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Bearing R 4B (NSK)
Deep groove ball bearings R 4B
Bearing number : R 4B
Size (mm) : 6.35x15.875x4.978
Brand : NSK
Bore Diameter (mm) : 6,35
Outer Diameter (mm) : 15,875
Width (mm) : 4,978
Bearing dimensions and specification in NSK catalogue:
d - 6,35 mm
D - 15,875 mm
B - 4,978 mm
C - 4,978 mm
r min. - 0,3 mm
da min. - 8,4 mm
Da max. - 13,8 mm
ra max. - 0,3 mm
Weight - 0,0045 Kg
Basic dynamic load rating (C) - 1,61 kN
Basic static load rating (C0) - 0,66 kN
(Grease) Lubrication Speed - 38 000 r/min
(Oil) Lubrication Speed - 45 000 r/min
Tags : NSK , 6.35x15.875x4.978
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