A Ring and Pinion Manufacturer You Can Rely On

Custom PinionsWith SlewPro, you get precision-crafted manufacturing products such as slewing ring bearings, slewing drives, pinions and forged rings. A pinion is a round gear that is used in a wide range of applications, including aircraft, luggage security scanners, rail vehicles, ships, tower cranes and more. We offer pinions for all makes and models of slewing ring bearings. All pinions are made from 4140 alloy steel forgings resulting in dependable service year in and year out. For more information on pinions for slewing rings or to request a quote, please contact SlewPro today.

Heat Treating and Coating for Pinion Gear Sets

A variety of heat treating and coating options are available on SlewPro's custom pinions, including:

  • Variety of tooth forms
    • Fellows Stub
    • American Standard Stub
    • Full Depth Involute
  • Through Bores
  • Splines
  • Set Screws
  • Keyways
  • With or Without a Hub
  • Face mounts


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