Angular contact ball bearings, super-precision 71901 ACE/HCP4AH
Bearing number : 71901 ACE/HCP4AH
Size (mm) : 12x24x6
Brand : SKF
Bore Diameter (mm) : 12
Outer Diameter (mm) : 24
Width (mm) : 6
Bearing dimensions and specification in SKF catalogue:
d - 12 mm
D - 24 mm
B - 6 mm
d1 - 16 mm
d2 - 15.26 mm
D1 - 19.95 mm
K - 0.5 mm
C1 - 3.65 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 7.7 mm
da - min. - 14 mm
db - min. - 14 mm
Da - max. - 22 mm
Db - max. - 23.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 16.8 mm
Basic dynamic load rating - C - 2 kN
Basic static load rating - C0 - 0.865 kN
Fatigue load limit - Pu - 0.036 kN
Limiting speed for grease lubrication - 98000 r/min
Limiting speed for oil lubrication - 150000 mm/min
Ball - Dw - 3.175 mm
Ball - z - 12
Gref - 0.1 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 18 N
Preload class B - GB - 55 N
Preload class C - GC - 110 N
Calculation factor - f - 1.04
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 30 N/micron
Preload class B - 45 N/micron
Preload class C - 59 N/micron
Mass bearing - 0.009 kg
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