NTN Bearing

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NTN Bearing
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Bearing W678AZ

Deep groove ball bearings W678AZ

Bearing number : W678AZ

Size (mm) : 8x12x3.5

Brand : NTN

Bore Diameter (mm) : 8

Outer Diameter (mm) : 12

Width (mm) : 3,5

Bearing dimensions and specification in NTN catalogue:


d - 8 mm

D - 12 mm

B - 3,5 mm

C - 3,5 mm

r min. - 0,1 mm

da min. - 8,8 mm

da max - 9,1 mm

Da max. - 11,2 mm

ra max. - 0,1 mm

Weight - 0,86 Kg

Basic dynamic load rating (C) - 0,515 kN

Basic static load rating (C0) - 0,252 kN

(Grease) Lubrication Speed - 38 000 r/min

(Oil) Lubrication Speed - 45 000 r/min

Calculation factor (f0) - 15,9


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