Bearing 30248 (NACHI)

Tapered roller bearings 30248

Bearing number : 30248

Size (mm) : 240x440x79

Brand : NACHI

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 79

Bearing dimensions and specification in NACHI catalogue:

d - 240 mm

D - 440 mm

T - 79 mm

B - 72 mm

C - 60 mm

a - -6 mm

r1 min. - 5 mm

r2 min. - 4 mm

Weight - 46.4 Kg

Basic dynamic load rating (C) - 965000 kN

Basic static load rating (C0) - 1400000 kN

(Grease) Lubrication Speed - 750 r/min

(Oil) Lubrication Speed - 1000 r/min

Calculation factor (e) - 0.46

Calculation factor (Y0) - 0.72

Calculation factor (Y1) - 1.31

Designation

Bore Dia, mm

Outer Dia, mm: