| Fabricante | Referencia |
|---|---|
| SKC | 5945720 |
| Fischer Bearings | 2303 |
| SKF | 2303 (SKF) |
| Koyo | 2303 (KOYO) |
| Federal Bearings | 2303SA |
| GPZ Bearings | 1603 |
| RIV Officine di Villar Perosa | 4BBJ |
| MGM Bearings | 2303 |
| Marlin-Rockwell Corp. | 2303 |
| ISO | 17BS23 |
| NSK | 2303 (NSK) |
| RHP | 2303 |
| ISO | 64100 |
| SKC | 3000681 |
| Citroen | 472260 |
| ZF | 0635350025 |
