| Fabricante | Referencia |
|---|---|
| NSK | 2304J |
| NTN | 2304 |
| SKF | 2304 (SKF) |
| RHP | 2304J |
| FORD | SEK275 |
| Fischer Bearings | 2304 |
| Koyo | 2304 |
| MGM Bearings | 2304 |
| Marlin-Rockwell Corp. | 2304 |
| NSK | 2304 (NSK) |
| RHP | 2304 |
| GPZ Bearings | 1604 |
| Federal Bearings | 2304SA |
| RIV Officine di Villar Perosa | 5BBJ |
| Volvo | 6601028 |
| Fiat | 319540 |
| Renault | 8022268 |
| David Brown | 19090 |
| SKC | 5662371 |
| Volvo | 181487 |
| Steyr-Daimler-Puch | 000630002304 |
| Fiat | 86474 |
