Bearing NA4948 (NTN)

Needle roller bearings NA4948

Bearing number : NA4948

Size (mm) : 240x320x80

Brand : NTN

Bore Diameter (mm) : 240

Outer Diameter (mm) : 320

Width (mm) : 80

Bearing dimensions and specification in NTN catalogue:

d - 240 mm

F - 265 mm

D - 320 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 2 mm

da min. - 251 mm

Da max. - 309 mm

ra max. - 2 mm

Weight - 14,7 Kg

Basic dynamic load rating (C) - 540 kN

Basic static load rating (C0) - 1350 kN

(Grease) Lubrication Speed - 1 000 r/min

(Oil) Lubrication Speed - 1 500 r/min

Designation

Bore Dia, mm

Outer Dia, mm: