SKF 7020ACB/P4A Angular contact ball bearings,SKF 7020 ACB/P4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7020 ACB/P4A

7020 ACB/P4A

Dimensions
d 100mm
D 150mm
B 24mm
d1 118.7mm
d2 116.15mm
D2 135mm
r1,2min.1.5mm
r3,4min.1mm
a 41.4mm
Abutment dimensions
damin.107mm
dbmin.107mm
Damax.143mm
Dbmax.145.4mm
ramax.1.5mm
rbmax.1mm
dn 120mm
Calculation data
Basic dynamic load ratingC 35.8kN
Basic static load ratingC0 42.5kN
Fatigue load limitPu 0.98kN
Attainable speed for grease lubrication  10000r/min
Attainable speed for oil-air lubrication  15000r/min
Ball diameterDw 10.319mm
Number of ballsz 27 
Reference grease quantityGref 15.34cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 165N
Static axial stiffness, preload class A  152N/µm
Preload class BGB 330N
Static axial stiffness, preload class B  194N/µm
Preload class CGC 990N
Static axial stiffness, preload class C  294N/µm
Calculation factors
Calculation factorf 1.08 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.04 
Calculation factorfHC 1 
Calculation factore 0.68 
Calculation factor (single, tandem)Y2 0.87 
Calculation factor (single, tandem)Y0 0.38 
Calculation factor (single, tandem)X2 0.41 
Calculation factor (back-to-back, face-to-face)Y1 0.92 
Calculation factor (back-to-back, face-to-face)Y2 1.41 
Calculation factor (back-to-back, face-to-face)Y0 0.76 
Calculation factor (back-to-back, face-to-face)X2 0.67 
Mass
Mass bearing  1.36kg
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Hot number: 1588332 19212 25102 355 VE R 417003 45 VS R 6003-2RSL 61816-2RZ 71818 CD/HCP4 71914 CD/P4A CRM 32 AMB NNF 5007 ADB-2LSV NRT 150 B PPM 303430 W 627-2RZ

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