Angular contact ball bearings, super-precision 71813 ACD/P4
Bearing number : 71813 ACD/P4
Size (mm) : 65x85x10
Brand : SKF
Bore Diameter (mm) : 65
Outer Diameter (mm) : 85
Width (mm) : 10
Bearing dimensions and specification in SKF catalogue:
d - 65 mm
D - 85 mm
B - 10 mm
d1 - 71.7 mm
d2 - 71.7 mm
D1 - 78.5 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 22.5 mm
da - min. - 68.2 mm
db - min. - 68.2 mm
Da - max. - 81.8 mm
Db - max. - 83 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 72.4 mm
Basic dynamic load rating - C - 12.7 kN
Basic static load rating - C0 - 14 kN
Fatigue load limit - Pu - 0.585 kN
Limiting speed for grease lubrication - 13000 r/min
Limiting speed for oil lubrication - 20000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 29
Gref - 1.3 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 - 115 N
Preload class B - GB - 345 N
Preload class C - GC - 690 N
Calculation factor - f - 1.28
Calculation factor - f1 - 0.97
Calculation factor - f2A - 1
Calculation factor - f2B - 1.08
Calculation factor - f2C - 1.15
Calculation factor - fHC - 1
Preload class A - 144 N/micron
Preload class B - 227 N/micron
Preload class C - 312 N/micron
Mass bearing - 0.126 kg
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