Bearing NA4864 (NSK)

Needle roller bearings NA4864

Bearing number : NA4864

Size (mm) : 320x400x80

Brand : NSK

Bore Diameter (mm) : 320

Outer Diameter (mm) : 400

Width (mm) : 80

Bearing dimensions and specification in NSK catalogue:

d - 320 mm

Fw - 350 mm

D - 400 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 331 mm

Da max. - 389 mm

ra max. - 2 mm

Weight - 23,5 Kg

Basic dynamic load rating (C) - 675 kN

Basic static load rating (C0) - 1900 kN

(Grease) Lubrication Speed - 710 r/min

(Oil) Lubrication Speed - 1100 r/min

Limiting speed - 1100 r/min

Designation

Bore Dia, mm

Outer Dia, mm: