Angular contact ball bearings, super-precision 71917 CB/HCP4A
Bearing number : 71917 CB/HCP4A
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 - 98.2 mm
d2 - 96.7 mm
D2 - 110.2 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 25.5 mm
da - min. - 91 mm
db - min. - 91 mm
Da - max. - 114 mm
Db - max. - 116.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 99.2 mm
Basic dynamic load rating - C - 16.3 kN
Basic static load rating - C0 - 16.3 kN
Fatigue load limit - Pu - 0.68 kN
Limiting speed for grease lubrication - 18000 r/min
Limiting speed for oil lubrication - 28000 mm/min
Ball - Dw - 6.747 mm
Ball - z - 37
Gref - 6.46 cm3
Calculation factor - f0 - 10
Preload class A - GA - 54 N
Preload class B - GB - 110 N
Preload class C - GC - 325 N
Calculation factor - f - 1.11
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.08
Calculation factor - fHC - 1.01
Preload class A - 58 N/micron
Preload class B - 76 N/micron
Preload class C - 121 N/micron
Mass bearing - 0.544 kg
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