Bearing NA4980 (NTN)

Needle roller bearings NA4980

Bearing number : NA4980

Size (mm) : 400x540x140

Brand : NTN

Bore Diameter (mm) : 400

Outer Diameter (mm) : 540

Width (mm) : 140

Bearing dimensions and specification in NTN catalogue:

d - 400 mm

F - 450 mm

D - 540 mm

B - 140 mm

C - 140 mm

r min. - 4 mm

s - 2,5 mm

da min. - 416 mm

Da max. - 524 mm

ra max. - 3 mm

Weight - 76,6 Kg

Basic dynamic load rating (C) - 1450 kN

Basic static load rating (C0) - 4000 kN

(Grease) Lubrication Speed - 600 r/min

(Oil) Lubrication Speed - 900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: