Specifications of SKF Bearing NU 20/630 ECMA
Dimensions
| d | 630.0mm | Bore diameter |
| D | 920.0mm | Outside diameter |
| B | 170.0mm | Width |
| D1 | 832.0mm | Shoulder diameter of outer ring |
| F | 699.0mm | Chamfer dimension of loose flange ring |
| r1,2 | 7.5mm | Chamfer dimension |
| s | 8.7mm | Permissible axial displacement |
Abutment dimensions
| da | 658.0mm | Diameter of spacer sleeve |
| da | 690.0mm | Diameter of spacer sleeve |
| db | 705.0mm | Diameter of shaft abutment |
| Da | 892.0mm | Diameter of housing abutment |
| ra | 6.0mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 4730.0kN |
| Basic static load rating | C0 | 9500.0kN |
| Fatigue load limit | Pu | 670.0kN |
| Reference speed | 560.0r/min | |
| Limiting speed | 850.0r/min | |
| Minimum load factor | kr | 0.14 |
| Limiting value | e | 0.3 |
| Axial load factor | Y | 0 |
Mass
| Mass | 400.0kg |
