Bearing NA4976 (NTN)

Needle roller bearings NA4976

Bearing number : NA4976

Size (mm) : 380x520x140

Brand : NTN

Bore Diameter (mm) : 380

Outer Diameter (mm) : 520

Width (mm) : 140

Bearing dimensions and specification in NTN catalogue:

d - 380 mm

F - 430 mm

D - 520 mm

B - 140 mm

C - 140 mm

r min. - 4 mm

s - 2 mm

da min. - 396 mm

Da max. - 504 mm

ra max. - 3 mm

Weight - 73,6 Kg

Basic dynamic load rating (C) - 1400 kN

Basic static load rating (C0) - 3750 kN

(Grease) Lubrication Speed - 650 r/min

(Oil) Lubrication Speed - 950 r/min

Designation

Bore Dia, mm

Outer Dia, mm: