Angular contact ball bearings, super-precision 71906 CD/HCP4A
Bearing number : 71906 CD/HCP4A
Size (mm) : 30x47x9
Brand : SKF
Bore Diameter (mm) : 30
Outer Diameter (mm) : 47
Width (mm) : 9
Bearing dimensions and specification in SKF catalogue:
d - 30 mm
D - 47 mm
B - 9 mm
d1 - 35.6 mm
d2 - 35.6 mm
D1 - 41.4 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.2 mm
a - 9.7 mm
da - min. - 32 mm
db - min. - 32 mm
Da - max. - 45 mm
Db - max. - 45.6 mm
ra - max. - 0.3 mm
rb - max. - 0.2 mm
dn - 36.8 mm
Basic dynamic load rating - C - 7.2 kN
Basic static load rating - C0 - 4.6 kN
Fatigue load limit - Pu - 0.193 kN
Limiting speed for grease lubrication - 38000 r/min
Limiting speed for oil lubrication - 53000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 20
Gref - 0.63 cm3
Calculation factor - f0 - 10.4
Preload class A - GA - 25 N
Preload class B - GB - 50 N
Preload class C - GC - 100 N
Preload class D - GD - 200 N
Calculation factor - f - 1.08
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.07
Calculation factor - f2C - 1.12
Calculation factor - f2D - 1.18
Calculation factor - fHC - 1.04
Preload class A - 29 N/micron
Preload class B - 39 N/micron
Preload class C - 53 N/micron
Preload class D - 74 N/micron
Mass bearing - 0.045 kg
Bearing center / SKF Bearings_SKF bearing_NSK bearing_FAG .
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