SKF 7008CB/HCP4A Angular contact ball bearings,SKF 7008 CB/HCP4A 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 CB/HCP4A

7008 CB/HCP4A

Dimensions
d 40mm
D 68mm
B 15mm
d1 50.95mm
d2 49.87mm
D2 58.88mm
r1,2min.1mm
r3,4min.0.6mm
a 14.8mm
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 9.95kN
Basic static load ratingC0 9.3kN
Fatigue load limitPu 0.236kN
Attainable speed for grease lubrication  34000r/min
Attainable speed for oil-air lubrication  53000r/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 24N
Static axial stiffness, preload class A  30N/µm
Preload class BGB 48N
Static axial stiffness, preload class B  40N/µm
Preload class CGC 145N
Static axial stiffness, preload class C  63N/µm
Calculation factors
Calculation factorf 1.04 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.05 
Calculation factorfHC 1.01 
Calculation factorf0 9.8 
Mass
Mass bearing  0.2kg
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Hot number: 12333 21311 E 361840 400305 40x72x10 HMS5 V 6213-2RS1/HC5C3WT 623/HR11TN 6309/HR22Q2 7218 BECCM 91309 85 VA V HK 1416.2RS NJ 207 ECM NUP 2315 ECP RNA 4904

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