| STEYR 1304 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings |
| FAG NUP 304 E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| FAG NUP304E.TVP2 Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| NSK 1304K Bearing | 20 | 52 | 15 | NSK | Self-aligning Ball Bearings |
| STEYR 6304 Bearing | 20 | 52 | 15 | STEYR | Deep Groove Ball Bearings |
| SNR 7304AC Bearing | 20 | 52 | 15 | SNR | Angular Contact Ball Bearings |
| SKF NJ304E Bearing | 20 | 52 | 15 | SKF | Cylindrical Roller Bearings |
| NACHI 6304-2RS Bearing | 20 | 52 | 15 | NACHI | Deep Groove Ball Bearings |
| KOYO 6304-2RZ Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |