| SKF 1304K Bearing | 20 | 52 | 15 | SKF | Self-aligning Ball Bearings |
| FAG 7603020TVP Bearing | 20 | 52 | 15 | FAG | Angular Contact Thrust Ball Bearings |
| FAG NJ304E.TVP2+HJ304E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| KOYO NF304 Bearing | 20 | 52 | 15 | KOYO | Cylindrical Roller Bearings |
| SKF N304 ECP Bearing | 20 | 52 | 15 | SKF | Cylindrical Roller Bearings |
| NSK NUP304E Bearing | 20 | 52 | 15 | NSK | Cylindrical Roller Bearings |
| MRC 6304-2ZN Bearing | 20 | 52 | 15 | MRC | Deep Groove Ball Bearings |
| FAG 7304B Bearing | 20 | 52 | 15 | FAG | Angular Contact Ball Bearings |
| SKF *7304BECBP Bearing | 20 | 52 | 15 | SKF | Angular Contact Ball Bearings |
| FAG 6304-ZN Bearing | 20 | 52 | 15 | FAG | Deep Groove Ball Bearings |