Angular contact ball bearings, super-precision S71913 CD/HCP4A
Bearing number : S71913 CD/HCP4A
Size (mm) : 65x90x13
Brand : SKF
Bore Diameter (mm) : 65
Outer Diameter (mm) : 90
Width (mm) : 13
Bearing dimensions and specification in SKF catalogue:
d - 65 mm
D - 90 mm
B - 13 mm
d1 - 72.7 mm
d2 - 72.7 mm
D2 - 84.5 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 17 mm
da - min. - 69.6 mm
da - max. - 72.1 mm
db - min. - 69.6 mm
db - max. - 72.1 mm
Da - max. - 85.4 mm
Db - max. - 88 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 20.8 kN
Basic static load rating - C0 - 17 kN
Fatigue load limit - Pu - 0.71 kN
Limiting speed for grease lubrication - 17000 r/min
Ball - Dw - 7.938 mm
Ball - z - 26
Calculation factor - f0 - 10.7
Preload class A - GA - 80 N
Preload class B - GB - 160 N
Preload class C - GC - 320 N
Preload class D - GD - 640 N
Calculation factor - f - 1.2
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.18
Calculation factor - fHC - 1.04
Preload class A - 62 N/micron
Preload class B - 84 N/micron
Preload class C - 115 N/micron
Preload class D - 164 N/micron
Mass bearing - 0.177 kg
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