.00 | 0.23 |
| NA 4904 | 20.00 | 37.00 | 17.00 | 0.08 |
| NA 4904 2RS | 20.00 | 37.00 | 17.00 | 0.08 |
| NA 69/22 | 22.00 | 39.00 | 30.00 | 0.15 |
| NA 69/28 | 28.00 | 45.00 | 30.00 | 0.19 |
| NA 69/32 | 32.00 | 52.00 | 36.00 | 0.30 |
| NA 6914 | 70.00 | 100.00 | 54.00 | 1.34 |
| NB-101 | 17.00 | 24.00 | 17.40 | 0.02 |