Angular contact ball bearings, super-precision 71922 ACE/HCP4A
Bearing number : 71922 ACE/HCP4A
Size (mm) : 110x150x20
Brand : SKF
Bore Diameter (mm) : 110
Outer Diameter (mm) : 150
Width (mm) : 20
Bearing dimensions and specification in SKF catalogue:
d - 110 mm
D - 150 mm
B - 20 mm
d1 - 122.4 mm
d2 - 119 mm
D1 - 137.51 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 42.7 mm
da - min. - 116 mm
db - min. - 113.2 mm
Da - max. - 144 mm
Db - max. - 146.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 125.4 mm
Basic dynamic load rating - C - 37.7 kN
Basic static load rating - C0 - 32.5 kN
Fatigue load limit - Pu - 1.2 kN
Limiting speed for grease lubrication - 12300 r/min
Limiting speed for oil lubrication - 19000 mm/min
Ball - Dw - 12.7 mm
Ball - z - 26
Gref - 11 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 - 340 N
Preload class B - GB - 1030 N
Preload class C - GC - 2070 N
Calculation factor - f - 1.2
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 - 221 N/micron
Preload class B - 334 N/micron
Preload class C - 441 N/micron
Mass bearing - 0.699 kg
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