NSK NA49/28 bearing

28x45x17

NSK Ball Screws - developed through cutting-edge tribology (friction control technology): from miniature to ultra-large sizes, for machine tools, injection molding machines, and general machinery as well as for use in special environments.



Needle roller bearings NA49/28

Bearing number : NA49/28

Size (mm) : 28x45x17

Brand : NSK

Bore Diameter (mm) : 28

Outer Diameter (mm) : 45

Width (mm) : 17

Bearing dimensions and specification in NSK catalogue:

d - 28 mm

Fw - 32 mm

D - 45 mm

B - 17 mm

C - 17 mm

r min. - 0,3 mm

da min. - 30 mm

Da max. - 43 mm

ra max. - 0,3 mm

Weight - 0,099 Kg

Basic dynamic load rating (C) - 22,2 kN

Basic static load rating (C0) - 28,7 kN

(Grease) Lubrication Speed - 8500 r/min

(Oil) Lubrication Speed - 13000 r/min

Bearing NA49/28

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