Specifications of SKF Bearing 71956 CD/P4A
Dimensions
d | 280.0mm | Bore diameter |
D | 380.0mm | Outside diameter |
B | 46.0mm | Width |
d1 | 311.8mm | Shoulder diameter of inner ring (large side face) |
d2 | 311.8mm | Shoulder diameter of inner ring (small side face) |
D1 | 348.2mm | Shoulder diameter of outer ring (large side face) |
r1,2 | 2.1mm | Chamfer dimension (large side face) |
r3,4 | 1.1mm | Chamfer dimension (small side face) |
a | 67.4mm | Distance from side face to pressure point |
Abutment dimensions
da | 291.0mm | Diameter of shaft abutment |
db | 291.0mm | Diameter of shaft abutment |
Da | 369.0mm | Diameter of housing abutment |
Db | 374.0mm | Diameter of housing abutment |
ra | 2.0mm | Radius of fillet |
rb | 1.0mm | Radius of fillet |
dn | 319.7mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 291.0kN |
Basic static load rating | C0 | 455.0kN |
Fatigue load limit | Pu | 10.6kN |
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 | 30.162mm |
Number of balls | z | 31.0 |
Reference grease quantity | Gref | 159.0cmu00b3 |
Mass
Mass | 12.9kg |