Angular contact ball bearings, super-precision 7011 ACB/HCP4AL
Bearing number : 7011 ACB/HCP4AL
Size (mm) : 55x90x18
Brand : SKF
Bore Diameter (mm) : 55
Outer Diameter (mm) : 90
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 55 mm
D - 90 mm
B - 18 mm
d1 - 68.18 mm
d2 - 66.65 mm
D2 - 79.39 mm
b - 2.2 mm
C1 - 9 mm
C2 - 4.3 mm
C3 - 2.8 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 26 mm
da - min. - 61 mm
db - min. - 61 mm
Da - max. - 84 mm
Db - max. - 86.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 69.2 mm
Basic dynamic load rating - C - 13.3 kN
Basic static load rating - C0 - 10.4 kN
Fatigue load limit - Pu - 0.44 kN
Limiting speed for grease lubrication - 24000 r/min
Limiting speed for oil lubrication - 36000 mm/min
Ball - Dw - 6.747 mm
Ball - z - 26
Gref - 4.69 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 - 78 N
Preload class B - GB - 155 N
Preload class C - GC - 470 N
Calculation factor - f - 1.06
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1.01
Preload class A - 112 N/micron
Preload class B - 142 N/micron
Preload class C - 215 N/micron
Mass bearing - 0.4 kg
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