Specifications of SKF Bearing N 309 ECP
Dimensions
| d | 45.0mm | Bore diameter |
| D | 100.0mm | Outside diameter |
| B | 25.0mm | Width |
| d1 | 64.4mm | Shoulder diameter of inner ring |
| E | 88.5mm | Raceway diameter of outer ring |
| r1,2 | 1.5mm | Chamfer dimension |
| r3,4 | 1.5mm | Chamfer dimension |
| s | 1.7mm | Permissible axial displacement |
Abutment dimensions
| da | 54.0mm | Diameter of spacer sleeve |
| da | 86.0mm | Diameter of spacer sleeve |
| Da | 91.0mm | Diameter of housing abutment |
| Da | 92.3mm | Diameter of housing abutment |
| ra | 1.5mm | Radius of fillet |
| rb | 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 | 0.12 |
| Limiting value | e | 0.2 |
| Axial load factor | Y | 0.6 |
Mass
| Mass | 0.88kg |
