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Bearing 681 (KOYO)
Deep groove ball bearings 681
Bearing number : 681
Size (mm) : 1x3x1
Brand : KOYO
Bore Diameter (mm) : 1
Outer Diameter (mm) : 3
Width (mm) : 1
Bearing dimensions and specification in KOYO catalogue:
d - 1 mm
D - 3 mm
B - 1 mm
C - 1 mm
r min. - 0,07 mm
da min. - 1,6 mm
Da max. - 2,4 mm
ra max. - 0,05 mm
Weight - 3E-05 Kg
Basic dynamic load rating (C) - 0,1 kN
Basic static load rating (C0) - 0,03 kN
(Grease) Lubrication Speed - 130000 r/min
(Oil) Lubrication Speed - 150000 r/min
Calculation factor (f0) - 11,6
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