Specifications of SKF Bearing 7048 CD/HCP4A
Dimensions
d | 240.0mm | Bore diameter |
D | 360.0mm | Outside diameter |
B | 56.0mm | Width |
d1 | 277.0mm | Shoulder diameter of inner ring (large side face) |
d2 | 277.0mm | Shoulder diameter of inner ring (small side face) |
D1 | 323.0mm | Shoulder diameter of outer ring (large side face) |
r1,2 | 3.0mm | Chamfer dimension (large side face) |
r3,4 | 1.5mm | Chamfer dimension (small side face) |
a | 68.4mm | Distance from side face to pressure point |
Abutment dimensions
da | 253.0mm | Diameter of shaft abutment |
db | 253.0mm | Diameter of shaft abutment |
Da | 347.0mm | Diameter of housing abutment |
Db | 354.0mm | Diameter of housing abutment |
ra | 2.5mm | Radius of fillet |
rb | 1.5mm | Radius of fillet |
dn | 287.0mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 345.0kN |
Basic static load rating | C0 | 490.0kN |
Fatigue load limit | Pu | 8.65kN |
Attainable speed for grease lubrication | 4500.0r/min | |
Attainable speed for oil-air lubrication | 7000.0r/min | |
Contact angle | u03b1 | 15.0u00b0 |
Ball diameter | Dw | 38.1mm |
Number of balls | z | 22.0 |
Reference grease quantity | Gref | 216.0cmu00b3 |
Mass
Mass | 14.1kg |