SKF 7203ACD/P4A Angular contact ball bearings,SKF 7203 ACD/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 7203 ACD/P4A

7203 ACD/P4A

Dimensions
d 17mm
D 40mm
B 12mm
d1 24.1mm
d2 24.1mm
D1 32.8mm
r1,2min.0.6mm
r3,4min.0.3mm
a 12.8mm
Abutment dimensions
damin.21.2mm
dbmin.21.2mm
Damax.35.8mm
Dbmax.37.6mm
ramax.0.6mm
rbmax.0.3mm
dn 25.9mm
Calculation data
Basic dynamic load ratingC 8.84kN
Basic static load ratingC0 4kN
Fatigue load limitPu 0.17kN
Attainable speed for grease lubrication  38000r/min
Attainable speed for oil-air lubrication  56000r/min
Ball diameterDw 7.144mm
Number of ballsz 10 
Reference grease quantityGref 1.005cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 60N
Static axial stiffness, preload class A  53N/µm
Preload class BGB 120N
Static axial stiffness, preload class B  68N/µm
Preload class CGC 240N
Static axial stiffness, preload class C  89N/µm
Preload class DGD 480N
Static axial stiffness, preload class D  118N/µm
Calculation factors
Calculation factorf 1.03 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.02 
Calculation factorf2D 1.05 
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  0.063kg
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Hot number: 38x72x10 HMS5 RG 6201 624/HR22Q2 86850 BT2B 334068/HA1VA901 IR 85x95x26 EGS K 24x30x17 NJ 2305 ECML NK 90/25 NUP 215 ECJ NUP 3984 ECMA S7008 ACB/HCP4A SAFS 22522 x 3.11/16 T SILR 50 ES SYNT 75 LW

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