Angular contact ball bearings, super-precision 71926 ACD/P4AH1
Bearing number : 71926 ACD/P4AH1
Size (mm) : 130x180x24
Brand : SKF
Bore Diameter (mm) : 130
Outer Diameter (mm) : 180
Width (mm) : 24
Bearing dimensions and specification in SKF catalogue:
d - 130 mm
D - 180 mm
B - 24 mm
d1 - 145.4 mm
d2 - 145.4 mm
D1 - 164.6 mm
K - 0.5 mm
C1 - 6.92 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 0.6 mm
a - 48.3 mm
da - min. - 137 mm
db - min. - 137 mm
Da - max. - 173 mm
Db - max. - 176 mm
ra - max. - 1.5 mm
rb - max. - 0.6 mm
dn - 149.5 mm
Basic dynamic load rating - C - 87.1 kN
Basic static load rating - C0 - 102 kN
Fatigue load limit - Pu - 3.4 kN
Limiting speed for grease lubrication - 6700 r/min
Limiting speed for oil lubrication - 10000 mm/min
Ball - Dw - 15.875 mm
Ball - z - 27
Gref - 20.4 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 - 540 N
Preload class B - GB - 1080 N
Preload class C - GC - 2160 N
Preload class D - GD - 4320 N
Calculation factor - f - 1.25
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - f2D - 1.14
Calculation factor - fHC - 1
Preload class A - 325 N/micron
Preload class B - 427 N/micron
Preload class C - 570 N/micron
Preload class D - 780 N/micron
Mass bearing - 1.55 kg
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