SKF 7008ACB/P4A Angular contact ball bearings,SKF 7008 ACB/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 7008 ACB/P4A

7008 ACB/P4A

Dimensions
d 40mm
D 68mm
B 15mm
d1 50.95mm
d2 49.87mm
D2 58.88mm
r1,2min.1mm
r3,4min.0.6mm
a 20.2mm
Abutment dimensions
damin.44.6mm
dbmin.44.6mm
Damax.63.4mm
Dbmax.64.8mm
ramax.1mm
rbmax.0.6mm
dn 51.6mm
Calculation data
Basic dynamic load ratingC 9.36kN
Basic static load ratingC0 8.65kN
Fatigue load limitPu 0.224kN
Attainable speed for grease lubrication  26000r/min
Attainable speed for oil-air lubrication  40000r/min
Ball diameterDw 4.762mm
Number of ballsz 26 
Reference grease quantityGref 2.22cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 41N
Static axial stiffness, preload class A  71N/µm
Preload class BGB 82N
Static axial stiffness, preload class B  92N/µm
Preload class CGC 245N
Static axial stiffness, preload class C  138N/µm
Calculation factors
Calculation factorf 1.04 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.01 
Calculation factorf2C 1.04 
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  0.21kg
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Hot number: 27x37x7 HMS5 V 330903 A 38.1x54.4x12.8 TP 50168 618/670 TN 87899 75x110x12 HMSA10 RG C 2314 FYJ 65 TF MB 2 A MVR2-20 N 28/900 MB NUTR 35 A SNW 7x1.1/4 SSAFS 22215 T

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