| Fersa | 内直径(mm) | 外径(mm) | T(毫米) | 重量(Kg) |
|---|---|---|---|---|
| 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 |
| NB-102 | 63.66 | 71.66 | 19.50 | - |
| NB-103R | 18.00 | 24.00 | 12.00 | 0.01 |
| NB-104 | 17.03 | 23.82 | 17.48 | 0.02 |
| NB-104R | 17.00 | 23.82 | 17.47 | 0.02 |
| NB-105 | 11.00 | 17.50 | 16.50 | 0.01 |
| NB-105R | 11.00 | 17.50 | 16.50 | 2.19 |
| NB-106R | 11.00 | 16.00 | 12.70 | 0.01 |
| NB-108R | 6.00 | 10.00 | 8.00 | 0.00 |
| NB-109 | 17.00 | 23.80 | 31.50 | 0.03 |
| NB-109R | 17.00 | 23.80 | 31.50 | 0.03 |
| NB-110R | 19.00 | 25.40 | 14.00 | 0.02 |
| NB-111R | 29.50 | 36.50 | 13.40 | 0.03 |
| NB-112 | 17.00 | 24.00 | 20.00 | 0.03 |