Specifications of SKF Bearing 4308 ATN9
Dimensions
d | 40.0mm | Bore diameter |
D | 90.0mm | Outside diameter |
B | 33.0mm | Width |
d1 | 56.9mm | Shoulder diameter |
D1 | 73.1mm | Shoulder diameter |
r1,2 | 1.5mm | Chamfer dimension |
Abutment dimensions
da | 49.0mm | Diameter of shaft abutment |
Da | 81.0mm | Diameter of housing abutment |
ra | 1.5mm | Radius of shaft or housing fillet |
Calculation data
Basic dynamic load rating | C | 55.9kN |
Basic static load rating | C0 | 45.0kN |
Fatigue load limit | Pu | 1.9kN |
Reference speed | 12000.0r/min | |
Limiting speed | 6700.0r/min | |
Minimum load factor | kr | 0.06 |
Calculation factor | f0 | 13.8 |
Mass
Mass bearing | 0.95kg |
Tolerance class
Dimensional tolerances | Normal |
Radial run-out | Normal |