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Rod End Bearing

Rod End Bearing

A rod end bearing consists of a spherical plain bearing and an eye-shaped body with an integral shank. The spherical plain bearing, typically made of stainless steel or other high-perfor- mance materials, is a self-aligning bearing that allows angular  misalignment between the shank and the bore.


Rod end bearings are used in applications that accommodate low to moderate shaft misalignment. They are also used in robotic arms, packaging machines, conveyor systems, trucks, power generation, automotive suspension systems.

There are three types of rod end bearings:  


PHS: type provided with a female threading

With model PHS, a copper alloy with high conformability is inserted between the chromate treated steel  holder and the spherical inner ring,in which only the circumference of the spherical area is hard chrome plated. This structure ensures high rigidity, high wear resistance and high corrosion resistance.The grease nipple on the holder allows grease to be applied to the sliding surface as necessary.


POS: male thread type :

This model is a highly rigid rod end that is basically the same as the female threading type model PHS, but has a male thread on the holder end.


PB: standard type

With model PB, a copper alloy with high conformability is inserted between the steel outer ring and the spherical inner ring,in which only the spherical area is hard chrome plated. This structure makes this model a highly rigid Spherical Plain Bearing with high corrosion resistance and high wear resistance. The oil groove and the greasing hole on the outer ring allow grease to be applied to the sliding surface as necessary.


TypeLubrication typeMaintenance-free type
Spherical BushingsRod EndRod End
Female threadMale threadFemale threadMale thread
Insert typePBPHS(..A)POS(..A)PHS..ECPOS..EC
Die-cast type___