| NSK 6203-RS Bearing | 17 | 40 | 12 | NSK | Deep Groove Ball Bearings |
| FAG 30203A+T2DB017 Bearing | 17 | 40 | 12 | FAG | Tapered Roller Bearings |
| NSK NSKNU203ECP Bearing | 17 | 40 | 12 | NSK | Cylindrical Roller Bearings |
| MAC N 203 Bearing | 17 | 40 | 12 | MAC | Cylindrical Roller Bearings |
| ASK NJ203 Bearing | 17 | 40 | 12 | ASK | Cylindrical Roller Bearings |
| SKF 6203-RSH Bearing | 17 | 40 | 12 | SKF | Deep Groove Ball Bearings |
| SKF 6203-Z Bearing | 17 | 40 | 12 | SKF | Deep Groove Ball Bearings |
| KOYO 6203-RZ Bearing | 17 | 40 | 12 | KOYO | Deep Groove Ball Bearings |
| SKF NU 203 E Bearing | 17 | 40 | 12 | SKF | Cylindrical Roller Bearings |
| SKF 1203ETN9 Bearing | 17 | 40 | 12 | SKF | Self-aligning Ball Bearings |