| FAG NUP304E.TVP2 Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |
| NSK 1304 Bearing | 20 | 52 | 15 | NSK | Self-aligning Ball Bearings |
| SKF NJ304E Bearing | 20 | 52 | 15 | SKF | Cylindrical Roller Bearings |
| RHP NF 304 Bearing | 20 | 52 | 15 | RHP | Cylindrical Roller Bearings |
| NSK NSK6304-ZNR Bearing | 20 | 52 | 15 | NSK | Deep Groove Ball Bearings |
| KOYO 7304B Bearing | 20 | 52 | 15 | KOYO | Angular Contact Ball Bearings |
| SKF NJ 304 E Bearing | 20 | 52 | 15 | SKF | Cylindrical Roller Bearings |
| SKF 6304-2Z Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| SKF 6304-Z Bearing | 20 | 52 | 15 | SKF | Deep Groove Ball Bearings |
| FAG N304E Bearing | 20 | 52 | 15 | FAG | Cylindrical Roller Bearings |