SKF 71806CD/HCP4 Angular contact ball bearings,SKF 71806 CD/HCP4 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71806 CD/HCP4

71806 CD/HCP4

Dimensions
d 30mm
D 42mm
B 7mm
d1 34.1mm
d2 34.1mm
D1 38.1mm
r1,2min.0.3mm
r3,4min.0.15mm
a 8.3mm
Abutment dimensions
damin.32mm
dbmin.32mm
Damax.40mm
Dbmax.41.2mm
ramax.0.3mm
rbmax.0.15mm
dn 34.5mm
Calculation data
Basic dynamic load ratingC 4.42kN
Basic static load ratingC0 3.75kN
Fatigue load limitPu 0.16kN
Attainable speed for grease lubrication  38000r/min
Attainable speed for oil-air lubrication  60000r/min
Ball diameterDw 3.175mm
Number of ballsz 23 
Reference grease quantityGref 0.24cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 23N
Static axial stiffness, preload class A  32N/µm
Preload class BGB 70N
Static axial stiffness, preload class B  55N/µm
Preload class CGC 140N
Static axial stiffness, preload class C  80N/µm
Calculation factors
Calculation factorf 1.14 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.1 
Calculation factorf2C 1.18 
Calculation factorfHC 1.02 
Calculation factorf0 16.8 
Mass
Mass bearing  0.024kg
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Hot number: 11776 7004 ACE/P4AL 7024 CB/P4AL 99174 AHX 3228 G KRVE 35 PPA L 467549/510 LR 35x40x12.5 NATV 30 PPA NNCL 4844 CV PF 5/8 TF S7019 CB/P4A SAF 22528 x 5 TLC SAW 23544 x 7.7/8 T WS 81112

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