Specifications of SKF Bearing 7209 ACD/HCP4A
Dimensions
d | 45.0mm | Bore diameter |
D | 85.0mm | Outside diameter |
B | 19.0mm | Width |
d1 | 57.3mm | Shoulder diameter of inner ring (large side face) |
d2 | 57.3mm | Shoulder diameter of inner ring (small side face) |
D1 | 72.7mm | Shoulder diameter of outer ring (large side face) |
r1,2 | 1.1mm | Chamfer dimension (large side face) |
r3,4 | 0.6mm | Chamfer dimension (small side face) |
a | 24.8mm | Distance from side face to pressure point |
Abutment dimensions
da | 52.0mm | Diameter of shaft abutment |
db | 52.0mm | Diameter of shaft abutment |
Da | 78.0mm | Diameter of housing abutment |
Db | 80.8mm | Diameter of housing abutment |
ra | 1.0mm | Radius of fillet |
rb | 0.6mm | Radius of fillet |
dn | 60.6mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 41.0kN |
Basic static load rating | C0 | 30.0kN |
Fatigue load limit | Pu | 0.915kN |
Attainable speed for grease lubrication | 17000.0r/min | |
Attainable speed for oil-air lubrication | 28000.0r/min | |
Contact angle | u03b1 | 25.0u00b0 |
Ball diameter | Dw | 12.7mm |
Number of balls | z | 14.0 |
Reference grease quantity | Gref | 5.922cmu00b3 |
Mass
Mass | 0.34kg |