| Bearing type 轴承型号 | Boundary Dimensions（mm）外形尺寸 | ||
|---|---|---|---|
| d 内径 | D 外径 | B 内圈 宽度 | |
| NU 309 ECM | 45 | 100 | 25 |
| NU 309 ECML | 45 | 100 | 25 |
| NU 309 ECNP | 45 | 100 | 25 |
| NU 309 ECP | 45 | 100 | 25 |
| NU 309 ECPH | 45 | 100 | 25 |
| NU 3092 ECMA | 460 | 680 | 163 |
| NU 31/500 ECMA/HB1 | 500 | 830 | 264 |
| NU 31/530 ECMA/HB1 | 530 | 870 | 272 |
| NU 310 ECJ | 50 | 110 | 27 |
| NU 310 ECM | 50 | 110 | 27 |
| NU 310 ECM/C3VL0241 | 50 | 110 | 27 |
| NU 310 ECM/HC5C3 | 50 | 110 | 27 |
| NU 310 ECML | 50 | 110 | 27 |
| NU 310 ECP | 50 | 110 | 27 |
| NU 310 ECPH | 50 | 110 | 27 |
| NU 311 ECJ | 55 | 120 | 29 |
| NU 311 ECM | 55 | 120 | 29 |
| NU 311 ECM/C3VL0241 | 55 | 120 | 29 |
| NU 311 ECM/HC5C3 | 55 | 120 | 29 |
| NU 311 ECML | 55 | 120 | 29 |
| NU 311 ECNJ | 55 | 120 | 29 |
| NU 311 ECP | 55 | 120 | 29 |
| NU 312 ECJ | 60 | 130 | 31 |
| NU 312 ECM | 60 | 130 | 31 |
| NU 312 ECM/C3VL0241 | 60 | 130 | 31 |
| NU 312 ECM/HC5C3 | 60 | 130 | 31 |
| NU 312 ECML | 60 | 130 | 31 |
| NU 312 ECP | 60 | 130 | 31 |
| NU 312 ECPH | 60 | 130 | 31 |
| NU 313 ECJ | 65 | 140 | 33 |
