SKF S71918ACE/HCP4A Angular contact ball bearings,SKF S71918 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 S71918 ACE/HCP4A

S71918 ACE/HCP4A

Dimensions
d 90mm
D 125mm
B 18mm
d1 101mm
d2 97.9mm
D2 117.3mm
r1,2min.1.1mm
r3,4min.0.6mm
a 35.9mm
Abutment dimensions
damin.96mm
damax.100.4mm
dbmin.93.2mm
dbmax.97.3mm
Damax.119mm
Dbmax.121.8mm
ramax.1mm
rbmax.0.6mm
Calculation data
Basic dynamic load ratingC 28.6kN
Basic static load ratingC0 23.2kN
Fatigue load limitPu 0.915kN
Attainable speed for grease lubrication  15500r/min
Ball diameterDw 11.112mm
Number of ballsz 24 
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 260N
Static axial stiffness, preload class A  182N/µm
Preload class BGB 780N
Static axial stiffness, preload class B  274N/µm
Preload class CGC 1560N
Static axial stiffness, preload class C  360N/µm
Calculation factors
Calculation factorf 1.19 
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  0.46kg
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