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Bearing 6404 (NTN)
Deep groove ball bearings 6404
Bearing number : 6404
Size (mm) : 20x72x19
Brand : NTN
Bore Diameter (mm) : 20
Outer Diameter (mm) : 72
Width (mm) : 19
Bearing dimensions and specification in NTN catalogue:
d - 20 mm
D - 72 mm
B - 19 mm
C - 19 mm
r min. - 1,1 mm
da min. - 26,5 mm
Da max. - 65,5 mm
ra max. - 1 mm
Weight - 0,4 Kg
Basic dynamic load rating (C) - 28,5 kN
Basic static load rating (C0) - 13,9 kN
(Grease) Lubrication Speed - 12 000 r/min
(Oil) Lubrication Speed - 14 000 r/min
Calculation factor (f0) - 11,4
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