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Bearing 687A (NTN)
Deep groove ball bearings 687A
Bearing number : 687A
Size (mm) : 7x14x3.5
Brand : NTN
Bore Diameter (mm) : 7
Outer Diameter (mm) : 14
Width (mm) : 3,5
Bearing dimensions and specification in NTN catalogue:
d - 7 mm
D - 14 mm
B - 3,5 mm
C - 3,5 mm
r min. - 0,15 mm
da min. - 8,2 mm
da max - 8,7 mm
Da max. - 12,8 mm
ra max. - 0,15 mm
Weight - 2,1 Kg
Basic dynamic load rating (C) - 1,17 kN
Basic static load rating (C0) - 0,505 kN
(Grease) Lubrication Speed - 37 000 r/min
(Oil) Lubrication Speed - 44 000 r/min
Calculation factor (f0) - 14
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