NTN NA4864 bearing

Bearing NA4864

NTN NA4864 bearing, Size: 320x400x80. NTN NA4864 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4864

Bearing number : NA4864

Size (mm) : 320x400x80

Brand : NTN

Bore Diameter (mm) : 320

Outer Diameter (mm) : 400

Width (mm) : 80

Bearing dimensions and specification in NTN catalogue:

d - 320 mm

F - 350 mm

D - 400 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 2 mm

da min. - 331 mm

Da max. - 389 mm

ra max. - 2 mm

Weight - 23,2 Kg

Basic dynamic load rating (C) - 640 kN

Basic static load rating (C0) - 1850 kN

(Grease) Lubrication Speed - 750 r/min

(Oil) Lubrication Speed - 1 100 r/min

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