| BARDEN 71921C/DF Bearing | 105 | 145 | 40 | BARDEN | Angular Contact Ball Bearings |
| FAG 71921C/DF Bearing | 105 | 145 | 40 | FAG | Angular Contact Ball Bearings |
| NACHI NNU4921 Bearing | 105 | 145 | 40 | NACHI | Cylindrical Roller Bearings |
| KOYO NNU 4921 K Bearing | 105 | 145 | 40 | KOYO | Cylindrical Roller Bearings |
| KOYO 71921C/DF Bearing | 105 | 145 | 40 | KOYO | Angular Contact Ball Bearings |
| FAG NNU4921/W33 Bearing | 105 | 145 | 40 | FAG | Cylindrical Roller Bearings |
| MRC 71921C/DB Bearing | 105 | 145 | 40 | MRC | Angular Contact Ball Bearings |
| NTN 71921C/DF Bearing | 105 | 145 | 40 | NTN | Angular Contact Ball Bearings |
| NSK 71921 C/ DT Bearing | 105 | 145 | 40 | NSK | Angular Contact Ball Bearings |
| KOYO 71921C/DB Bearing | 105 | 145 | 40 | KOYO | Angular Contact Ball Bearings |