Specifications of SKF Bearing S7021 ACD/HCP4A
Dimensions
d | 105.0mm | Bore diameter |
D | 160.0mm | Outside diameter |
B | 26.0mm | Width |
d1 | 121.9mm | Shoulder diameter of inner ring (large side face) |
d2 | 121.9mm | Shoulder diameter of inner ring (small side face) |
D2 | 146.75mm | Recess diameter of outer ring (large side face) |
r1,2 | 2.0mm | Chamfer dimension (large side face) |
r3,4 | 1.0mm | Chamfer dimension (small side face) |
a | 44.0mm | Distance from side face to pressure point |
Abutment dimensions
da | 114.0mm | Diameter of shaft abutment |
da | 121.3mm | Diameter of shaft abutment |
db | 114.0mm | Diameter of shaft abutment |
db | 121.3mm | Diameter of shaft abutment |
Da | 151.0mm | Diameter of housing abutment |
Db | 155.0mm | Diameter of housing abutment |
ra | 2.0mm | Radius of fillet |
rb | 1.0mm | Radius of fillet |
Calculation data
Basic dynamic load rating | C | 90.4kN |
Basic static load rating | C0 | 93.0kN |
Fatigue load limit | Pu | 2.5kN |
Attainable speed for grease lubrication | 9000.0r/min | |
Contact angle | u03b1 | 25.0u00b0 |
Ball diameter | Dw | 17.462mm |
Number of balls | z | 21.0 |
Mass
Mass | 1.33kg |