Specifications of SKF Bearing 71920 CD/P4A
Dimensions
d | 100.0mm | Bore diameter |
D | 140.0mm | Outside diameter |
B | 20.0mm | Width |
d1 | 112.3mm | Shoulder diameter of inner ring (large side face) |
d2 | 112.3mm | Shoulder diameter of inner ring (small side face) |
D1 | 127.7mm | 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 | 26.1mm | Distance from side face to pressure point |
Abutment dimensions
da | 106.0mm | Diameter of shaft abutment |
db | 106.0mm | Diameter of shaft abutment |
Da | 134.0mm | Diameter of housing abutment |
Db | 136.0mm | Diameter of housing abutment |
ra | 1.0mm | Radius of fillet |
rb | 0.6mm | Radius of fillet |
dn | 115.6mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 60.5kN |
Basic static load rating | C0 | 65.5kN |
Fatigue load limit | Pu | 2.55kN |
Attainable speed for grease lubrication | 9000.0r/min | |
Attainable speed for oil-air lubrication | 14000.0r/min | |
Contact angle | u03b1 | 15.0u00b0 |
Ball diameter | Dw | 12.7mm |
Number of balls | z | 26.0 |
Reference grease quantity | Gref | 10.5cmu00b3 |
Mass
Mass | 0.8kg |