SKF 71906ACD/HCP4A Angular contact ball bearings,SKF 71906 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 71906 ACD/HCP4A

71906 ACD/HCP4A

Dimensions
d 30mm
D 47mm
B 9mm
d1 35.6mm
d2 35.6mm
D1 41.4mm
r1,2min.0.3mm
r3,4min.0.2mm
a 13.6mm
Abutment dimensions
damin.32mm
dbmin.32mm
Damax.45mm
Dbmax.45.6mm
ramax.0.3mm
rbmax.0.2mm
dn 36.8mm
Calculation data
Basic dynamic load ratingC 6.76kN
Basic static load ratingC0 4.3kN
Fatigue load limitPu 0.183kN
Attainable speed for grease lubrication  32000r/min
Attainable speed for oil-air lubrication  48000r/min
Ball diameterDw 4.762mm
Number of ballsz 20 
Reference grease quantityGref 0.63cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 40N
Static axial stiffness, preload class A  72N/µm
Preload class BGB 80N
Static axial stiffness, preload class B  93N/µm
Preload class CGC 160N
Static axial stiffness, preload class C  121N/µm
Preload class DGD 320N
Static axial stiffness, preload class D  161N/µm
Calculation factors
Calculation factorf 1.08 
Calculation factorf1 0.98 
Calculation factorf2A 1 
Calculation factorf2B 1.07 
Calculation factorf2C 1.12 
Calculation factorf2D 1.17 
Calculation factorfHC 1.04 
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  0.045kg
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Hot number: 1309 ETN9 17448 29465 31321 X 80x110x12 HMSA10 V 90x110x12 HMS5 V 91396 FSAF 1220 HA 2326 NJ 219 ECML NU 1015 M/HC5C3 SYWR 1.7/16 YTHR SNW 20x3.3/8 W 638/5-2RZ YEL 204-2F

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