Bearing RB4944 (NACHI)

Cylindrical roller bearings RB4944

Bearing number : RB4944

Size (mm) : 220x300x80

Brand : NACHI

Bore Diameter (mm) : 220

Outer Diameter (mm) : 300

Width (mm) : 80

Bearing dimensions and specification in NACHI catalogue:

d - 220 mm

D - 300 mm

B - 80 mm

C - 80 mm

d1 - 249 mm

r min. - 2.1 mm

D1 - 268 mm

da min. - 231 mm

Da max. - 289 mm

ra max. - 2 mm

Weight - 17.1 Kg

Basic dynamic load rating (C) - 695 kN

Basic static load rating (C0) - 1620 kN

(Grease) Lubrication Speed - 450 r/min

(Oil) Lubrication Speed - 900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: