Bearing 30256 (KOYO)

Tapered roller bearings 30256

Bearing number : 30256

Size (mm) : 280x500x89

Brand : KOYO

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 89

Bearing dimensions and specification in KOYO catalogue:

d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - 96,2 mm

r min. - 6 mm

r2 min. - 5 mm

da min. - 308 mm

da max - 325 mm

Da min - 440 mm

Da max. - 478 mm

Db min. - 475 mm

ra max. - 5 mm

rb max. - 4 mm

Weight - 67,6 Kg

Basic dynamic load rating (C) - 1260 kN

Basic static load rating (C0) - 1920 kN

(Grease) Lubrication Speed - 610 r/min

(Oil) Lubrication Speed - 810 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,44

Designation

Bore Dia, mm

Outer Dia, mm: