Specifications of SKF Bearing NU 3980 ECMA
Dimensions
| d | 400.0mm | Bore diameter |
| D | 540.0mm | Outside diameter |
| B | 106.0mm | Width |
| D1 | 500.0mm | Shoulder diameter of outer ring |
| F | 434.5mm | Chamfer dimension of loose flange ring |
| r1,2 | 4.0mm | Chamfer dimension |
| s | 4.0mm | Permissible axial displacement |
Abutment dimensions
| da | 415.0mm | Diameter of spacer sleeve |
| da | 429.0mm | Diameter of spacer sleeve |
| db | 439.0mm | Diameter of shaft abutment |
| Da | 524.0mm | Diameter of housing abutment |
| ra | 3.0mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 1760.0kN |
| Basic static load rating | C0 | 3750.0kN |
| Fatigue load limit | Pu | 320.0kN |
| Reference speed | 1000.0r/min | |
| Limiting speed | 1500.0r/min | |
| Minimum load factor | kr | 0.1 |
| Limiting value | e | 0.3 |
| Axial load factor | Y | 0.4 |
Mass
| Mass | 74.5kg |
