Bearing NA4988 (NTN)

Needle roller bearings NA4988

Bearing number : NA4988

Size (mm) : 440x600x160

Brand : NTN

Bore Diameter (mm) : 440

Outer Diameter (mm) : 600

Width (mm) : 160

Bearing dimensions and specification in NTN catalogue:

d - 440 mm

F - 490 mm

D - 600 mm

B - 160 mm

C - 160 mm

r min. - 4 mm

s - 2,5 mm

da min. - 456 mm

Da max. - 584 mm

ra max. - 3 mm

Weight - 123 Kg

Basic dynamic load rating (C) - 1750 kN

Basic static load rating (C0) - 4600 kN

(Grease) Lubrication Speed - 550 r/min

(Oil) Lubrication Speed - 800 r/min

Designation

Bore Dia, mm

Outer Dia, mm: