Bearing NA4860 (NSK)

Needle roller bearings NA4860

Bearing number : NA4860

Size (mm) : 300x380x80

Brand : NSK

Bore Diameter (mm) : 300

Outer Diameter (mm) : 380

Width (mm) : 80

Bearing dimensions and specification in NSK catalogue:

d - 300 mm

Fw - 330 mm

D - 380 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 311 mm

Da max. - 369 mm

ra max. - 2 mm

Weight - 22 Kg

Basic dynamic load rating (C) - 660 kN

Basic static load rating (C0) - 1810 kN

(Grease) Lubrication Speed - 750 r/min

(Oil) Lubrication Speed - 1200 r/min

Limiting speed - 1200 r/min

Designation

Bore Dia, mm

Outer Dia, mm: