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Bearing 691 (KOYO)
Deep groove ball bearings 691
Bearing number : 691
Size (mm) : 1x4x1.6
Brand : KOYO
Bore Diameter (mm) : 1
Outer Diameter (mm) : 4
Width (mm) : 1,6
Bearing dimensions and specification in KOYO catalogue:
d - 1 mm
D - 4 mm
B - 1,6 mm
C - 1,6 mm
r min. - 0,1 mm
da min. - 1,8 mm
Da max. - 3,2 mm
ra max. - 0,1 mm
Weight - 0,0001 Kg
Basic dynamic load rating (C) - 0,14 kN
Basic static load rating (C0) - 0,04 kN
(Grease) Lubrication Speed - 120000 r/min
(Oil) Lubrication Speed - 140000 r/min
Calculation factor (f0) - 11,4
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