| Width | B | 14 | mm |
| Bore diameter | d | 17 | mm |
| Limiting speed | nG | 18,900 | |
| Basic static load rating, radial | C0r | 6,500 |
| Outside diameter | D | 47 | mm |
| Reference speed | nϑr | 15,900 | |
| Fatigue load limit, radial | Cur | 435 | N |
| Basic dynamic load rating, radial | Cr | 14,400 |
| Shoulder diameter inner ring | d1 | 26.20 | mm |
| Minimum chamfer dimension | rmin | 1 | mm |
| Caliber diameter outer ring | D2 | 39.30 | mm |
| Maximum fillet radius | ra max | 1 | mm |
| Minimum diameter shaft shoulder | da min | 22.60 | mm |
| Maximum diameter of housing shoulder | Da max | 41.40 | mm |
| Manufacturer | Part Number |
|---|---|
| Fafnir | 303KDD |
| Bearings Company of America | 303SS |
| Torrington | T77303 |
| Hoover | 77303 |
| GPZ Bearings | 80303 |
| Volkswagen | 069903221 |
| SKC | 5950179 |
| Fischer Bearings | 6303PP |
| FLT | 6303ZZ |
| SKF | 6303-2Z/QE6 (SKF) |
| Steyr-Daimler-Puch | 99401082003 |
| SNR | 6303ZZ (SNR) |
| Federal Bearings | 1303FF |
| Marlin-Rockwell Corp. | 303-SFF |
| RIV Officine di Villar Perosa | 4BPPL |
| GMN | 6303-2Z |
| RHP | 6303-2Z |
| SKF | 6303-2Z (SKF) |
| Steyr-Daimler-Puch | 6303-2Z |
| NSK | 6303 ZZ (NSK) |
| MGM Bearings | 6303.2Z |
| Neuweg Fertigung GmbH | 6303.2Z |
| Hyatt | 77603 |
| NSK | 6303ZZ CM (NSK) |
| Koyo | 6303ZZ (KOYO) |
| SKF | 6303-2ZJ |
| Volvo | 181851 |
| Fiat | 28043280 |
| SKC | 3015463 |
| Nissan | 23120-12210 |
| Volkswagen | 049903221B |
| Fiat | 2/804328/0 |
| FORD | E4JL7600AB |
| Steyr-Daimler-Puch | 000625900188 |
