Bearing RB4844 (NACHI)

Cylindrical roller bearings RB4844

Bearing number : RB4844

Size (mm) : 220x270x50

Brand : NACHI

Bore Diameter (mm) : 220

Outer Diameter (mm) : 270

Width (mm) : 50

Bearing dimensions and specification in NACHI catalogue:

d - 220 mm

D - 270 mm

B - 50 mm

C - 50 mm

d1 - 239.5 mm

r min. - 1.5 mm

D1 - 251.5 mm

da min. - 230 mm

Da max. - 260 mm

ra max. - 1.5 mm

Weight - 6.40 Kg

Basic dynamic load rating (C) - 335 kN

Basic static load rating (C0) - 905 kN

(Grease) Lubrication Speed - 450 r/min

(Oil) Lubrication Speed - 900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: