NTN NA4928 bearing

140x190x50

NTN Bearing Corporation of America was established in 1963 to support NTN bearings in the American market. NTN was now capable of manufacturing ball bearings, spherical, tapered, cylindrical, and needle roller bearings and automotive constant velocity joints.



Needle roller bearings NA4928

Bearing number : NA4928

Size (mm) : 140x190x50

Brand : NTN

Bore Diameter (mm) : 140

Outer Diameter (mm) : 190

Width (mm) : 50

Bearing dimensions and specification in NTN catalogue:

d - 140 mm

F - 160 mm

D - 190 mm

B - 50 mm

C - 50 mm

r min. - 1,5 mm

s - 1,5 mm

da min. - 148 mm

Da max. - 182 mm

ra max. - 1,5 mm

Weight - 4,05 Kg

Basic dynamic load rating (C) - 209 kN

Basic static load rating (C0) - 485 kN

(Grease) Lubrication Speed - 1 700 r/min

(Oil) Lubrication Speed - 2 500 r/min

Bearing NA4928

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