SKF S7020ACD/HCP4A Angular contact ball bearings,SKF S7020 ACD/HCP4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7020 ACD/HCP4A

S7020 ACD/HCP4A

Dimensions
d 100mm
D 150mm
B 24mm
d1 115.4mm
d2 115.4mm
D2 138.17mm
r1,2min.1.5mm
r3,4min.1mm
a 41.3mm
Abutment dimensions
damin.107mm
damax.114.8mm
dbmin.107mm
dbmax.114.8mm
Damax.143mm
Dbmax.146mm
ramax.1.5mm
rbmax.1mm
Calculation data
Basic dynamic load ratingC 79.3kN
Basic static load ratingC0 80kN
Fatigue load limitPu 3.05kN
Attainable speed for grease lubrication  9500r/min
Ball diameterDw 15.875mm
Number of ballsz 22 
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 500N
Static axial stiffness, preload class A  300N/µm
Preload class BGB 1000N
Static axial stiffness, preload class B  394N/µm
Preload class CGC 2000N
Static axial stiffness, preload class C  524N/µm
Preload class DGD 4000N
Static axial stiffness, preload class D  710N/µm
Calculation factors
Calculation factorf 1.16 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorf2D 1.08 
Calculation factorfHC 1.02 
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  1.06kg
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Hot number： 1500380 23152 CCK/W33 24120-2RS5/VT143 294/670 EM 44917 55x68x8 HMS5 V 7215 CD/HCP4A 990 VE R 87271 BTW 70 CTN9/SP FYE 3 NU 314 ECM/C3VL0241 S71922 ACB/HCP4A SAF 22628 T SNW 3126x4.1/2

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