SKF 7040ACD/P4A Angular contact ball bearings,SKF 7040 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 7040 ACD/P4A

7040 ACD/P4A

Dimensions
d 200mm
D 310mm
B 51mm
d1 233.9mm
d2 233.9mm
D1 276.1mm
r1,2min.2.1mm
r3,4min.1.1mm
a 85.3mm
Abutment dimensions
damin.211mm
dbmin.211mm
Damax.299mm
Dbmax.304mm
ramax.2mm
rbmax.1mm
dn 243.2mm
Calculation data
Basic dynamic load ratingC 281kN
Basic static load ratingC0 365kN
Fatigue load limitPu 9.8kN
Attainable speed for grease lubrication  4000r/min
Attainable speed for oil-air lubrication  6000r/min
Ball diameterDw 34.925mm
Number of ballsz 21 
Reference grease quantityGref 153cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 1750N
Static axial stiffness, preload class A  509N/µm
Preload class BGB 3500N
Static axial stiffness, preload class B  660N/µm
Preload class CGC 7000N
Static axial stiffness, preload class C  871N/µm
Preload class DGD 14000N
Static axial stiffness, preload class D  1170N/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  12.3kg
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Hot number: 11589 23026-2CS5K/VT143 30x40x7 CRW1 V 44x62x8 CRW1 R 511/670 M 6301 7000 CD/P4AH 811/670 M C 2222 K LS 150190 NU 311 ECP PBM 182520 M1G1 SNW 10x1.1/2 SSAFS 22515 x 2.1/2 SY 3/4 FM

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