| Fersa | 内直径(mm) | 外径(mm) | T(毫米) | 重量(Kg) |
|---|---|---|---|---|
| NRB IR 060908 | 9.53 | 14.29 | 12.95 | 0.01 |
| NRB IR 162016 | 25.40 | 31.75 | 25.65 | 0.05 |
| NRB IR 303920 | 38.10 | 47.63 | 31.75 | 0.22 |
| NRB IR 324116 | 41.28 | 50.80 | 25.40 | 0.19 |
| NRB IR 648040 | 101.60 | 127.00 | 63.50 | 2.27 |
| NU 1004 EMC3 | 170.00 | 260.00 | 42.00 | 7.99 |
| NU 1004 MC3 | 170.00 | 260.00 | 42.00 | 0.99 |
| NU 1005 EMC3 | 25.00 | 47.00 | 12.00 | 0.08 |
| NU 1005 MC3 | 25.00 | 47.00 | 12.00 | 0.08 |
| NU 1006 C3 | 30.00 | 55.00 | 13.00 | 0.11 |
| NU 1006 EMC3 | 30.00 | 55.00 | 13.00 | 0.13 |
| NU 1006 MC3 | 30.00 | 55.00 | 13.00 | 0.13 |
| NU 1008 EMC3 | 40.00 | 68.00 | 15.00 | 0.23 |
| NU 1008 FM | 40.00 | 68.00 | 15.00 | 0.23 |
| NU 1008 MC3 | 40.00 | 68.00 | 15.00 | 0.23 |
| NU 1009 EMC3 | 45.00 | 75.00 | 16.00 | 0.28 |
| NU 1009 MC3 | 45.00 | 75.00 | 16.00 | 0.28 |
| NU 1011 EM | 55.00 | 90.00 | 18.00 | 0.45 |
| NU 1011 EMC3 | 55.00 | 90.00 | 18.00 | 0.45 |
| NU 1011 FM | 55.00 | 90.00 | 18.00 | 0.45 |