| Bore diameter | d | 85 | mm |
| Width | B | 41 | mm |
| Basic static load rating, radial | C0r | 320,000 | |
| Limiting speed | nG | 3,750 |
| Outside diameter | D | 180 | mm |
| Basic dynamic load rating, radial | Cr | 270,000 | |
| Fatigue load limit, radial | Cur | 29,000 |
| Minimum diameter shaft shoulder | da min | 99 | mm |
| Maximum recess radius | ra max | 2.50 | mm |
| Maximum diameter of housing shoulder | Da max | 166 | mm |
| Minimum chamfer dimension | rmin | 3 | mm |
| Bore diameter outer ring | D1 | 156.90 | mm |
| Manufacturer | Part Number |
|---|---|
| RIV Officine di Villar Perosa | 18BTO |
| GPZ Bearings | 23317 |
| SKF | 20317MB |
| SKC | 6009043 |
| ZF | 0635355012 |
