Tapered roller bearings 30248

Bearing number : 30248

Size (mm) : 240x440x79

Brand : NSK

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 79

Bearing dimensions and specification in NSK catalogue:

d - 240 mm

D - 440 mm

T - 79 mm

B - 72 mm

C - 60 mm

a - 85,1 mm

r min. - 5 mm

r1 min. - 4 mm

da min. - 267 mm

Da min - 384 mm

Da max. - 422 mm

db max. - 288 mm

Db min. - 408 mm

ra max. - 4 mm

rb max. - 3 mm

Weight - 45,2 Kg

Basic dynamic load rating (C) - 990 kN

Basic static load rating (C0) - 1400 kN

(Grease) Lubrication Speed - 750 r/min

(Oil) Lubrication Speed - 1000 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,74

Calculation factor (Y1) - 1,4