| National Precision Bearing p/n | RBC Part Number |
| GEZ12ES | B8-L |
| GEZ15ES | B10-L |
| GEZ19ES | B12-L |
| GEZ22ES | B14-L |
| GEZ25ES | B16-L |
| GEZ31ES | B20-L |
| GEZ34ES | B22-L |
| GEZ38ES | B24-L |
| GEZ44ES | B28-L |
| GEZ50ES | B32-L |
| GEZ57ES | B36-L |
| GEZ63ES | B40-L |
| GEZ69ES | B44-L |
| GEZ76ES | B48-L |
| GEZ82ES | B52-L |
| GEZ88ES | B56-L |
| GEZ95ES | B60-L |
| GEZ101ES | B64-L |
| GEZ114ES | B72-9L |
| GEZ127ES | B80-9L |
| GEZ152ES | B96-9L |
| GEZ25ES-2RS | B16-LSS |
| GEZ31ES-2RS | B20-LSS |
| GEZ34ES-2RS | B22-LSS |
| GEZ38ES-2RS | B24-LSS |
| GEZ44ES-2RS | B28-LSS |
| GEZ50ES-2RS | B32-LSS |
| GEZ57ES-2RS | B36-LSS |
| GEZ63ES-2RS | B40-LSS |
| GEZ69ES-2RS | B44-LSS |
| GEZ76ES-2RS | B48-LSS |
| GEZ82ES-2RS | B52-LSS |
| GEZ88ES-2RS | B56-LSS |
| GEZ95ES-2RS | B60-LSS |
| GEZ101ES-2RS | B64-LSS |
| GEZ114ES-2RS | B72-9LSS |
| GEZ127ES-2RS | B80-9LSS |
| GEZ152ES-2RS | B96-9LSS |