SKF 7008ACE/HCP4AH1 Angular contact ball bearings,SKF 7008 ACE/HCP4AH1 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 ACE/HCP4AH1

7008 ACE/HCP4AH1

Dimensions
d 40mm
D 68mm
B 15mm
d1 49.7mm
d2 47.6mm
D1 58.25mm
K 0.5mm
C1 5.03mm
r1,2min.1mm
r3,4min.0.6mm
a 20.3mm
Abutment dimensions
damin.44.6mm
dbmin.44.6mm
Damax.63.4mm
Dbmax.63.8mm
ramax.1mm
rbmax.0.6mm
dn 51.6mm
Calculation data
Basic dynamic load ratingC 11.7kN
Basic static load ratingC0 7.2kN
Fatigue load limitPu 0.305kN
Attainable speed for grease lubrication  32000r/min
Attainable speed for oil-air lubrication  50000r/min
Ball diameterDw 7.144mm
Number of ballsz 19 
Reference grease quantityGref 2.8cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 105N
Static axial stiffness, preload class A  96N/µm
Preload class BGB 310N
Static axial stiffness, preload class B  143N/µm
Preload class CGC 630N
Static axial stiffness, preload class C  187N/µm
Calculation factors
Calculation factorf 1.06 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.03 
Calculation factorf2C 1.06 
Calculation factorfHC 1.01 
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  0.17kg
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Hot number: 14020 2308 ETN9 402754 6210/HR22Q2 75x110x12 HMS5 V ECY 206 FYR 2-3 K 20x24x10 NN 3022 KTN9/SP NNF 5056 ADA-2LSV NU 2216 ECML RN-4x25.8 BF/G2 SAF 1613 x 2.1/8 TLC SYE 2 3/16 N SYFWK 505 L

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