| KOYO NJ 304 +HJ 304 Bearing | 20 | 52 | 15 | KOYO | Cylindrical Roller Bearings |
| NTN 1204K+H204 Bearing | 20 | 52 | 15 | NTN | Self-aligning Ball Bearings |
| NACHI 6304 Bearing | 20 | 52 | 15 | NACHI | Deep Groove Ball Bearings |
| KOYO 6304-2RS Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |
| STEYR 6304 N Bearing | 20 | 52 | 15 | STEYR | Deep Groove Ball Bearings |
| SKF 6304N Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| KOYO 1304K Bearing | 20 | 52 | 15 | KOYO | Self-aligning Ball Bearings |
| STEYR 1204K+H204 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings |
| KOYO 6304-RZ Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |
| SNR 6304N Bearing | 20 | 52 | 15 | SNR | Deep Groove Ball Bearings |