Bearing NA4838 (NSK)

Needle roller bearings NA4838

Bearing number : NA4838

Size (mm) : 190x240x50

Brand : NSK

Bore Diameter (mm) : 190

Outer Diameter (mm) : 240

Width (mm) : 50

Bearing dimensions and specification in NSK catalogue:

d - 190 mm

Fw - 210 mm

D - 240 mm

B - 50 mm

C - 50 mm

r min. - 1,5 mm

da min. - 198 mm

Da max. - 232 mm

ra max. - 1,5 mm

Weight - 5,6 Kg

Basic dynamic load rating (C) - 268 kN

Basic static load rating (C0) - 705 kN

(Grease) Lubrication Speed - 1200 r/min

(Oil) Lubrication Speed - 1900 r/min

Limiting speed - 1900 r/min

Designation

Bore Dia, mm

Outer Dia, mm: