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Bearing MR74 (NSK)
Deep groove ball bearings MR74
Bearing number : MR74
Size (mm) : 4x7x2
Brand : NSK
Bore Diameter (mm) : 4
Outer Diameter (mm) : 7
Width (mm) : 2
Bearing dimensions and specification in NSK catalogue:
d - 4 mm
D - 7 mm
B - 2 mm
C - 2 mm
r min. - 0,1 mm
da min. - 4,8 mm
Da max. - 6,2 mm
ra max. - 0,1 mm
Weight - 0,00022 Kg
Basic dynamic load rating (C) - 0,31 kN
Basic static load rating (C0) - 0,115 kN
(Grease) Lubrication Speed - 60 000 r/min
(Oil) Lubrication Speed - 67 000 r/min
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