| STEYR 1204K+H204 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings |
| SKF 6304- RSL Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| RIV N 304 Bearing | 20 | 52 | 15 | RIV | Cylindrical Roller Bearings |
| KOYO 6304-Z Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |
| SKF 6304E TN9 Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| SKF 7304BEP Bearing | 20 | 52 | 15 | SKF | Angular Contact Ball Bearings |
| KOYO 6304-RS Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |
| NTN 1304 Bearing | 20 | 52 | 15 | NTN | Self-aligning Ball Bearings |
| FAG NJ304E.TVP2+HJ304E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| NTN 6304-ZN Bearing | 20 | 52 | 15 | NTN | Deep Groove Ball Bearings |