| National Precision Bearing p/n | New Departure Part Number |
| 6000 | 3L00 |
| 6000Z | 73L00 |
| 6000ZZ | 773L00 |
| 6000RS | 93LOO |
| 60002RS | 993LOO |
| 6000NR | 43LOO |
| 6000ZNR | 473LOO |
| 6200 | 3200 |
| 6200Z | 7500 |
| 6200ZZ | 77500 |
| 6200RS | 9500 |
| 62002RS | 99500 |
| 6200NR | 43200 |
| 6200ZNR | 47500 |
| 6300 | 3300 |
| 6300Z | 7600 |
| 6300ZZ | 77600 |
| 6300RS | 9600 |
| 63002RS | 99600 |
| 6300NR | 43300 |
| 6300ZNR | 47600 |