| KOYO 6304-2Z Bearing | 20 | 52 | 15 | KOYO | Deep Groove Ball Bearings |
| MRC 7304 AC Bearing | 20 | 52 | 15 | MRC | Angular Contact Ball Bearings |
| FAG NUP 304 E.TVP2 Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| NTN 6304N Bearing | 20 | 52 | 15 | NTN | Deep Groove Ball Bearings |
| STEYR 1304 Bearing | 20 | 52 | 15 | STEYR | Self-aligning Ball Bearings |
| NSK NJ304E+HJ304E Bearing | 20 | 52 | 15 | NSK | Cylindrical Roller Bearings |
| NTN 6304-Z Bearing | 20 | 52 | 15 | NTN | Deep Groove Ball Bearings |
| DKF 7304B Bearing | 20 | 52 | 15 | DKF | Angular Contact Ball Bearings |
| NTN NJ304E+HJ304E Bearing | 20 | 52 | 15 | NTN | Cylindrical Roller Bearings |