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Spherical Rod End Bearings

speherical rod endsAetna Screw provides OEMs and distributors worldwide specializing in spherical rod ends, ball joints, and round bearings. Aetna's spherical rod ends are constructed with a spherical 52100 bearing steel ball hard chrome, in a commercial 2-piece or precision 3-piece design. Aetna Screw concentrates on industrial applications with spherical rod ends designed and manufactured to various specifications, I.E. (SAE J1120).

Rod End Bearing Features

Aetna's spherical rod ends are constructed using designs of metal-to-metal, high-strength injection-molded self-lubricating nylon raceway, PTFE lined raceways or bronze raceways. Aetna's rod end bodies are manufactured using 1045 steel. The spherical balls are manufactured using 52100 bearing steel and hard chrome plated. For additional protection, Aetna’s rod ends are ROHS Trivalent zinc plated and are available with a supplemental yellow dichromate coating. Some spherical rod ends are available using high alloy steel and Phosphate coated or Black Zinc coated. Aetna’s spherical rod ends are available in right and left-hand threads in male and female designs with and without studs. We also have the capabilities of producing left-hand threads and custom per print items and linkage assemblies upon request.

Spherical Rod End Applications

Aetna is a spherical rod end supplier of Heavy, Medium, and Light Duty rod ends suitable for industrial and mechanical motion transfer applications that require low friction, high wear resistance, and wide operating temperatures including:

  • Material Handling
  • Agriculture
  • Construction
  • Class 8 Trucks

To view all applicable industries & applications, please click here!


Inch Dimensions - Aetna Screw offers 4 product lines and 18 different series rod ends with inch, or imperial, dimensions. Products range in bore size and are available with a PTFE or metal to metal lined raceway design.


Metric Dimensions - Aetna Screw features male and female metric rod end bearings. The male series range high strength AMJM series to the metal to metal raceway MACM series. The female series range from high strength AFJM series to the industrial/commercial MACM series. Products range in bore and thread size.

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