| National Precision Bearing p/n | NHBB Part Number |
| MS27640-3A | KP3L |
| MS27640-3 | KP3 |
| MS27640-4 | KP4 |
| MS27640-5 | KP5 |
| MS27640-6 | KP6 |
| MS27640-8 | KP8 |
| MS27640-10 | KP10 |
| MS27641-3 | KP3A |
| MS27641-4 | KP4A |
| MS27641-5 | KP5A |
| MS27641-6 | KP6A |
| MS27641-8 | KP8A |
| MS27641-10 | KP10A |
| MS27641-12 | KP12A |
| MS27641-16 | KP16A |
| MS27641-20 | KP20A |
| MS27645-3A | KSP3L |
| MS27645-4A | KSP4A |
| MS27645-5A | KSP5A |
| MS27645-6A | KSP6A |
| MS27645-3 | KSP3 |
| MS27645-4 | KSP4 |
| MS27645-5 | KSP5 |
| MS27645-6 | KSP6 |
| MS27645-8 | KSP8 |
| MS27645-10 | KSP10 |
| MS27646-38 | B538DD |
| MS27646-39 | B539DD |
| MS27646-40 | B540DD |
| MS27646-41 | B541DD |
| MS27646-42 | B542DD |
| MS27646-43 | B543DD |
| MS27646-44 | B544DD |
| MS27646-45 | B545DD |
| MS27646-46 | B546DD |
| MS21428-38 | MB538DD |
| MS21428-39 | MB539DD |
| MS21428-40 | MB540DD |
| MS21428-41 | MB541DD |
| MS21428-42 | MB542DD |
| MS21428-43 | MB543DD |
| MS21428-44 | MB544DD |
| MS21428-45 | MB545DD |
| MS21428-46 | MB546DD |