Bearing 7228C (KOYO)

Angular contact ball bearings 7228C

Bearing number : 7228C

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

D - 250 mm

B - 42 mm

C - 42 mm

Angle (α) - 15 °

a - 47.1 mm

r min. - 3 mm

r1 min. - 1.1 mm

da min. - 154 mm

Da max. - 236 mm

ra max. - 2.5 mm

Weight - 7.76 Kg

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 5300 r/min

Calculation factor (f0) - 14.8

Designation

Bore Dia, mm

Outer Dia, mm: