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Bearing W689Z (NTN)
Deep groove ball bearings W689Z
Bearing number : W689Z
Size (mm) : 9x17x5
Brand : NTN
Bore Diameter (mm) : 9
Outer Diameter (mm) : 17
Width (mm) : 5
Bearing dimensions and specification in NTN catalogue:
d - 9 mm
D - 17 mm
B - 5 mm
C - 5 mm
r min. - 0,2 mm
da min. - 10,6 mm
da max - 10,7 mm
Da max. - 15,4 mm
ra max. - 0,2 mm
Weight - 3,6 Kg
Basic dynamic load rating (C) - 1,72 kN
Basic static load rating (C0) - 0,82 kN
(Grease) Lubrication Speed - 33 000 r/min
(Oil) Lubrication Speed - 39 000 r/min
Calculation factor (f0) - 14,4
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