| SKF NU 321 E Bearing | 105 | 225 | 49 | SKF | Cylindrical Roller Bearings |
| TORRINGTON 7321 B Bearing | 105 | 225 | 49 | TORRINGTON | Angular Contact Ball Bearings |
| NTN NJ321E+HJ321E Bearing | 105 | 225 | 49 | NTN | Cylindrical Roller Bearings |
| ZKL NJ321 Bearing | 105 | 225 | 49 | ZKL | Cylindrical Roller Bearings |
| RHP 6321 Bearing | 105 | 225 | 49 | RHP | Deep Groove Ball Bearings |
| STEYR NU 321 E Bearing | 105 | 225 | 49 | STEYR | Cylindrical Roller Bearings |
| MRC 6321 Bearing | 105 | 225 | 49 | MRC | Deep Groove Ball Bearings |
| NTN 6321 Bearing | 105 | 225 | 49 | NTN | Deep Groove Ball Bearings |
| KOYO NJ 321 +HJ 321 Bearing | 105 | 225 | 49 | KOYO | Cylindrical Roller Bearings |
| FAG 6321 Bearing | 105 | 225 | 49 | FAG | Deep Groove Ball Bearings |