KOYO 4304 bearing

Bearing 4304

4304 KOYO bearing,

KOYO 4304 bearing, Size: 20x52x21. KOYO 4304 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Deep groove ball bearing 4304

Bearing number : 4304

Size (mm) : 20x52x21

Brand : KOYO

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 21

Bearing dimensions and specification in KOYO catalogue:

d - 20 mm

D - 52 mm

B - 21 mm

C - 21 mm

r min. - 1.1 mm

da min. - 26.5 mm

Da max. - 45.5 mm

ra max. - 1 mm

Weight - 0.227 Kg

Basic dynamic load rating (C) - 19.5 kN

Basic static load rating (C0) - 17.0 kN

(Grease) Lubrication Speed - 8300 r/min

(Oil) Lubrication Speed - 11000 r/min

Calculation factor (f0) - 13.5

Tags :  KOYO , 20x52x21