SKF 71911ACE/HCP4A Angular contact ball bearings,SKF 71911 ACE/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 71911 ACE/HCP4A

71911 ACE/HCP4A

Dimensions
d 55mm
D 80mm
B 13mm
d1 62.75mm
d2 60.7mm
D1 72.3mm
r1,2min.1mm
r3,4min.0.3mm
a 23.5mm
Abutment dimensions
damin.59.6mm
dbmin.57mm
Damax.75.4mm
Dbmax.78mm
ramax.1mm
rbmax.0.3mm
dn 64.6mm
Calculation data
Basic dynamic load ratingC 14.6kN
Basic static load ratingC0 10.2kN
Fatigue load limitPu 0.43kN
Attainable speed for grease lubrication  25000r/min
Attainable speed for oil-air lubrication  39000r/min
Ball diameterDw 7.938mm
Number of ballsz 21 
Reference grease quantityGref 2.3cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 133N
Static axial stiffness, preload class A  116N/µm
Preload class BGB 400N
Static axial stiffness, preload class B  178N/µm
Preload class CGC 800N
Static axial stiffness, preload class C  233N/µm
Calculation factors
Calculation factorf 1.16 
Calculation factorf1 0.98 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.08 
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  0.14kg
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Hot number: 19212 232/560 CAK/W33 30x46x7 HMS5 V 350x390x18 HDS1 V 35x72x8 CRW1 V 40x55x10 CRS1 R 470571 C 30/750 KMB FSAF 22613 x 2.1/4 T FYWR 1.1/4 YTHR KML 28 NK 45/20 TN SNW 3028x4.15/16 SY 1.11/16 WDW SYK 40 LF

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