| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NJ 306 ECP | 30 | 72 | 19 |
| NJ 306 ECM | 30 | 72 | 19 |
| NJ 306 ECJ | 30 | 72 | 19 |
| NU 2206 ECJ | 30 | 62 | 20 |
| NU 2206 ECP | 30 | 62 | 20 |
| NU 2306 ECP | 30 | 72 | 27 |
| NU 2206 ECPH | 30 | 62 | 20 |
| NU 406 MA | 30 | 90 | 23 |
| NU 406 | 30 | 90 | 23 |
| NU 306 ECML | 30 | 72 | 19 |
| NU 2306 ECPH | 30 | 72 | 27 |
| NJ 2306 ECPH | 30 | 72 | 27 |
| NU 2306 ECML | 30 | 72 | 27 |
| N 206 ECP | 30 | 62 | 16 |
| N 206 ECM | 30 | 62 | 16 |
| NJ 2306 ECML | 30 | 72 | 27 |
| NJ 406 | 30 | 90 | 23 |
| NJ 2206 ECPH | 30 | 62 | 20 |
| NJ 406 MA | 30 | 90 | 23 |
| NJ 305 ECJ | 25 | 62 | 17 |
| NJ 305 ECP | 25 | 62 | 17 |
| NJ 2205 ECP | 25 | 52 | 18 |
| NU 305 ECML | 25 | 62 | 17 |
| NU 2205 ECML | 25 | 52 | 18 |
| NJ 205 ECPH | 25 | 52 | 15 |
| N 205 ECP | 25 | 52 | 15 |
| NU 1005 | 25 | 47 | 12 |
| NU 2305 ECJ | 25 | 62 | 24 |
| NJ 205 ECML | 25 | 52 | 15 |
| NU 2305 ECP | 25 | 62 | 24 |
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