Bearing RB4860 (NACHI)

Cylindrical roller bearings RB4860

Bearing number : RB4860

Size (mm) : 300x380x80

Brand : NACHI

Bore Diameter (mm) : 300

Outer Diameter (mm) : 380

Width (mm) : 80

Bearing dimensions and specification in NACHI catalogue:

d - 300 mm

D - 380 mm

B - 80 mm

C - 80 mm

d1 - 329 mm

r min. - 2.1 mm

D1 - 348 mm

da min. - 313 mm

Da max. - 367 mm

ra max. - 2 mm

Weight - 23.0 Kg

Basic dynamic load rating (C) - 800 kN

Basic static load rating (C0) - 2160 kN

(Grease) Lubrication Speed - 350 r/min

(Oil) Lubrication Speed - 700 r/min

Designation

Bore Dia, mm

Outer Dia, mm: