Specifications of SKF Bearing 71968 CDMA/HCP4A
Dimensions
d | 340.0mm | Bore diameter |
D | 460.0mm | Outside diameter |
B | 56.0mm | Width |
d1 | 377.0mm | Shoulder diameter of inner ring (large side face) |
d2 | 377.0mm | Shoulder diameter of inner ring (small side face) |
D1 | 423.0mm | Shoulder diameter of outer ring (large side face) |
r1,2 | 3.0mm | Chamfer dimension (large side face) |
r3,4 | 1.1mm | Chamfer dimension (small side face) |
a | 81.8mm | Distance from side face to pressure point |
Abutment dimensions
da | 353.0mm | Diameter of shaft abutment |
db | 353.0mm | Diameter of shaft abutment |
Da | 447.0mm | Diameter of housing abutment |
Db | 454.0mm | Diameter of housing abutment |
ra | 2.5mm | Radius of fillet |
rb | 1.0mm | Radius of fillet |
dn | 387.0mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 390.0kN |
Basic static load rating | C0 | 670.0kN |
Fatigue load limit | Pu | 10.4kN |
Attainable speed for grease lubrication | 3000.0r/min | |
Attainable speed for oil-air lubrication | 4500.0r/min | |
Contact angle | u03b1 | 15.0u00b0 |
Ball diameter | Dw | 38.1mm |
Number of balls | z | 29.0 |
Reference grease quantity | Gref | 294.0cmu00b3 |
Mass
Mass | 21.6kg |