Bearing NA4868 (NSK)

Needle roller bearings NA4868

Bearing number : NA4868

Size (mm) : 340x420x80

Brand : NSK

Bore Diameter (mm) : 340

Outer Diameter (mm) : 420

Width (mm) : 80

Bearing dimensions and specification in NSK catalogue:

d - 340 mm

Fw - 370 mm

D - 420 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 351 mm

Da max. - 409 mm

ra max. - 2 mm

Weight - 24,5 Kg

Basic dynamic load rating (C) - 690 kN

Basic static load rating (C0) - 1990 kN

(Grease) Lubrication Speed - 670 r/min

(Oil) Lubrication Speed - 1100 r/min

Limiting speed - 1100 r/min

Designation

Bore Dia, mm

Outer Dia, mm: