Deep groove ball bearings WBC4-8Z

Bearing number : WBC4-8Z

Size (mm) : 4x8x3

Brand : NTN

Bore Diameter (mm) : 4

Outer Diameter (mm) : 8

Width (mm) : 3

Bearing dimensions and specification in NTN catalogue:

d - 4 mm

D - 8 mm

B - 3 mm

C - 3 mm

r min. - 0,08 mm

da min. - 4,8 mm

da max - 5 mm

Da max. - 6,8 mm

ra max. - 0,08 mm

Weight - 0,46 Kg

Basic dynamic load rating (C) - 0,395 kN

Basic static load rating (C0) - 0,14 kN

(Grease) Lubrication Speed - 52 000 r/min

(Oil) Lubrication Speed - 61 000 r/min

Calculation factor (f0) - 13,9