Angular contact ball bearings, super-precision 7020 CD/HCP4A
Bearing number : 7020 CD/HCP4A
Size (mm) : 100x150x24
Brand : SKF
Bore Diameter (mm) : 100
Outer Diameter (mm) : 150
Width (mm) : 24
Bearing dimensions and specification in SKF catalogue:
d - 100 mm
D - 150 mm
B - 24 mm
d1 - 115.4 mm
d2 - 115.4 mm
D1 - 134.6 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 1 mm
a - 28.8 mm
da - min. - 107 mm
db - min. - 107 mm
Da - max. - 143 mm
Db - max. - 146 mm
ra - max. - 1.5 mm
rb - max. - 1 mm
dn - 118.7 mm
Basic dynamic load rating - C - 83.2 kN
Basic static load rating - C0 - 85 kN
Fatigue load limit - Pu - 3.2 kN
Limiting speed for grease lubrication - 10000 r/min
Limiting speed for oil lubrication - 16000 mm/min
Ball - Dw - 15.875 mm
Ball - z - 22
Gref - 16.2 cm3
Calculation factor - f0 - 15.8
Preload class A - GA - 310 N
Preload class B - GB - 620 N
Preload class C - GC - 1240 N
Preload class D - GD - 2480 N
Calculation factor - f - 1.16
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.09
Calculation factor - fHC - 1.02
Preload class A - 124 N/micron
Preload class B - 170 N/micron
Preload class C - 238 N/micron
Preload class D - 346 N/micron
Mass bearing - 1.046 kg
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