Angular contact ball bearings, super-precision 7217 CD/HCP4A
Bearing number : 7217 CD/HCP4A
Size (mm) : 85x150x28
Brand : SKF
Bore Diameter (mm) : 85
Outer Diameter (mm) : 150
Width (mm) : 28
Bearing dimensions and specification in SKF catalogue:
d - 85 mm
D - 150 mm
B - 28 mm
d1 - 106.5 mm
d2 - 106.5 mm
D1 - 129.5 mm
r1,2 - min. - 2 mm
r3,4 - min. - 1 mm
a - 29.9 mm
da - min. - 96 mm
db - min. - 96 mm
Da - max. - 139 mm
Db - max. - 144.4 mm
ra - max. - 2 mm
rb - max. - 1 mm
dn - 111.5 mm
Basic dynamic load rating - C - 99.5 kN
Basic static load rating - C0 - 88 kN
Fatigue load limit - Pu - 3.4 kN
Limiting speed for grease lubrication - 11000 r/min
Limiting speed for oil lubrication - 17000 mm/min
Ball - Dw - 19.05 mm
Ball - z - 17
Gref - 21.822 cm3
Calculation factor - f0 - 14.9
Preload class A - GA - 370 N
Preload class B - GB - 740 N
Preload class C - GC - 1480 N
Preload class D - GD - 2960 N
Calculation factor - f - 1.08
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.01
Calculation factor - f2C - 1.03
Calculation factor - f2D - 1.06
Calculation factor - fHC - 1.01
Preload class A - 114 N/micron
Preload class B - 154 N/micron
Preload class C - 215 N/micron
Preload class D - 309 N/micron
Mass bearing - 1.567 kg
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