Angular contact ball bearings, super-precision 71918 CE/HCP4AH1
Bearing number : 71918 CE/HCP4AH1
Size (mm) : 90x125x18
Brand : SKF
Bore Diameter (mm) : 90
Outer Diameter (mm) : 125
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 90 mm
D - 125 mm
B - 18 mm
d1 - 101 mm
d2 - 97.9 mm
D1 - 114.22 mm
K - 0.5 mm
C1 - 5.48 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 24.4 mm
da - min. - 96 mm
db - min. - 93.2 mm
Da - max. - 119 mm
Db - max. - 121.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 103.5 mm
Basic dynamic load rating - C - 30.2 kN
Basic static load rating - C0 - 24.5 kN
Fatigue load limit - Pu - 0.965 kN
Limiting speed for grease lubrication - 17000 r/min
Limiting speed for oil lubrication - 27000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 24
Gref - 7 cm3
Calculation factor - f0 - 8.5
Preload class A - GA - 163 N
Preload class B - GB - 488 N
Preload class C - GC - 977 N
Calculation factor - f - 1.19
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.05
Calculation factor - f2C - 1.09
Calculation factor - fHC - 1.01
Preload class A - 72 N/micron
Preload class B - 114 N/micron
Preload class C - 157 N/micron
Mass bearing - 0.459 kg
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