Specifications of SKF Bearing NU 228 ECM
Dimensions
| d | 140.0mm | Bore diameter |
| D | 250.0mm | Outside diameter |
| B | 42.0mm | Width |
| D1 | 215.78mm | Shoulder diameter of outer ring |
| F | 169.0mm | Chamfer dimension of loose flange ring |
| r1,2 | 3.0mm | Chamfer dimension |
| r3,4 | 3.0mm | Chamfer dimension |
| s | 2.5mm | Permissible axial displacement |
Abutment dimensions
| da | 154.0mm | Diameter of spacer sleeve |
| da | 165.0mm | Diameter of spacer sleeve |
| db | 172.0mm | Diameter of shaft abutment |
| Da | 235.0mm | Diameter of housing abutment |
| ra | 2.5mm | Radius of fillet |
| rb | 2.5mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 450.0kN |
| Basic static load rating | C0 | 510.0kN |
| Fatigue load limit | Pu | 57.0kN |
| Reference speed | 2800.0r/min | |
| Limiting speed | 3200.0r/min | |
| Minimum load factor | kr | 0.15 |
| Limiting value | e | 0.2 |
| Axial load factor | Y | 0.6 |
Mass
| Mass | 9.41kg |
Associated products
| Angle ring | HJ 228 EC |
