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NTN 6404 bearing

Bearing 6404

NTN 6404, Size: 20x72x19. NTN 6404 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

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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