SKF 7018ACE/P4AL1 Angular contact ball bearings,SKF 7018 ACE/P4AL1 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 ACE/P4AL1

7018 ACE/P4AL1

Dimensions
d 90mm
D 140mm
B 24mm
d1 108.33mm
d2 105.5mm
D1 121.66mm
b 1.8mm
C1 7.6mm
C2 4.3mm
C3 4.3mm
r1,2min.1.5mm
r3,4min.1mm
a 39mm
Abutment dimensions
damin.97mm
dbmin.97mm
Damax.133mm
Dbmax.134.4mm
ramax.1.5mm
rbmax.1mm
dn 111mm
Calculation data
Basic dynamic load ratingC 33.8kN
Basic static load ratingC0 30kN
Fatigue load limitPu 1.2kN
Attainable speed for grease lubrication  12000r/min
Attainable speed for oil-air lubrication  19000r/min
Ball diameterDw 11.112mm
Number of ballsz 28 
Reference grease quantityGref 14cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 300N
Static axial stiffness, preload class A  196N/µm
Preload class BGB 920N
Static axial stiffness, preload class B  297N/µm
Preload class CGC 1840N
Static axial stiffness, preload class C  389N/µm
Calculation factors
Calculation factorf 1.1 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.03 
Calculation factorf2C 1.06 
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  1.2kg
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Hot number: 2305 E-2RS1KTN9 313555 B 3309 A 3450560 6224/C3VL0241 7411 BCBM 891/1000 M 9982 BT4B 332666/HA1 FSNL 613 TURU GB 4948 K 28x35x16 NATR 20 PPA PCM 081010 M PCZ 1414 M

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