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ISO 9001:2000 Certified Quality Management System

Specialty Ball Bearings

James Webb Space Telescope JWST artist concept courtesy of Northrop Grumman
The James Webb Space Telescope
Photo Courtesy of Northrop Grumman

Specialty Robotics Bearings

PACAMOR KUBAR BEARINGS (PKB) extremely high precision specialty ball bearings are found in many challenging aerospace and defense applications. PKB's specialty ball bearing designs are found in near-earth and cryogenic missions, life-sustaining survival suits for space exploration, public and private rocket launches and well known NASA space projects. PKB manufactures a wide variety of specialty ball bearings for space vehicles, guidance systems, array mechanisms, flow meters and flow control units that are used in some pretty extreme environments like the James Webb Space Telescope or JWST.

PKB engineers are available to help customize your bearing design with a variety of special features, including, but not limited to:

  • Modified Dimensions
  • Angular Contact
  • Full Complement
  • Thin Section
  • Corrosion Resistant
  • Cryogenic Heat Treat
  • Optimized Temper Cycles
  • Retainer material options
  • Bearing testing & documentation
  • Optional Ceramic balls
  • Bearing closures
  • Coded Bores & ODs
  • Flanges
  • Coatings
  • Highly finished, honed surfaces
  • Other unique features are offered to ensure a proper fit & optimum functionality

Stainless steel (440C) high precision specialty ball bearings for use in the extreme temperature ranges of space applications are available in standard inch sizes and various metric sizes. A variety of special features, including, but not limited to, special heat treat options, retainer materials, lubricants, flanges, modified dimensions, and other unique features are offered to ensure a proper fit in the upper level assembly.

Optional retainer materials and specialty ball materials, coatings, and shield or seal designs are available to meet the specific requirements of your application. Please visit our fully searchable, online catalog of miniature and instrument bearings or specify a new bearing design for our factory to produce specifically to your unique requirements. Many special features are not listed in the website, so please be sure to contact us directly for assistance with unique retainer solutions, bearing closures, lubricants, or other special features.

PACAMOR KUBAR BEARINGS is a domestic manufacturer of high precision miniature and instrument bearings, full complement ball bearings, angular contact bearings, and thin section bearings.  PKB offers over 40 years of expertise in ball bearings.  Interested in learning more about PKB Specialty Bearings? Click here to continue.