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

71906 ACE/HCP4A

Dimensions
d 30mm
D 47mm
B 9mm
d1 35.8mm
d2 34.4mm
D1 41.39mm
r1,2min.0.3mm
r3,4min.0.15mm
a 14.3mm
Abutment dimensions
damin.32mm
dbmin.32mm
Damax.45mm
Dbmax.46.2mm
ramax.0.3mm
rbmax.0.15mm
dn 36.8mm
Calculation data
Basic dynamic load ratingC 5.27kN
Basic static load ratingC0 3.1kN
Fatigue load limitPu 0.132kN
Attainable speed for grease lubrication  44000r/min
Attainable speed for oil-air lubrication  70000r/min
Ball diameterDw 4.762mm
Number of ballsz 18 
Reference grease quantityGref 0.6cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 48N
Static axial stiffness, preload class A  61N/µm
Preload class BGB 145N
Static axial stiffness, preload class B  94N/µm
Preload class CGC 290N
Static axial stiffness, preload class C  123N/µm
Calculation factors
Calculation factorf 1.08 
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  0.045kg
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Hot number: 13940 17709 18x40x7 HMS5 V 30x45x7 HMSA10 RG 61906-2RZ 7017 CE/P4AL1 706 CD/HCP4AH C 31/1000 KMB G 17x25x3 N 1013 KPHA/HC5SP NUP 2310 ECP PCZ 1414 M SAFS 23052 KATLC x 9.7/16 QJ 215 N2PHAS S71908 ACB/P4A

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