Angular contact ball bearings, super-precision S71912 CD/HCP4A
Bearing number : S71912 CD/HCP4A
Size (mm) : 60x85x13
Brand : SKF
Bore Diameter (mm) : 60
Outer Diameter (mm) : 85
Width (mm) : 13
Bearing dimensions and specification in SKF catalogue:
d - 60 mm
D - 85 mm
B - 13 mm
d1 - 67.7 mm
d2 - 67.7 mm
D2 - 79.56 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 16.3 mm
da - min. - 64.6 mm
da - max. - 67.1 mm
db - min. - 64.6 mm
db - max. - 67.1 mm
Da - max. - 80.4 mm
Db - max. - 83 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 19.9 kN
Basic static load rating - C0 - 15.3 kN
Fatigue load limit - Pu - 0.655 kN
Limiting speed for grease lubrication - 18000 r/min
Ball - Dw - 7.938 mm
Ball - z - 24
Calculation factor - f0 - 10.5
Preload class A - GA - 70 N
Preload class B - GB - 140 N
Preload class C - GC - 280 N
Preload class D - GD - 560 N
Calculation factor - f - 1.17
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 - 56 N/micron
Preload class B - 74 N/micron
Preload class C - 102 N/micron
Preload class D - 145 N/micron
Mass bearing - 0.165 kg
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