| Contact angle | α | 40 | ° |
| Shoulder diameter on inner ring wide side face | d1 | 132,30 | mm |
| Minimum chamfer dimension | rmin | 1,10 | mm |
| Distance between the apexes of the pressure cones | a | 76 | mm |
| Shoulder diameter on outer ring wide side face | D1 | 149,60 | mm |
| Maximum fillet radius of housing | ra1 max | 1 | mm |
| Maximum diameter of housing shoulder | Db max | 173 | mm |
| Minimum diameter of shaft shoulder | da min | 112 | mm |
| Maximum fillet radius of shaft | ra max | 2,10 | mm |
| Maximum diameter of housing shoulder | Da max | 168 | mm |
| Reference speed | nϑr | 4,200 | |
| Fatigue load limit, radial | Cur | 7,800 | |
| Basic dynamic load rating, radial | Cr | 148,000 | |
| Diámetro exterior | D | 180 | mm |
| Limiting speed | nG | 4,850 | |
| Basic static load rating, radial | C0r | 132,000 | |
| Anchura | B | 34 | mm |
| Bore diameter | d | 100 | mm |
| Fabricante | Referencia |
|---|---|
| NSK | 7220 BW (NSK) |
| NSK | 7220 B (NSK) |
