SKF 71912CB/P4AL Angular contact ball bearings,SKF 71912 CB/P4AL Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71912 CB/P4AL

71912 CB/P4AL

Dimensions
d 60mm
D 85mm
B 13mm
d1 68.94mm
d2 67.73mm
D2 78.36mm
b 2mm
C1 6.5mm
C2 3.8mm
C3 1.7mm
r1,2min.1mm
r3,4min.0.3mm
a 19.5mm
Abutment dimensions
damin.64.6mm
dbmin.64.6mm
Damax.80.4mm
Dbmax.83mm
ramax.1mm
rbmax.0.3mm
dn 69.8mm
Calculation data
Basic dynamic load ratingC 14kN
Basic static load ratingC0 14.6kN
Fatigue load limitPu 0.375kN
Attainable speed for grease lubrication  22000r/min
Attainable speed for oil-air lubrication  32000r/min
Ball diameterDw 5.556mm
Number of ballsz 30 
Reference grease quantityGref 2.77cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class AGA 34N
Static axial stiffness, preload class A  36N/µm
Preload class BGB 68N
Static axial stiffness, preload class B  48N/µm
Preload class CGC 205N
Static axial stiffness, preload class C  77N/µm
Calculation factors
Calculation factorf 1.11 
Calculation factorf1 1 
Calculation factorf2A 1 
Calculation factorf2B 1.02 
Calculation factorf2C 1.07 
Calculation factorfHC 1 
Calculation factorf0 9.8 
Mass
Mass bearing  0.2kg
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Hot number: 1500553 17x28x7 HMSA10 V 22330-2CS5/VT143 BD-239/900 CAK/W33-OH 39/900 H 33701 7207 BEGAM AN 32 AOH 3056 BT4B 334051 G/HA1VA901 HN 1212 N 026 SAFS 23034 KA x 5.13/16 SAW 23530 x 5.3/8 STO 40 WS 89430

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