Bearing NJ 248 (NSK)

Cylindrical roller bearings NJ 248

Bearing number : NJ 248

Size (mm) : 240x440x72

Brand : NSK

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 72

Bearing dimensions and specification in NSK catalogue:

d - 240 mm

Fw - 295 mm

D - 440 mm

B - 72 mm

C - 72 mm

r min. - 4 mm

r1 min. - 4 mm

da min. - 256 mm

db max. - 289 mm

db min - 256 mm

ra max. - 3 mm

rb max. - 3 mm

Db max - 424 mm

Weight - 50,4 Kg

Basic dynamic load rating (C) - 935 kN

Basic static load rating (C0) - 1340 kN

(Grease) Lubrication Speed - 1 300 r/min

(Oil) Lubrication Speed - 1 600 r/min

Designation

Bore Dia, mm

Outer Dia, mm: