Bearing 30256 (NACHI)

Tapered roller bearings 30256

Bearing number : 30256

Size (mm) : 280x500x89

Brand : NACHI

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 89

Bearing dimensions and specification in NACHI catalogue:

d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - -10 mm

r1 min. - 6 mm

r2 min. - 5 mm

Weight - 66.0 Kg

Basic dynamic load rating (C) - 1270000 kN

Basic static load rating (C0) - 1910000 kN

(Grease) Lubrication Speed - 620 r/min

(Oil) Lubrication Speed - 820 r/min

Calculation factor (e) - 0.46

Calculation factor (Y0) - 0.72

Calculation factor (Y1) - 1.31

Designation

Bore Dia, mm

Outer Dia, mm: