Deep groove ball bearings W693Z

Bearing number : W693Z

Size (mm) : 3x8x4

Brand : NTN

Bore Diameter (mm) : 3

Outer Diameter (mm) : 8

Width (mm) : 4

Bearing dimensions and specification in NTN catalogue:

d - 3 mm

D - 8 mm

B - 4 mm

C - 4 mm

r min. - 0,15 mm

da min. - 4,2 mm

da max - 4,4 mm

Da max. - 6,8 mm

ra max. - 0,15 mm

Weight - 0,72 Kg

Basic dynamic load rating (C) - 0,56 kN

Basic static load rating (C0) - 0,18 kN

(Grease) Lubrication Speed - 54 000 r/min

(Oil) Lubrication Speed - 63 000 r/min

Calculation factor (f0) - 11,9