Bearing RB4838 (NACHI)

Cylindrical roller bearings RB4838

Bearing number : RB4838

Size (mm) : 190x240x50

Brand : NACHI

Bore Diameter (mm) : 190

Outer Diameter (mm) : 240

Width (mm) : 50

Bearing dimensions and specification in NACHI catalogue:

d - 190 mm

D - 240 mm

B - 50 mm

C - 50 mm

d1 - 208 mm

r min. - 1.5 mm

D1 - 220 mm

da min. - 200 mm

Da max. - 230 mm

ra max. - 1.5 mm

Weight - 5.65 Kg

Basic dynamic load rating (C) - 315 kN

Basic static load rating (C0) - 785 kN

(Grease) Lubrication Speed - 550 r/min

(Oil) Lubrication Speed - 1100 r/min

Designation

Bore Dia, mm

Outer Dia, mm: