Bearing RB4864 (NACHI)

Cylindrical roller bearings RB4864

Bearing number : RB4864

Size (mm) : 320x400x80

Brand : NACHI

Bore Diameter (mm) : 320

Outer Diameter (mm) : 400

Width (mm) : 80

Bearing dimensions and specification in NACHI catalogue:

d - 320 mm

D - 400 mm

B - 80 mm

C - 80 mm

d1 - 352 mm

r min. - 2.1 mm

D1 - 371 mm

da min. - 333 mm

Da max. - 387 mm

ra max. - 2 mm

Weight - 24.3 Kg

Basic dynamic load rating (C) - 830 kN

Basic static load rating (C0) - 2310 kN

(Grease) Lubrication Speed - 300 r/min

(Oil) Lubrication Speed - 600 r/min

Designation

Bore Dia, mm

Outer Dia, mm: