NTN Bearing

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NTN Bearing
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Bearing W684AX50Z

Deep groove ball bearings W684AX50Z

Bearing number : W684AX50Z

Size (mm) : 4x9x4

Brand : NTN

Bore Diameter (mm) : 4

Outer Diameter (mm) : 9

Width (mm) : 4

Bearing dimensions and specification in NTN catalogue:


d - 4 mm

D - 9 mm

B - 4 mm

C - 4 mm

r min. - 0,15 mm

da min. - 5 mm

da max - 5,2 mm

Da max. - 7,8 mm

ra max. - 0,1 mm

Weight - 0,76 Kg

Basic dynamic load rating (C) - 0,64 kN

Basic static load rating (C0) - 0,224 kN

(Grease) Lubrication Speed - 49 000 r/min

(Oil) Lubrication Speed - 57 000 r/min

Calculation factor (f0) - 12,7


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