| 轴承型号 | 外形尺寸 mm | |||
| 圆柱孔 | 圆锥孔 | d | D | B |
| NNU4944/W33 | NNU4944K/W33 | 220 | 300 | 80 | NNU4948/W33 | NNU4948K/W33 | 240 | 320 | 80 |
| NNU4952/W33 | NNU4952K/W33 | 260 | 360 | 100 | NNU4956/W33 | NNU4956K/W33 | 280 | 380 | 100 |
| NNU4960/W33 | NNU4960K/W33 | 300 | 420 | 118 | NNU4964/W33 | NNU4964K/W33 | 320 | 440 | 118 |
| NNU4968/W33 | NNU4968K/W33 | 340 | 460 | 118 | NNU4972/W33 | NNU4972K/W33 | 360 | 480 | 118 |
| NNU4976/W33 | NNU4976K/W33 | 380 | 520 | 140 | NNU4980/W33 | NNU4980K/W33 | 400 | 540 | 140 |
| NNU4984/W33 | NNU4984K/W33 | 420 | 560 | 140 | NNU4988/W33 | NNU4988K/W33 | 440 | 600 | 160 |
