NACHI 7228 bearing

Bearing 7228

7228 NACHI bearing,

NACHI 7228 bearing, Size: 140x250x42. NACHI 7228 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings 7228

Bearing number : 7228

Size (mm) : 140x250x42

Brand : NACHI

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 42

Bearing dimensions and specification in NACHI catalogue:

d - 140 mm

D - 250 mm

B - 42 mm

C - 42 mm

Angle (α) - 30 °

a - 35.3 mm

r min. - 3 mm

r1 min. - 1.1 mm

da min. - 154 mm

Da max. - 236 mm

ra max. - 2.5 mm

Weight - 8.78 Kg

Basic dynamic load rating (C) - 211 kN

Basic static load rating (C0) - 228 kN

(Grease) Lubrication Speed - 2200 r/min

(Oil) Lubrication Speed - 3000 r/min