SKF 71928CD/P4AH1 Angular contact ball bearings,SKF 71928 CD/P4AH1 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71928 CD/P4AH1

71928 CD/P4AH1

Dimensions
d 140mm
D 190mm
B 24mm
d1 155.4mm
d2 155.4mm
D1 174.6mm
K 0.5mm
C1 6.92mm
r1,2min.1.5mm
r3,4min.0.6mm
a 34.2mm
Abutment dimensions
damin.147mm
dbmin.147mm
Damax.183mm
Dbmax.186mm
ramax.1.5mm
rbmax.0.6mm
dn 159.5mm
Calculation data
Basic dynamic load ratingC 95.6kN
Basic static load ratingC0 116kN
Fatigue load limitPu 3.9kN
Attainable speed for grease lubrication  6700r/min
Attainable speed for oil-air lubrication  10000r/min
Ball diameterDw 15.875mm
Number of ballsz 29 
Reference grease quantityGref 21.6cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 360N
Static axial stiffness, preload class A  146N/µm
Preload class BGB 720N
Static axial stiffness, preload class B  201N/µm
Preload class CGC 1440N
Static axial stiffness, preload class C  286N/µm
Preload class DGD 2880N
Static axial stiffness, preload class D  420N/µm
Calculation factors
Calculation factorf 1.29 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.09 
Calculation factorf2D 1.15 
Calculation factorfHC 1 
Calculation factorf0 16.6 
Mass
Mass bearing  1.65kg
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Hot number: 239/630 CAK/W33 26749 35x47x7 HMSA10 RG 51103 V/HR22T2 6207-ZNR 7020 CE/P4AL 82560 FYTB 30 TF NU 1034 ML NCF 2930 CV OKCX 770 NUKR 90 XA SAF 23038 KATLC x 7 SNP 3052x9.7/16 W 61818-2RS1

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