| 轴承型号 Bearing No |
尺寸(毫米) Dimensions(mm) |
|||
| 内径 d |
外径 D |
宽度 B |
装配倒角 rmin |
|
| NA4908 | 40 | 62 | 22 | 0.6 | NA6908 | 40 | 62 | 40 | 0.6 |
| NKI 42/20 | 42 | 57 | 20 | 0.3 | NKI 42/30 | 42 | 57 | 30 | 0.3 |
| NKI 45/25 | 45 | 62 | 25 | 0.6 | NKI 45/35 | 45 | 62 | 35 | 0.6 |
| NA4909 | 45 | 68 | 22 | 0.6 | NA6909 | 45 | 68 | 40 | 0.6 |
| NKI 50/25 | 50 | 68 | 25 | 0.6 | NKI 50/35 | 50 | 68 | 35 | 0.6 |
| NA4910 | 50 | 72 | 22 | 0.6 | NA6910 | 50 | 72 | 40 | 0.6 |