Angular contact ball bearings, super-precision 71913 ACE/P4AL
Bearing number : 71913 ACE/P4AL
Size (mm) : 65x90x13
Brand : SKF
Bore Diameter (mm) : 65
Outer Diameter (mm) : 90
Width (mm) : 13
Bearing dimensions and specification in SKF catalogue:
d - 65 mm
D - 90 mm
B - 13 mm
d1 - 72.75 mm
d2 - 70.7 mm
D1 - 82.32 mm
b - 2.2 mm
C1 - 6.5 mm
C2 - 2.5 mm
C3 - 2 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 25.8 mm
da - min. - 69.6 mm
db - min. - 67 mm
Da - max. - 85.4 mm
Db - max. - 88 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
dn - 74.5 mm
Basic dynamic load rating - C - 15.6 kN
Basic static load rating - C0 - 11.8 kN
Fatigue load limit - Pu - 0.5 kN
Limiting speed for grease lubrication - 18000 r/min
Limiting speed for oil lubrication - 28000 mm/min
Ball - Dw - 7.938 mm
Ball - z - 24
Gref - 2.6 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 - 142 N
Preload class B - GB - 425 N
Preload class C - GC - 850 N
Calculation factor - f - 1.19
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.07
Calculation factor - fHC - 1
Preload class A - 120 N/micron
Preload class B - 181 N/micron
Preload class C - 238 N/micron
Mass bearing - 0.2 kg
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