| TORRINGTON 6304-2RS Bearing | 20 | 52 | 15 | TORRINGTON | Deep Groove Ball Bearings |
| NSK NSK6304-RSL Bearing | 20 | 52 | 15 | NSK | Deep Groove Ball Bearings |
| NTN NJ 304 Bearing | 20 | 52 | 15 | NTN | Cylindrical Roller Bearings |
| NACHI NUP304 Bearing | 20 | 52 | 15 | NACHI | Cylindrical Roller Bearings |
| SNR 1204K+H204 Bearing | 20 | 52 | 15 | SNR | Self-aligning Ball Bearings |
| KOYO NJ304E Bearing | 20 | 52 | 15 | KOYO | Cylindrical Roller Bearings |
| SKF 7304BEGBP* Bearing | 20 | 52 | 15 | SKF | Angular Contact Ball Bearings |
| NSK NSK6304-2ZNR Bearing | 20 | 52 | 15 | NSK | Deep Groove Ball Bearings |
| KOYO NU 304 R Bearing | 20 | 52 | 15 | KOYO | Cylindrical Roller Bearings |
| RHP NUP 304 Bearing | 20 | 52 | 15 | RHP | Cylindrical Roller Bearings |