Tapered roller bearings 30228

Bearing number : 30228

Size (mm) : 140x250x45.75

Brand : NACHI

Bore Diameter (mm) : 140

Outer Diameter (mm) : 250

Width (mm) : 45.75

Bearing dimensions and specification in NACHI catalogue:

d - 140 mm

D - 250 mm

T - 45.75 mm

B - 42 mm

C - 36 mm

a - -1.25 mm

r1 min. - 4 mm

r2 min. - 3 mm

Weight - 5.20 Kg

Basic dynamic load rating (C) - 370000 kN

Basic static load rating (C0) - 490000 kN

(Grease) Lubrication Speed - 1400 r/min

(Oil) Lubrication Speed - 1900 r/min

Calculation factor (e) - 0.44

Calculation factor (Y0) - 0.75

Calculation factor (Y1) - 1.36