SKF S7207ACD/HCP4A Angular contact ball bearings,SKF S7207 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 S7207 ACD/HCP4A

S7207 ACD/HCP4A

Dimensions
d 35mm
D 72mm
B 17mm
d1 46.8mm
d2 46.8mm
D2 63.2mm
r1,2min.1.1mm
r3,4min.0.3mm
a 21.1mm
Abutment dimensions
damin.42mm
damax.46.2mm
dbmin.42mm
dbmax.46.2mm
Damax.65mm
Dbmax.69.6mm
ramax.1mm
rbmax.0.3mm
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
Ball diameterDw 11.112mm
Number of ballsz 13 
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: 1310 EKTN9 + H 310 22226 EK 319254/VJ202 29330 E 61892 MA 71915 ACB/P4AL 99152 BD-BS2-2216-2RSK/VT143-H 316 E FYT 40 TF/VA201 H 3122 HJ 252 NJ 212 ECM NNC 4952 CV NU 2268 N2MA SYE 1 11/16-3

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