NK series

Machined ring single-row needle roller bearing without inner ring, with rib

The single-row needle roller bearing without inner ring consists of an outer ring assembly with needle roller and cage. In applications where the shaft surface has hardened and ground raceways, this bearing is an excellent choice for compact bearing configurations. Both sides of the outer ring are equipped with integral retaining edges for axial guide bearing. The lubrication groove with one or more lubrication holes is convenient for supplementary lubrication.

Product features:

High radial bearing capacity

High rigidity

Small cross section

Can bear two-way axial displacement