| FAG NJ 304 E.TVP2 +HJ304 E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| TORRINGTON 6304-RS Bearing | 20 | 52 | 15 | TORRINGTON | Deep Groove Ball Bearings |
| TORRINGTON 6304N Bearing | 20 | 52 | 15 | TORRINGTON | Deep Groove Ball Bearings |
| SKF 6304-2RSL Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| MRC 7304 B Bearing | 20 | 52 | 15 | MRC | Angular Contact Ball Bearings |
| NSK NJ304+HJ304 Bearing | 20 | 52 | 15 | NSK | Cylindrical Roller Bearings |
| SNR 7304B Bearing | 20 | 52 | 15 | SNR | Angular Contact Ball Bearings |
| FAG 1304 Bearing | 20 | 52 | 15 | FAG | Self-aligning Ball Bearings |
| SKF 6304NR Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| NTN 7304AC Bearing | 20 | 52 | 15 | NTN | Angular Contact Ball Bearings |