NTN 7228B bearing

Bearing 7228B

NTN 7228B bearing, Size: 140x250x42. NTN 7228B 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 7228B

Bearing number : 7228B

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

C - 42 mm

Angle (α) - 40 °

a - 103 mm

r min. - 3 mm

r1 min. - 1,1 mm

da min. - 154 mm

ra max. - 2,5 mm

Weight - 8,78 Kg

Basic dynamic load rating (C) - 183 kN

Basic static load rating (C0) - 195 kN

(Grease) Lubrication Speed - 2 300 r/min

(Oil) Lubrication Speed - 3 100 r/min

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