Angular contact ball bearings, super-precision 71917 CD/P4AH1
Bearing number : 71917 CD/P4AH1
Size (mm) : 85x120x18
Brand : SKF
Bore Diameter (mm) : 85
Outer Diameter (mm) : 120
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 85 mm
D - 120 mm
B - 18 mm
d1 - 95.8 mm
d2 - 95.8 mm
D1 - 109.2 mm
K - 0.5 mm
C1 - 5.2 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 22.8 mm
da - min. - 91 mm
db - min. - 91 mm
Da - max. - 114 mm
Db - max. - 116 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 98.6 mm
Basic dynamic load rating - C - 46.2 kN
Basic static load rating - C0 - 48 kN
Fatigue load limit - Pu - 2 kN
Limiting speed for grease lubrication - 10000 r/min
Limiting speed for oil lubrication - 17000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 25
Gref - 7.2 cm3
Calculation factor - f0 - 16.2
Preload class A - GA - 170 N
Preload class B - GB - 340 N
Preload class C - GC - 680 N
Preload class D - GD - 1360 N
Calculation factor - f - 1.2
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.09
Calculation factor - f2D - 1.15
Calculation factor - fHC - 1
Preload class A - 89 N/micron
Preload class B - 122 N/micron
Preload class C - 172 N/micron
Preload class D - 251 N/micron
Mass bearing - 0.53 kg
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