SKF 71901ACD/P4A Angular contact ball bearings,SKF 71901 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 71901 ACD/P4A

71901 ACD/P4A

Dimensions
d 12mm
D 24mm
B 6mm
d1 16mm
d2 16mm
D1 20mm
r1,2min.0.3mm
r3,4min.0.2mm
a 7.3mm
Abutment dimensions
damin.14mm
dbmin.14mm
Damax.22mm
Dbmax.22.6mm
ramax.0.3mm
rbmax.0.2mm
dn 16.8mm
Calculation data
Basic dynamic load ratingC 2.55kN
Basic static load ratingC0 1.18kN
Fatigue load limitPu 0.05kN
Attainable speed for grease lubrication  56000r/min
Attainable speed for oil-air lubrication  85000r/min
Ball diameterDw 3.175mm
Number of ballsz 13 
Reference grease quantityGref 0.12cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 15N
Static axial stiffness, preload class A  31N/µm
Preload class BGB 30N
Static axial stiffness, preload class B  39N/µm
Preload class CGC 60N
Static axial stiffness, preload class C  52N/µm
Preload class DGD 120N
Static axial stiffness, preload class D  69N/µm
Calculation factors
Calculation factorf 1.04 
Calculation factorf1 0.98 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.08 
Calculation factorf2D 1.14 
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  0.01kg
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Hot number: 11344 1300 VE R 41185 52222 525633 7004 CE/P4AL 7224 CD/P4A 81256 M LR 25x30x38.5 LS 2035 N 226 ECP NATR 17 PPXA SD 8x15x3 SNL 532 TURU XHCE 055/OK 140

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