| Raceway diameter of the inner ring | d2 | 28.90 | mm |
| Minimum chamfer dimension | rmin | 1.10 | mm |
| Bore diameter outer ring | D1 | 43 | mm |
| Maximum recess radius | ra max | 1 | mm |
| Minimum diameter shaft shoulder | da min | 27 | mm |
| Maximum diameter of housing shoulder | Da max | 45 | mm |
| Reference speed | nϑr | 9,700 | |
| Fatigue load limit, radial | Cur | 3,800 | |
| Basic dynamic load rating, radial | Cr | 41,000 | |
| Outside diameter | D | 52 | mm |
| Limiting speed | nG | 16,000 | |
| Basic static load rating, radial | C0r | 33,000 | |
| Width | B | 15 | mm |
| Bore diameter | d | 20 | mm |
| Manufacturer | Part Number |
|---|---|
| NSK | 21304 CD-E4-C3 (NSK) |
