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Bearing R4Z (NTN)
Deep groove ball bearings R4Z
Bearing number : R4Z
Size (mm) : 6.35x15.875x4.978
Brand : NTN
Bore Diameter (mm) : 6,35
Outer Diameter (mm) : 15,875
Width (mm) : 4,978
Bearing dimensions and specification in NTN 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 mm
da max - 8,6 mm
Da max. - 14,2 mm
ra max. - 0,3 mm
Weight - 4,8 Kg
Basic dynamic load rating (C) - 1,48 kN
Basic static load rating (C0) - 0,615 kN
(Grease) Lubrication Speed - 36000 r/min
(Oil) Lubrication Speed - 43000 r/min
Calculation factor (f0) - 13,6
Tags : NTN , 6.35x15.875x4.978
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