NSK NA4909 bearing

45x68x22

Needle INA needle bearing NA69101SIZE:50*58*722excellent qualityperfect service3Have stock to supply4prompt delivery time we have strong stable relations with many worldwide ...



Needle roller bearings NA4909

Bearing number : NA4909

Size (mm) : 45x68x22

Brand : NSK

Bore Diameter (mm) : 45

Outer Diameter (mm) : 68

Width (mm) : 22

Bearing dimensions and specification in NSK catalogue:

d - 45 mm

Fw - 52 mm

D - 68 mm

B - 22 mm

C - 22 mm

r min. - 0,6 mm

da min. - 49 mm

Da max. - 64 mm

ra max. - 0,6 mm

Weight - 0,28 Kg

Basic dynamic load rating (C) - 41 kN

Basic static load rating (C0) - 67,5 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 8000 r/min

Bearing NA4909

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