| Bore diameter | d | 20 | mm |
| Width | B | 15 | mm |
| Basic static load rating, radial | C0r | 3,350 | |
| Limiting speed | nG | 16,100 |
| Outside diameter | D | 52 | mm |
| Basic dynamic load rating, radial | Cr | 12,700 | |
| Fatigue load limit, radial | Cur | 212 | N |
| Reference speed | nϑr | 11,600 |
| Minimum diameter shaft shoulder | da min | 27 | mm |
| Maximum diameter of housing shoulder | Da max | 45 | mm |
| Minimum cavity width of the sleeve | Ba min | 8 | mm |
| Maximum diameter shaft shoulder | da max | 30 | mm |
| Minimum cavity diameter of the sleeve | db min | 23 | mm |
| Maximum fillet radius | ra max | 1 | mm |
| Minimum chamfer dimension | rmin | 1.10 | mm |
| Shoulder diameter inner ring | d1 | 31.60 | mm |
| Shoulder diameter outer ring | D1 | 41.50 | mm |
| Manufacturer | Part Number |
|---|---|
| SKF | 1304K |
| SKF | 1304K/C3 |
| Marlin-Rockwell Corp. | 1304EK |
| Koyo | 1304K |
| NSK | 1304 K (NSK) |
| SKC | 5932104 |
| RHP | 1304K |
