| Bearing type | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| NJ 1984 ECMA | 420 | 560 | 65 |
| NJ 1996 MA | 480 | 650 | 78 |
| NJ 2009 ECP | 45 | 75 | 19 |
| NJ 202 ECP | 15 | 35 | 11 |
| NJ 203 ECML | 17 | 40 | 12 |
| NJ 203 ECP | 17 | 40 | 12 |
| NJ 203 ECPHA | 17 | 40 | 12 |
| NJ 204 ECML | 20 | 47 | 14 |
| NJ 204 ECP | 20 | 47 | 14 |
| NJ 204 ECPHA | 20 | 47 | 14 |
| NJ 205 ECJ | 25 | 52 | 15 |
| NJ 205 ECML | 25 | 52 | 15 |
| NJ 205 ECP | 25 | 52 | 15 |
| NJ 205 ECPH | 25 | 52 | 15 |
| NJ 206 ECJ | 30 | 62 | 16 |
| NJ 206 ECML | 30 | 62 | 16 |
| NJ 206 ECP | 30 | 62 | 16 |
| NJ 207 ECJ | 35 | 72 | 17 |
| NJ 207 ECM | 35 | 72 | 17 |
| NJ 207 ECML | 35 | 72 | 17 |
| NJ 207 ECP | 35 | 72 | 17 |
| NJ 207 ECPH | 35 | 72 | 17 |
| NJ 208 ECJ | 40 | 80 | 18 |
| NJ 208 ECM | 40 | 80 | 18 |
| NJ 208 ECML | 40 | 80 | 18 |
| NJ 208 ECP | 40 | 80 | 18 |
| NJ 208 ECPH | 40 | 80 | 18 |
| NJ 209 ECJ | 45 | 85 | 19 |
| NJ 209 ECM | 45 | 85 | 19 |
| NJ 209 ECML | 45 | 85 | 19 |
