| National Precision Bearing p/n | RBC Part Number |
| MS21151-1 | REP3ML3 FS464 |
| MS21151-2 | REP3MR3 FS464 |
| MS21151-3 | REP3M6A FS464 |
| MS21151-3C | REP3MS6A FS464 |
| MS21151-4 | REP3M6-2N FS464 |
| MS21151-4C | REP3MS6-2N FS464 |
| MS21151-5 | REP3ML6-2N FS464 |
| MS21151-5C | REP3MLS6 FS464 |
| MS21151-6 | RAP3M4-2 FS464 |
| MS21151-6C | RAP3MS4-2 FS464 |
| MS21151-7 | REP3M4-6 FS464 |
| MS21151-7C | REP3MS4-6 FS464 |
| MS21151-8 | REP4M6 FS464 |
| MS21151-8C | REP4M6-4 FS464 |
| MS21151-9 | REP4ML6 FS464 |
| MS21151-9C | REP4ML6-4 FS464 |
| MS21151-10 | REP5M6 FS464 |
| MS21151-10C | REP5M6-2 FS464 |
| MS21151-11 | REP5M7 FS464 |
| MS21151-11C | REP5MS7 FS464 |
| MS21151-12 | REP5M10 FS464 |
| MS21151-12C | REP5MS10 FS464 |
| MS21151-13 | RAP10M10 FS464 |
| MS21151-13C | RAP10MS10 FS464 |
| MS21153-1 | REPB3N FS464 |
| MS21153-2 | REPB3N-2 FS464 |
| MS21153-3 | REP3F4 FS464 |
| MS21153-4 | REP3FL4 FS464 |
| MS21153-5 | REP3FL4-3 FS464 |
| MS21153-6 | REP4F5 FS464 |
| MS21153-6C | REP4F5-5 FS464 |
| MS21153-7 | REP4FL5 FS464 |
| MS21153-7C | REP4FL5-5 FS464 |
| MS21153-8 | REP4F7 FS464 |
| MS21153-9 | REP4FL7 FS464 |
| MS21153-10 | REP5F5 FS464 |
| MS21153-11 | REP5FL5 FS464 |