| Width | B | 23 | mm |
| Bore diameter | d | 40 | mm |
| Limiting speed | nG | 10,400 | |
| Basic static load rating, radial | C0r | 34,500 |
| Outside diameter | D | 90 | mm |
| Reference speed | nϑr | 7,100 | |
| Fatigue load limit, radial | Cur | 2,390 | |
| Basic dynamic load rating, radial | Cr | 57,000 |
| Contact angle | α | 40 | ° |
| Shoulder diameter on inner ring wide side face | d1 | 60 | mm |
| Minimum chamfer dimension | rmin | 1 | mm |
| Distance between the apexes of the pressure cones | a | 39 | mm |
| Shoulder diameter on outer ring wide side face | D1 | 71.30 | mm |
| Maximum fillet radius of housing | ra1 max | 1 | mm |
| Maximum diameter of housing shoulder | Db max | 84.40 | mm |
| Minimum diameter of shaft shoulder | da min | 49 | mm |
| Maximum fillet radius of shaft | ra max | 1.50 | mm |
| Maximum diameter of housing shoulder | Da max | 81 | mm |
| Manufacturer | Part Number |
|---|---|
| NSK | 7308 B (NSK) |
| NSK | 7308 BW (NSK) |
