| Bore diameter | d | 28 | mm |
| Width, inner ring | Bi | 16 | mm |
| Width, total | T | 16 | mm |
| Basic static load rating, radial | C0r | 40,500 | |
| Limiting speed | nG | 14,200 |
| Outside diameter | D | 52 | mm |
| Width, outer ring | B | 12 | mm |
| Basic dynamic load rating, radial | Cr | 34,000 | |
| Fatigue load limit, radial | Cur | 4,600 | |
| Thermal speed rating | nϑr | 8,400 |
| Maximum diameter of shaft shoulder | da max | 33 | mm |
| Maximum diameter of housing shoulder | Da max | 46 | mm |
| Maximum fillet radius of shaft | ra max | 1 | mm |
| Minimum diameter of shaft shoulder | db min | 34 | mm |
| Minimum axial space | Ca min | 4 | mm |
| Minimum chamfer dimension of inner ring back face | r1, 2 min | 1 | mm |
| Distance between the apexes of the pressure cones | a | 13 | mm |
| Minimum chamfer dimension of outer ring back face | r3, 4 min | 1 | mm |
| Guidance rib diameter of inner ring | d1 | 41 | mm |
| Manufacturer | Part Number |
|---|---|
| NTN | 4T-320/28 X (NTN) |
