Specifications of SKF Bearing NUP 309 ECNP
Dimensions
| d | 45.0mm | Bore diameter |
| D | 100.0mm | Outside diameter |
| B | 25.0mm | Width |
| d1 | 64.4mm | Shoulder diameter of inner ring |
| D1 | 83.2mm | Shoulder diameter of outer ring |
| D3 | 96.8mm | Diameter of snap ring groove |
| F | 58.5mm | Chamfer dimension of loose flange ring |
| C2 | 3.28mm | Distance from outer ring side face to snap ring groove |
| b | 2.7mm | Width of snap ring groove |
| r1,2 | 1.5mm | Chamfer dimension |
| r3,4 | 1.5mm | Chamfer dimension of loose flange ring |
Abutment dimensions
| da | 54.0mm | Diameter of spacer sleeve |
| db | 67.0mm | Diameter of shaft abutment |
| Da | 91.4mm | Diameter of housing abutment |
| ra | 1.5mm | Radius of fillet |
Calculation data
| Basic dynamic load rating | C | 112.0kN |
| Basic static load rating | C0 | 100.0kN |
| Fatigue load limit | Pu | 12.9kN |
| Reference speed | 7500.0r/min | |
| Limiting speed | 8500.0r/min | |
| Minimum load factor | kr | 0.15 |
| Limiting value | e | 0.2 |
| Axial load factor | Y | 0.6 |
Mass
| Mass | 0.9kg |
