Bearing 45256 (KOYO)

Tapered roller bearings 45256

Bearing number : 45256

Size (mm) : 280x420x106

Brand : KOYO

Bore Diameter (mm) : 280

Outer Diameter (mm) : 420

Width (mm) : 106

Bearing dimensions and specification in KOYO catalogue:

d - 280 mm

D - 420 mm

T - 106 mm

B - 106 mm

r min. - 4 mm

r1 min. - 5 mm

da max - 321 mm

Db min. - 370 mm

ra max. - 3 mm

rb max. - 4 mm

Db max - 402 mm

Weight - 51,9 Kg

Basic dynamic load rating (C) - 1190 kN

Basic static load rating (C0) - 2470 kN

(Grease) Lubrication Speed - 560 r/min

(Oil) Lubrication Speed - 750 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 2,63

Calculation factor (Y2) - 2,69

Designation

Bore Dia, mm

Outer Dia, mm: