| Minimum chamfer dimension of outer ring back face | r3, 4 min | 1.50 | mm |
| Guidance rib diameter of inner ring | d1 | 64 | mm |
| Minimum chamfer dimension of inner ring back face | r1, 2 min | 1.50 | mm |
| Distance between the apexes of the pressure cones | a | 18 | mm |
| Maximum fillet radius of housing | rb max | 1.50 | mm |
| Minimum axial space | Ca min | 4.50 | mm |
| Maximum diameter of housing shoulder | Da max | 78 | mm |
| Maximum diameter of shaft shoulder | da max | 54 | mm |
| Maximum fillet radius of shaft | ra max | 1.50 | mm |
| Minimum diameter of housing shoulder | Da min | 80 | mm |
| Minimum diameter of shaft shoulder | db min | 52 | mm |
| Thermal speed rating | nϑr | 5,400 | |
| Fatigue load limit, radial | Cur | 9,800 | |
| Basic dynamic load rating, radial | Cr | 70,000 | |
| Width, outer ring | B | 16 | mm |
| Outside diameter | D | 85 | mm |
| Limiting speed | nG | 8,800 | |
| Basic static load rating, radial | C0r | 82,000 | |
| Width, total | T | 20.75 | mm |
| Width, inner ring | Bi | 19 | mm |
| Bore diameter | d | 45 | mm |
| Manufacturer | Part Number |
|---|---|
| SKF | 30209-J2-Q (SKF) |
| NTN | 4T-30209 (NTN) |
