| 型号 | 质量 m | 尺寸mm | ||
| 轴承 ≈kg |
d | D | B | |
| NJ307EM | 0.496 | 35 | 80 | 21 | NUP307EM | 0.506 | 35 | 80 | 21 |
| NJ2307EM | 0.736 | 35 | 80 | 31 | NUP2307EM | 0.751 | 35 | 80 | 31 |
| NJ407EM | 1.16 | 35 | 100 | 25 | NJ208EM | 0.389 | 40 | 80 | 18 |
| NUP208EM | 0.399 | 40 | 80 | 18 | NJ2208EM | 0.504 | 40 | 80 | 23 |
| NUP2208EM | 0.518 | 40 | 80 | 23 | NJ308EM | 0.674 | 40 | 90 | 23 |
| NUP308EM | 0.688 | 40 | 90 | 23 | NJ2308EM | 0.978 | 40 | 90 | 33 |