SKF 71902ACE/P4AH Angular contact ball bearings,SKF 71902 ACE/P4AH Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71902 ACE/P4AH

71902 ACE/P4AH

Dimensions
d 15mm
D 28mm
B 7mm
d1 19.1mm
d2 18.1mm
D1 23.9mm
K 0.5mm
C1 4.3mm
r1,2min.0.3mm
r3,4min.0.15mm
a 9.1mm
Abutment dimensions
damin.17mm
dbmin.17mm
Damax.26mm
Dbmax.27.2mm
ramax.0.3mm
rbmax.0.15mm
dn 20mm
Calculation data
Basic dynamic load ratingC 3.02kN
Basic static load ratingC0 1.34kN
Fatigue load limitPu 0.057kN
Attainable speed for grease lubrication  68000r/min
Attainable speed for oil-air lubrication  106000r/min
Ball diameterDw 3.969mm
Number of ballsz 12 
Reference grease quantityGref 0.2cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 28N
Static axial stiffness, preload class A  34N/µm
Preload class BGB 84N
Static axial stiffness, preload class B  51N/µm
Preload class CGC 170N
Static axial stiffness, preload class C  66N/µm
Calculation factors
Calculation factorf 1.04 
Calculation factorf1 0.99 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.07 
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  0.015kg
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Hot number: BD-22232 CCK/W33-H 3132 71911 CE/P4AH1 71917 ACB/P4A 80x115x12 HMSA10 RG AHX 320 BT4B 328510/HA1 H 3128 L HA 210 HA 320 HJ 2228 EC NATV 17 NUP 213 ECML S71922 ACD/HCP4A SAF 23024 KATLC x 4 SNP 3160x10.15/16

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