NSK NA4840 bearing in india

Needle roller bearings NA4840

Bearing number : NA4840

Size (mm) : 200x250x50

Brand : NSK

Bore Diameter (mm) : 200

Outer Diameter (mm) : 250

Width (mm) : 50

Bearing dimensions and specification in NSK catalogue:

d - 200 mm

Fw - 220 mm

D - 250 mm

B - 50 mm

C - 50 mm

r min. - 1,5 mm

da min. - 208 mm

Da max. - 242 mm

ra max. - 1,5 mm

Weight - 5,9 Kg

Basic dynamic load rating (C) - 274 kN

Basic static load rating (C0) - 740 kN

(Grease) Lubrication Speed - 1100 r/min

(Oil) Lubrication Speed - 1800 r/min

Limiting speed - 1800 r/min