NTN 30228U bearing

Bearing 30228U

30228U NTN bearing,

NTN 30228U bearing, Size: 140x250x45.75. NTN 30228U are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 30228U

Bearing number : 30228U

Size (mm) : 140x250x45.75

Brand : NTN

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 45,75

Bearing dimensions and specification in NTN catalogue:

d - 140 mm

D - 250 mm

T - 45,75 mm

B - 42 mm

C - 36 mm

ra1 max. - 2,5 mm

a - 48,5 mm

r min. - 4 mm

r1 min. - 3 mm

da min. - 158 mm

Da min - 219 mm

Da max. - 236 mm

db max. - 163 mm

Db min. - 237 mm

ra max. - 3 mm

Sa - 7 mm

Sb - 9,5 mm

Weight - 9,26 Kg

Basic dynamic load rating (C) - 420 kN

Basic static load rating (C0) - 570 kN

(Grease) Lubrication Speed - 1 400 r/min

(Oil) Lubrication Speed - 1 900 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,76

Calculation factor (Y2) - 1,38