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Rod End - Male and Female, Steel on Steel, Steel on Bronze & Steel on PTFE Series

3D CAD Model of a Male Rod End from AST BearingsRod ends consist of an eye-shaped head with integral shank forming a housing and a standard spherical plain bearing, or a spherical plain bearing inner ring, or a spherical plain bearing inner ring and a sliding layer between the bore of the head and the inner ring. As a rule, rod ends are available with left or right-hand female or male threads. Rod ends from AST have the sliding contact surface combinations steel-on-steel, steel-on-bronze, steel-on-PTFE composite material, and steel-on-PTFE fabric.

Rod Ends Requiring Lubrication

Steel-on-steel and steel-on-bronze rod ends have very wear-resistant sliding surfaces and perform well under conditions of lubricant starvation. Rod ends with this sliding contact surface combination require regular relubrication. They are particularly suited for bearing arrangements where heavy alternating loads have to be accommodated.

Maintenance-Free Rod Ends (Rod Ends Requiring No Lubrication)

Rod EndsMaintenance-free (lubrication free) rod ends from AST have two different sliding contact surfaces: steel-on-PTFE composite material and steel-on-PTFE fabric (depending on the diameter of the shaft). Both have very low friction and can be operated without maintenance. They are used for applications where long bearing lives are required without maintenance, or where operating conditions, such as inadequate lubrication or the absence of lubrication make the use of steel-on-steel bearing inadvisable. The maintenance-free bearings are primarily intended for applications where loads are heavy and have a constant direction.

AST has 164 standard rod ends in its online catalog.  They come with a choice between inch and metric dimensions along with male or female threads. Contact us if you have any special needs.

If you need help in selecting the best products for your particular application, please remember that design engineering and application assistance are available from AST as part of our value-added services designed to make your job easier.

Other Types of Spherical Bearings

There are other types of "spherical bearings" including spherical plain bearings, spherical ball bearings and spherical roller bearings. To learn more about the various kinds of spherical bearings, please visit "Spherical Bearings – Accommodating Misalignment" which explains the similarities and differences between the various types.

Rod Ends Online Catalog

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