SKF 71940CD/P4AH1 Angular contact ball bearings,SKF 71940 CD/P4AH1 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71940 CD/P4AH1

71940 CD/P4AH1

Dimensions
d 200mm
D 280mm
B 38mm
d1 224.7mm
d2 224.7mm
D1 255.3mm
K 0.6mm
C1 10mm
r1,2min.2.1mm
r3,4min.1mm
a 51.3mm
Abutment dimensions
damin.209mm
dbmin.209mm
Damax.271mm
Dbmax.275mm
ramax.2mm
rbmax.1mm
dn 231.4mm
Calculation data
Basic dynamic load ratingC 208kN
Basic static load ratingC0 265kN
Fatigue load limitPu 7.2kN
Attainable speed for grease lubrication  4800r/min
Attainable speed for oil-air lubrication  7000r/min
Ball diameterDw 25.4mm
Number of ballsz 26 
Reference grease quantityGref 81cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 800N
Static axial stiffness, preload class A  202N/µm
Preload class BGB 1600N
Static axial stiffness, preload class B  275N/µm
Preload class CGC 3200N
Static axial stiffness, preload class C  387N/µm
Preload class DGD 6400N
Static axial stiffness, preload class D  565N/µm
Calculation factors
Calculation factorf 1.23 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.04 
Calculation factorf2C 1.09 
Calculation factorf2D 1.15 
Calculation factorfHC 1 
Calculation factorf0 16.3 
Mass
Mass bearing  6.1kg
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Hot number: 30328 3306 A 4914 539/532 X 6017 NR 61801-2RS1 7019 ACE/HCP4AH1 730 VRME R 75030 HJ 319 EC SAF 22544 x 8 T RNAO 50x65x20 Z 209 F SYJ 35 TF W 19

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