Bearing 30248R (KOYO)

Tapered roller bearings 30248R

Bearing number : 30248R

Size (mm) : 240x440x79

Brand : KOYO

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 79

Bearing dimensions and specification in KOYO catalogue:

d - 240 mm

D - 440 mm

T - 79 mm

B - 72 mm

C - 60 mm

a - 82,7 mm

r min. - 5 mm

r2 min. - 4 mm

da min. - 262 mm

da max - 287 mm

Da min - 377 mm

Da max. - 422 mm

Db min. - 409 mm

ra max. - 4 mm

rb max. - 3 mm

Weight - 49,5 Kg

Basic dynamic load rating (C) - 1230 kN

Basic static load rating (C0) - 1790 kN

(Grease) Lubrication Speed - 730 r/min

(Oil) Lubrication Speed - 980 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,43

Designation

Bore Dia, mm

Outer Dia, mm: