Bearing 7228DF (NTN)

Angular contact ball bearings 7228DF

Bearing number : 7228DF

Size (mm) : 140x250x42

Brand : NTN

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 42

Bearing dimensions and specification in NTN catalogue:

d - 140 mm

D - 250 mm

B - 42 mm

ra1 max. - 1 mm

Angle (α) - 25 °

a - 77,5 mm

r min. - 3 mm

r1 min. - 1,1 mm

2B - 84 mm

Da max. - 236 mm

ra max. - 2,5 mm

Weight - 17,56 Kg

Basic dynamic load rating (C) - 330 kN

Basic static load rating (C0) - 430 kN

(Grease) Lubrication Speed - 2 200 r/min

(Oil) Lubrication Speed - 2 900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: