Angular contact ball bearings, super-precision 71907 CD/HCP4A
Bearing number : 71907 CD/HCP4A
Size (mm) : 35x55x10
Brand : SKF
Bore Diameter (mm) : 35
Outer Diameter (mm) : 55
Width (mm) : 10
Bearing dimensions and specification in SKF catalogue:
d - 35 mm
D - 55 mm
B - 10 mm
d1 - 41.6 mm
d2 - 41.6 mm
D1 - 48.4 mm
r1,2 - min. - 0.6 mm
r3,4 - min. - 0.3 mm
a - 11.1 mm
da - min. - 38.2 mm
db - min. - 38.2 mm
Da - max. - 51.8 mm
Db - max. - 53.6 mm
ra - max. - 0.6 mm
rb - max. - 0.3 mm
dn - 43 mm
Basic dynamic load rating - C - 9.8 kN
Basic static load rating - C0 - 6.6 kN
Fatigue load limit - Pu - 0.275 kN
Limiting speed for grease lubrication - 32000 r/min
Limiting speed for oil lubrication - 45000 mm/min
Ball - Dw - 5.556 mm
Ball - z - 21
Gref - 0.93 cm3
Calculation factor - f0 - 10.4
Preload class A - GA - 35 N
Preload class B - GB - 70 N
Preload class C - GC - 140 N
Preload class D - GD - 280 N
Calculation factor - f - 1.1
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 - 35 N/micron
Preload class B - 47 N/micron
Preload class C - 64 N/micron
Preload class D - 91 N/micron
Mass bearing - 0.068 kg
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