| Bore diameter | d | 140 | mm |
| Width, inner ring | Bi | 62 | mm |
| Width, total | T | 67.75 | mm |
| Basic static load rating, radial | C0r | 730,000 | |
| Limiting speed | nG | 2,500 |
| Outside diameter | D | 300 | mm |
| Width, outer ring | B | 53 | mm |
| Basic dynamic load rating, radial | Cr | 580,000 | |
| Fatigue load limit, radial | Cur | 85,000 | |
| Thermal speed rating | nϑr | 2,000 |
| Maximum diameter of shaft shoulder | da max | 176 | mm |
| Maximum diameter of housing shoulder | Da max | 282 | mm |
| Maximum fillet radius of shaft | ra max | 5 | mm |
| Minimum diameter of shaft shoulder | db min | 158 | mm |
| Minimum axial space | Ca min | 14.50 | mm |
| Minimum chamfer dimension of inner ring back face | r1, 2 min | 5 | mm |
| Distance between the apexes of the pressure cones | a | 52 | mm |
| Minimum chamfer dimension of outer ring back face | r3, 4 min | 4 | mm |
| Guidance rib diameter of inner ring | d1 | 206 | mm |
| Manufacturer | Part Number |
|---|---|
| Koyo | 30328 |
| NSK | 30328 |
| SKF | 30328-J2 (SKF) |
