Rod End Bearings

Rod End and Spherical Plain Bearings

Spherical plain and rod end bearings have a ball that rotates in a race to accommodate a wide range of angular misalignment. They are commonly used in linkages and low-speed applications and consist of a spherical ball made from metallic or non-metallic compounds with a corresponding cylindrical outer ring. They are fitted in a housing bore within a machine or apparatus. These are referred to as spherical plain bearings.

Rod end bearings are generally a metallic or non-metallic stem with a spherical ball mounted in one or both ends. If the stem of the rod is threaded, it is referred to as a male rod end. If the rod is threaded on the inside, it is referred to as a female rod end.

While spherical plain bearings offer misalignment capability in a fixed housing position; rod ends offer ease in mounting and adjustment of position in installations such as mechanisms, linkages, and control rods. Rod ends also provide a compact, lightweight, economical design alternative to a conventional housing installation.

Key Manufacturers of Rod End Bearings We Offer

  • Alinabal
  • Aurora Bearing
  • Durbal, Inc.
  • FK Bearing
  • Heim (RBC)
  • P.T. International
  • RBC Bearings
  • SealMaster
  • SKF


Content on this page was created using excerpts from the Power Transmission Handbook (5th Edition), which is written and sold by the Power Transmission Distributor’s Association (PTDA). The Power Transmission Handbook is just under 400 pages and is a valuable resource for anyone involved or interested in the power transmission industry.

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