| Manufacturer | Part Number |
|---|---|
| SKF | NU203-EC P (SKF) |
| ZKL-ZVL | NU203 |
| Koyo | NU203 |
| Fischer Bearings | NUL17 |
| SKF | NU203 (SKF) |
| SNR | NU203 |
| Steyr-Daimler-Puch | 005412200203 |
| NSK | NU203 W (NSK) |
| ZF | 0635410005 |
| GPZ Bearings | 32203 |
| RHP | NU203 |
| RIV Officine di Villar Perosa | 01DAVP |
| Marlin-Rockwell Corp. | MR203E |
| RHP | NU203J |
| SKC | 3946381 |
| SKC | 5967399 |
| SKC | 6870399 |
| Rover | 653340 |
| MAN | AO.03811.3184K |
