| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| NNU4948B/W33轴承 | - | - | - |
| NNU4948BK/W33轴承 | - | - | - |
| NNU4948S.M | 240 | 320 | 80 |
| NNU4948K | 240 | 320 | 80 |
| NNU4948 | 240 | 320 | 80 |
| NNU4948BK/W33 | 240 | 320 | 80 |
| NNU4948 | 240 | 320 | 80 |
| NNU4948 | 240 | 320 | 80 |
| NNU4948BK/W33 | 240 | 320 | 80 |
| NNU4948B/W33 | 240 | 320 | 80 |
| NNU4948K | 240 | 320 | 80 |
| NNU4948K | 240 | 320 | 80 |
