Specifications of SKF Bearing 71903 CE/P4AH
Dimensions
d | 17.0mm | Bore diameter |
D | 30.0mm | Outside diameter |
B | 7.0mm | Width |
d1 | 21.1mm | Shoulder diameter of inner ring (large side face) |
d2 | 20.1mm | Shoulder diameter of inner ring (small side face) |
D1 | 25.9mm | Shoulder diameter of outer ring (large side face) |
K | 0.5mm | Diameter of lubrication hole |
C1 | 4.35mm | Distance from outer ring side face to lubrication groove / lubrication hole |
r1,2 | 0.3mm | Chamfer dimension (large side face) |
r3,4 | 0.15mm | Chamfer dimension (small side face) |
a | 6.6mm | Distance from side face to pressure point |
Abutment dimensions
da | 19.0mm | Diameter of shaft abutment |
db | 19.0mm | Diameter of shaft abutment |
Da | 28.0mm | Diameter of housing abutment |
Db | 29.2mm | Diameter of housing abutment |
ra | 0.3mm | Radius of fillet |
rb | 0.15mm | Radius of fillet |
dn | 22.0mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 3.38kN |
Basic static load rating | C0 | 1.53kN |
Fatigue load limit | Pu | 0.064kN |
Attainable speed for grease lubrication | 70000.0r/min | |
Attainable speed for oil-air lubrication | 106000.0r/min | |
Contact angle | u03b1 | 15.0u00b0 |
Ball diameter | Dw | 3.969mm |
Number of balls | z | 13.0 |
Reference grease quantity | Gref | 0.2cmu00b3 |
Mass
Mass | 0.016kg |