Specifications of SKF Bearing 708 ACE/P4A
Dimensions
d | 8.0mm | Bore diameter |
D | 22.0mm | Outside diameter |
B | 7.0mm | Width |
d1 | 12.1mm | Shoulder diameter of inner ring (large side face) |
d2 | 11.5mm | Shoulder diameter of inner ring (small side face) |
D1 | 17.9mm | Shoulder diameter of outer ring (large side face) |
r1,2 | 0.3mm | Chamfer dimension (large side face) |
r3,4 | 0.15mm | Chamfer dimension (small side face) |
a | 7.1mm | Distance from side face to pressure point |
Abutment dimensions
da | 10.0mm | Diameter of shaft abutment |
db | 10.0mm | Diameter of shaft abutment |
Da | 20.0mm | Diameter of housing abutment |
Db | 20.6mm | Diameter of housing abutment |
ra | 0.3mm | Radius of fillet |
rb | 0.15mm | Radius of fillet |
dn | 13.3mm | Position of oil nozzle |
Calculation data
Basic dynamic load rating | C | 2.29kN |
Basic static load rating | C0 | 0.765kN |
Fatigue load limit | Pu | 0.032kN |
Attainable speed for grease lubrication | 98000.0r/min | |
Attainable speed for oil-air lubrication | 150000.0r/min | |
Contact angle | u03b1 | 25.0u00b0 |
Ball diameter | Dw | 3.969mm |
Number of balls | z | 8.0 |
Reference grease quantity | Gref | 0.17cmu00b3 |
Mass
Mass | 0.012kg |