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Miniature Bearings Ball Bearings Spherical Plain Bearings Self Lubricating & Prelubricated Bearings Thin Section Bearings Aerospace Bearings

National Precision Bearing is proud to be a Gold sponsor for the 2012 Seattle Aerospace & Defense Supply Summit March 12-15.

Click Here for More Information

If you plan on attending and have time to visit our facility we would be pleased to host a meeting or a tour. We are located approximately 30 minutes from Downtown Seattle. Contact your inside or outside sales person to let us know if you plan on attending or coordinate a visit to our offices.

See you in March!


You wouldn't try to replace a Corvette's wheel using a pair of vice grips. Why would you use a mallet and chisel to remove and install a bearing in an airplane?

The use of makeshift bearing installation tools and methods can result in several expensive unintended consequences. At its worst, the misapplication of force can result in significant damage to both the bearing and the housing. At best, parts are subjected to unnecessary stresses that could potentially shorten their serviceable life requiring more frequent maintenance cycles and increased potential for unexpected failure. Fortunately, these risks are easily avoidable with the use of appropriate staking, swaging, cutting tools and proof load testers. Designed for easily repeatable bearing installation and removal, these tools are available in forms suitable for shop environments or more portable on-site repair applications.

Most commonly used for installation of bearings with V-grooves, swagers come in a variety of forms. Tri-Roller tools evenly push the bearing material over the housing by combining a rotating action and downward pressure to ensure an even swage. An animation is available on our website to illustrate this device in action. Click here to view the Swaging animation. Anvil swagers in combination with an arbor press may be used to swage both sides of a bearing at once. Other custom and common swagers are also available for various applications, including segment stakers for housing over bearing and sleeve bearings.

Equally important as proper installation, is the correct removal of the bearing. Cutting tools are designed to remove a specific bearing with minimum damage to the housing assembly, saving the added expense of reworking the housing.

Just as a lug and torque wrench on a wheel, having the right tool for installing and removing bearings, results in better efficiency and quality with every use. With a selection of in stock or custom built solutions, National Precision Bearing can help select and tailor a product for you.

National Precision Bearing offers:

  • A Selection of Drill Press swaging tools in stock
  • Portable options for on-sight application
  • Flexible combo tools for larger size bearings
  • Tool Kits for specific programs
  • Proof Load testers to meet OEM specifications
  • Custom tool design

Click here to view our Bearing Staking, Removal, and Testing Product Brochure

Visit our website at www.nationalprecision.com

Submitted by the Aircraft Product Group


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Phone: 800-426-8038 • 425-222-5900 • Fax: 888-448-1153 • 425-222-5950
E-mail: sales@nationalprecision.com

Copyright © 2012, National Precision Bearing, Inc.