Angular contact ball bearings, super-precision 7020 ACE/HCP4AH1
Bearing number : 7020 ACE/HCP4AH1
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 - 117.38 mm
d2 - 114.2 mm
D1 - 132.61 mm
K - 0.5 mm
C1 - 7.82 mm
r1,2 - min. - 1.5 mm
r3,4 - min. - 1 mm
a - 41.4 mm
da - min. - 107 mm
db - min. - 107 mm
Da - max. - 143 mm
Db - max. - 144.4 mm
ra - max. - 1.5 mm
rb - max. - 1 mm
dn - 120.4 mm
Basic dynamic load rating - C - 42.3 kN
Basic static load rating - C0 - 38 kN
Fatigue load limit - Pu - 1.4 kN
Limiting speed for grease lubrication - 12700 r/min
Limiting speed for oil lubrication - 20000 mm/min
Ball - Dw - 12.7 mm
Ball - z - 27
Gref - 17 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 390 N
Preload class B - GB - 1150 N
Preload class C - GC - 2310 N
Calculation factor - f - 1.12
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.06
Calculation factor - fHC - 1.01
Preload class A - 245 N/micron
Preload class B - 366 N/micron
Preload class C - 483 N/micron
Mass bearing - 1.123 kg
Ball Bearing Comparison - practicalmachinist.c
The major players, INA/FAG, SKF and Timken all manufacture in China and have top notch quality control, so those bearings should be the same quality as those made here and in Europe. Timken is the only major I know of that imports Chinese bearings, so if you see an SKF or FAG with Chinese markings on it, be suspect.
SKF front wheel bearing hub assemblies - any good? - Bob .
SKF front wheel bearing hub assemblies - any good? #2235009 04/17/11 03:48 PM 04/17/11 03:48 PM: Joined: Jan 2007 ... but I have used SKF bearings in the past with no problems (front wheel bearings on GM and Ford cars). ... it's a 4wheel drive.. they'd have to dig a little to get those bearings out. But SKF is a very high quality brand.. I'd ...
7020ACE/HCP4AH1 bearing SKF 7020ACE/HCP4AH1 - Cheap .
SKF 7020ACE/HCP4AH1 bearing. SKF 7020ACE/HCP4AH1, Size: SKF 7020ACE/HCP4AH1 bearing, Size: 100x150x24. SKF 7020ACE/HCP4AH1 are used in a wide variety of applications, they are simple in design, suitable for high speeds and are robust in operation, and need little maintenance.
India's No. 1 SKF Bearing Dealer, Distributor, wholesaler .
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