Bearing R4 (NTN)

Deep groove ball bearings R4

Bearing number : R4

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 - 4,4 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

Designation

Bore Dia, mm

Outer Dia, mm: