Specifications of SKF Bearing NU 20/850 ECMA
Dimensions
| d | 850.0mm | Bore diameter |
| D | 1220.0mm | Outside diameter |
| B | 212.0mm | Width |
| D1 | 1110.0mm | Shoulder diameter of outer ring |
| F | 942.0mm | Chamfer dimension of loose flange ring |
| r1,2 | 7.5mm | Chamfer dimension |
| s | 2.0mm | Permissible axial displacement |
Abutment dimensions
| da | 878.0mm | Diameter of spacer sleeve |
| da | 936.0mm | Diameter of spacer sleeve |
| db | 956.0mm | Diameter of shaft abutment |
| Da | 1190.0mm | Diameter of housing abutment |
| ra | 6.0mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 8420.0kN |
| Basic static load rating | C0 | 18600.0kN |
| Fatigue load limit | Pu | 1200.0kN |
| Reference speed | 360.0r/min | |
| Limiting speed | 560.0r/min | |
| Minimum load factor | kr | 0.17 |
| Limiting value | e | 0.3 |
| Axial load factor | Y | 0.4 |
Mass
| Mass | 880.0kg |
