SKF 708ACD/P4A Angular contact ball bearings,SKF 708 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 708 ACD/P4A

708 ACD/P4A

Dimensions
d 8mm
D 22mm
B 7mm
d1 12.6mm
d2 12.6mm
D1 17.4mm
r1,2min.0.3mm
r3,4min.0.2mm
a 7mm
Abutment dimensions
damin.10mm
dbmin.10mm
Damax.20mm
Dbmax.20.6mm
ramax.0.3mm
rbmax.0.2mm
dn 13.6mm
Calculation data
Basic dynamic load ratingC 3.19kN
Basic static load ratingC0 1.34kN
Fatigue load limitPu 0.056kN
Attainable speed for grease lubrication  80000r/min
Attainable speed for oil-air lubrication  120000r/min
Ball diameterDw 3.969mm
Number of ballsz 9 
Reference grease quantityGref 0.15cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 20N
Static axial stiffness, preload class A  29N/µm
Preload class BGB 40N
Static axial stiffness, preload class B  37N/µm
Preload class CGC 80N
Static axial stiffness, preload class C  48N/µm
Preload class DGD 160N
Static axial stiffness, preload class D  64N/µm
Calculation factors
Calculation factorf 1.02 
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  0.012kg
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Hot number: 22312 EK/VA405 BD-22338 CCK/W33-AH 2338 G 3304 A-2Z 3984/3920 45033 71916 ACD/P4AL FY 2.7/16 TF/VA201 GE 70 ES-2LS MB 2 A N 060 NU 2348 ECMA SAA 50 TXE-2LS SNP 3280x15 W 627 W 6301-2RZ

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