Bearing BK4520 (KOYO)

Needle roller bearings BK4520

Bearing number : BK4520

Size (mm) : 45x52x20

Brand : KOYO

Bore Diameter (mm) : 45

Outer Diameter (mm) : 52

Width (mm) : 20

Bearing dimensions and specification in KOYO catalogue:

Fw - 45 mm

D - 52 mm

C - 20 mm

r5 min. - 1 mm

C2 - 17.3 mm

Weight - 0.079 Kg

Basic dynamic load rating (C) - 26.3 kN

Basic static load rating (C0) - 55.4 kN

(Grease) Lubrication Speed - 4600 r/min

(Oil) Lubrication Speed - 7000 r/min

Designation

Bore Dia, mm

Outer Dia, mm: