| Bore diameter | d | 40 | mm |
| Width, outer ring | B | 19.80 | mm |
| Basic static load rating, radial | C0r | 40,000 | |
| Speed on permanent grease lubrication | nD G | 850 | 1/min |
| Outside diameter | D | 80 | mm |
| Basic dynamic load rating, radial | Cr | 23,700 | |
| Fatigue load limit, radial | Cur | 6,000 |
| Width, inner ring | B | 20 | mm |
| Minimum chamfer dimension | rmin | 1 | mm |
| Radius of outer ring outside profile | R | 500 | mm |
| Raceway diameter outer ring | E | 58 | mm |
| Raceway diameter inner ring | F | 50 | mm |
| Manufacturer | Part Number |
|---|---|
| IKO | NAST40-R (IKO) |
| SKF | STO40 (SKF) |
| SKF | NAST40R |
| NTN | NAB208 |
| NTN | NAB208D |
