Angular contact ball bearings, super-precision 708 CE/HCP4A
Bearing number : 708 CE/HCP4A
Size (mm) : 8x22x7
Brand : SKF
Bore Diameter (mm) : 8
Outer Diameter (mm) : 22
Width (mm) : 7
Bearing dimensions and specification in SKF catalogue:
d - 8 mm
D - 22 mm
B - 7 mm
d1 - 12.1 mm
d2 - 11.5 mm
D1 - 17.9 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 5.6 mm
da - min. - 10 mm
db - min. - 10 mm
Da - max. - 20 mm
Db - max. - 20.6 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 13.3 mm
Basic dynamic load rating - C - 2.3 kN
Basic static load rating - C0 - 0.8 kN
Fatigue load limit - Pu - 0.034 kN
Limiting speed for grease lubrication - 130000 r/min
Limiting speed for oil lubrication - 200000 mm/min
Ball - Dw - 3.969 mm
Ball - z - 8
Gref - 0.17 cm3
Calculation factor - f0 - 6.6
Preload class A - GA - 15 N
Preload class B - GB - 35 N
Preload class C - GC - 75 N
Calculation factor - f - 1.02
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1.01
Preload class A - 11 N/micron
Preload class B - 16 N/micron
Preload class C - 22 N/micron
Mass bearing - 0.011 kg
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