| Bearing type 轴承型号 | Boundary Dimensions（mm）外形尺寸 | ||
|---|---|---|---|
| d 内径 | D 外径 | B 内圈 宽度 | |
| NJ 307 ECM | 35 | 80 | 21 |
| NJ 307 ECML | 35 | 80 | 21 |
| NJ 307 ECP | 35 | 80 | 21 |
| NJ 307 ECPH | 35 | 80 | 21 |
| NJ 308 ECJ | 40 | 90 | 23 |
| NJ 308 ECM | 40 | 90 | 23 |
| NJ 308 ECML | 40 | 90 | 23 |
| NJ 308 ECP | 40 | 90 | 23 |
| NJ 308 ECPH | 40 | 90 | 23 |
| NJ 309 ECJ | 45 | 100 | 25 |
| NJ 309 ECM | 45 | 100 | 25 |
| NJ 309 ECML | 45 | 100 | 25 |
| NJ 309 ECP | 45 | 100 | 25 |
| NJ 309 ECPH | 45 | 100 | 25 |
| NJ 310 ECJ | 50 | 110 | 27 |
| NJ 310 ECM | 50 | 110 | 27 |
| NJ 310 ECML | 50 | 110 | 27 |
| NJ 310 ECP | 50 | 110 | 27 |
| NJ 310 ECPH | 50 | 110 | 27 |
| NJ 311 ECJ | 55 | 120 | 29 |
| NJ 311 ECM | 55 | 120 | 29 |
| NJ 311 ECML | 55 | 120 | 29 |
| NJ 311 ECP | 55 | 120 | 29 |
| NJ 312 ECJ | 60 | 130 | 31 |
| NJ 312 ECM | 60 | 130 | 31 |
| NJ 312 ECML | 60 | 130 | 31 |
| NJ 312 ECP | 60 | 130 | 31 |
| NJ 312 ECPH | 60 | 130 | 31 |
| NJ 313 ECJ | 65 | 140 | 33 |
| NJ 313 ECM | 65 | 140 | 33 |
