SKF 7018ACD/P4AL Angular contact ball bearings,SKF 7018 ACD/P4AL 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/P4AL

7018 ACD/P4AL

Dimensions
d 90mm
D 140mm
B 24mm
d1 105.4mm
d2 105.4mm
D1 124.6mm
b 2.2mm
C1 13.4mm
C2 5.2mm
C3 4.3mm
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: 12907 16006/HR11QN 19x32x7 HMSA10 V 22212 EK 23230 CCK/W33 51202 V/HR11T1 6414 65x100x10 HMSA10 RG 7006 ACE/P4AL 99160 NJ 2207 ECJ NJ 414 RN-4x25.8 BF/G2 SNL 3060 TURA W 619/8-2RS1

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