Angular contact ball bearings, super-precision 71803 ACD/P4
Bearing number : 71803 ACD/P4
Size (mm) : 17x26x5
Brand : SKF
Bore Diameter (mm) : 17
Outer Diameter (mm) : 26
Width (mm) : 5
Bearing dimensions and specification in SKF catalogue:
d - 17 mm
D - 26 mm
B - 5 mm
d1 - 20.1 mm
d2 - 20.1 mm
D1 - 23 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 7.5 mm
da - min. - 19 mm
db - min. - 19 mm
Da - max. - 24 mm
Db - max. - 25.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 20.4 mm
Basic dynamic load rating - C - 2.2 kN
Basic static load rating - C0 - 1.5 kN
Fatigue load limit - Pu - 0.064 kN
Limiting speed for grease lubrication - 48000 r/min
Limiting speed for oil lubrication - 75000 mm/min
Ball - Dw - 2.381 mm
Ball - z - 18
Gref - 0.09 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 - 20 N
Preload class B - GB - 60 N
Preload class C - GC - 120 N
Calculation factor - f - 1.1
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 - 43 N/micron
Preload class B - 67 N/micron
Preload class C - 90 N/micron
Mass bearing - 0.01 kg
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