SKF 7018ACD/P4A Angular contact ball bearings,SKF 7018 ACD/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 7018 ACD/P4A

7018 ACD/P4A

Dimensions
d 90mm
D 140mm
B 24mm
d1 105.4mm
d2 105.4mm
D1 124.6mm
r1,2min.1.5mm
r3,4min.1mm
a 39mm
Abutment dimensions
damin.97mm
dbmin.97mm
Damax.133mm
Dbmax.136mm
ramax.1.5mm
rbmax.1mm
dn 108.7mm
Calculation data
Basic dynamic load ratingC 74.1kN
Basic static load ratingC0 72kN
Fatigue load limitPu 2.85kN
Attainable speed for grease lubrication  8500r/min
Attainable speed for oil-air lubrication  13000r/min
Ball diameterDw 15.875mm
Number of ballsz 20 
Reference grease quantityGref 15cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 460N
Static axial stiffness, preload class A  245N/µm
Preload class BGB 920N
Static axial stiffness, preload class B  321N/µm
Preload class CGC 1840N
Static axial stiffness, preload class C  425N/µm
Preload class DGD 3680N
Static axial stiffness, preload class D  575N/µm
Calculation factors
Calculation factorf 1.14 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorf2D 1.08 
Calculation factorfHC 1 
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  1.16kg
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Hot number: 240/900 BC 22208 E 23222-2CS5/VT143 61803-2Z 628-Z 62x80x10 HMSA10 V 6319 M 71814 ACD/P4 7311 BECBY D/W R133-2ZS GEH 120 ESX-2LS IR 10x13x12.5 MB 19 A N 096 W 619/5-2Z

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