| FAG NUP 203 E Bearing | 17 | 40 | 12 | FAG | Cylindrical Roller Bearings |
| KOYO N203 Bearing | 17 | 40 | 12 | KOYO | Cylindrical Roller Bearings |
| MAC NUP 203 Bearing | 17 | 40 | 12 | MAC | Cylindrical Roller Bearings |
| SKF 1203 Bearing | 17 | 40 | 12 | SKF | Self-aligning Ball Bearings |
| NTN NU 203 E Bearing | 17 | 40 | 12 | NTN | Cylindrical Roller Bearings |
| NSK NSK6203-RSH Bearing | 17 | 40 | 12 | NSK | Deep Groove Ball Bearings |
| NACHI 6203-2Z Bearing | 17 | 40 | 12 | NACHI | Deep Groove Ball Bearings |
| NTN 6203-RS Bearing | 17 | 40 | 12 | NTN | Deep Groove Ball Bearings |
| FAG 30203A+T2DB017 Bearing | 17 | 40 | 12 | FAG | Tapered Roller Bearings |
| NTN 6203-2RS Bearing | 17 | 40 | 12 | NTN | Deep Groove Ball Bearings |