SKF 7207ACD/HCP4A Angular contact ball bearings,SKF 7207 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 7207 ACD/HCP4A

7207 ACD/HCP4A

Dimensions
d 35mm
D 72mm
B 17mm
d1 46.8mm
d2 46.8mm
D1 60.2mm
r1,2min.1.1mm
r3,4min.0.3mm
a 21.1mm
Abutment dimensions
damin.42mm
dbmin.42mm
Damax.65mm
Dbmax.69.6mm
ramax.1mm
rbmax.0.3mm
dn 49.7mm
Calculation data
Basic dynamic load ratingC 30.7kN
Basic static load ratingC0 20.8kN
Fatigue load limitPu 0.88kN
Attainable speed for grease lubrication  20000r/min
Attainable speed for oil-air lubrication  34000r/min
Ball diameterDw 11.112mm
Number of ballsz 13 
Reference grease quantityGref 3.903cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 190N
Static axial stiffness, preload class A  132N/µm
Preload class BGB 380N
Static axial stiffness, preload class B  171N/µm
Preload class CGC 760N
Static axial stiffness, preload class C  227N/µm
Preload class DGD 1520N
Static axial stiffness, preload class D  305N/µm
Calculation factors
Calculation factorf 1.05 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.03 
Calculation factorf2D 1.06 
Calculation factorfHC 1.01 
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  0.24kg
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Hot number: 239/1060 CAF/W33 4302 ATN9 400065 450 VA V 7015 ACE/HCP4A FBSA 212 A/QBC GE 110 ES HK 1616 L 814749/710 M 88043/010 PBM 172520 M1G1 SIKAC 5 M SAF 23028 KA x 4.7/8 SNL 3134 TURT W 61804 R-2Z

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