Bearing RB4868 (NACHI)

Cylindrical roller bearings RB4868

Bearing number : RB4868

Size (mm) : 340x420x80

Brand : NACHI

Bore Diameter (mm) : 340

Outer Diameter (mm) : 420

Width (mm) : 80

Bearing dimensions and specification in NACHI catalogue:

d - 340 mm

D - 420 mm

B - 80 mm

C - 80 mm

d1 - 368 mm

r min. - 2.1 mm

D1 - 389 mm

da min. - 353 mm

Da max. - 407 mm

ra max. - 2 mm

Weight - 25.6 Kg

Basic dynamic load rating (C) - 850 kN

Basic static load rating (C0) - 2430 kN

(Grease) Lubrication Speed - 300 r/min

(Oil) Lubrication Speed - 600 r/min

Designation

Bore Dia, mm

Outer Dia, mm: