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Bearing 672 (NTN)
Deep groove ball bearings 672
Bearing number : 672
Size (mm) : 2x4x1.2
Brand : NTN
Bore Diameter (mm) : 2
Outer Diameter (mm) : 4
Width (mm) : 1,2
Bearing dimensions and specification in NTN catalogue:
d - 2 mm
D - 4 mm
B - 1,2 mm
C - 1,2 mm
r min. - 0,05 mm
da min. - 2,5 mm
da max - 2,6 mm
Da max. - 3,5 mm
ra max. - 0,05 mm
Weight - 0,06 Kg
Basic dynamic load rating (C) - 0,104 kN
Basic static load rating (C0) - 0,037 kN
(Grease) Lubrication Speed - 83 000 r/min
(Oil) Lubrication Speed - 98 000 r/min
Calculation factor (f0) - 14,8
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