SKF 727CD/P4A Angular contact ball bearings,SKF 727 CD/P4A Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 727 CD/P4A

727 CD/P4A

Dimensions
d 7mm
D 22mm
B 7mm
d1 12.6mm
d2 12.6mm
D1 17.4mm
r1,2min.0.3mm
r3,4min.0.2mm
a 5.5mm
Abutment dimensions
damin.9.4mm
dbmin.9.4mm
Damax.19.6mm
Dbmax.20.2mm
ramax.0.3mm
rbmax.0.2mm
dn 13.6mm
Calculation data
Basic dynamic load ratingC 2.96kN
Basic static load ratingC0 1.16kN
Fatigue load limitPu 0.049kN
Attainable speed for grease lubrication  80000r/min
Attainable speed for oil-air lubrication  120000r/min
Ball diameterDw 3.969mm
Number of ballsz 9 
Reference grease quantityGref 0.162cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 12N
Static axial stiffness, preload class A  11N/µm
Preload class BGB 24N
Static axial stiffness, preload class B  15N/µm
Preload class CGC 48N
Static axial stiffness, preload class C  21N/µm
Preload class DGD 96N
Static axial stiffness, preload class D  30N/µm
Calculation factors
Calculation factorf 1.02 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.03 
Calculation factorf2D 1.05 
Calculation factorfHC 1 
Calculation factorf0 8.4 
Mass
Mass bearing  0.013kg
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Hot number: 1125111 1305 EKTN9 25x52x7 HMS5 RG 305704 C-2RS1 54209 + U 209 62314-2RS1 71924 CB/P4A C 2209 V BD-C 2222 K-AHX 3122 GEC 320 FBAS HA 3034 E HCRE 025 R KRV 16 PPXA PCZ 2832 E SA 6 E

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