| RHP 6304-2Z Bearing | 20 | 52 | 15 | RHP | Deep Groove Ball Bearings |
| STEYR 1304 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings |
| SNR 6304-Z Bearing | 20 | 52 | 15 | SNR | Deep Groove Ball Bearings |
| NACHI 6304-2Z Bearing | 20 | 52 | 15 | NACHI | Deep Groove Ball Bearings |
| TORRINGTON 6304-Z Bearing | 20 | 52 | 15 | TORRINGTON | Deep Groove Ball Bearings |
| NACHI 6304-2RS Bearing | 20 | 52 | 15 | NACHI | Deep Groove Ball Bearings |
| SKF QJ304N2PHAS* Bearing | 20 | 52 | 15 | SKF | Angular Contact Ball Bearings |
| FAG 1204 K+H 204 Bearing | 20 | 52 | 15 | FAG | Self-aligning Ball Bearings |
| NACHI 6304N Bearing | 20 | 52 | 15 | NACHI | Deep Groove Ball Bearings |