SKF NK 40/30 40mm I.D Needle Roller Bearing, 50mm O.D

SKF Needle Roller Bearings have low sectional height and very high load carrying capacity for their size.

Needle roller without inner ring
Needle Roller Bearings with flanges in the outer ring and diameters up to and including 17mm are produced with inserted closure rings, are without lubrication and do not have an annular groove
The larger bearings have integral flanges, an annular groove and, depending on size, one or more lubrication holes in the outer ring
Can be used where the shaft is hardened and ground, the bearing runs on the shaft
Displacement is limited to the width of the raceway