| KOYO 1204 K+H 204 Bearing | 20 | 52 | 15 | KOYO | Self-aligning Ball Bearings |
| SKF 6304-2ZN Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| NSK 6304-Z Bearing | 20 | 52 | 15 | NSK | Deep Groove Ball Bearings |
| ZKL NU 304 Bearing | 20 | 52 | 15 | ZKL | Cylindrical Roller Bearings |
| STEYR 6304 N Bearing | 20 | 52 | 15 | STEYR | Deep Groove Ball Bearings |
| TORRINGTON 7304 B Bearing | 20 | 52 | 15 | TORRINGTON | Angular Contact Ball Bearings |
| SKF 6304-2Z Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| STEYR NU304 Bearing | 20 | 52 | 15 | STEYR | Cylindrical Roller Bearings |
| KOYO NUP304 Bearing | 20 | 52 | 15 | KOYO | Cylindrical Roller Bearings |
| NSK 1304 Bearing | 20 | 52 | 15 | NSK | Self-aligning Ball Bearings |