Bearing NU228 (KOYO)

Cylindrical roller bearings NU228

Bearing number : NU228

Size (mm) : 140x250x42

Brand : KOYO

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 42

Bearing dimensions and specification in KOYO catalogue:

d - 140 mm

Fw - 169 mm

D - 250 mm

B - 42 mm

C - 42 mm

r min. - 3 mm

r1 min. - 3 mm

Weight - 8.27 Kg

Basic dynamic load rating (C) - 324 kN

Basic static load rating (C0) - 421 kN

(Grease) Lubrication Speed - 2400 r/min

(Oil) Lubrication Speed - 2900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: