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Bearings - Made in the USA ... Are they really? (DFARS Regulations)

From National Precision Bearing, Inc.

"Made in the USA" is a traditional mark and label used by many bearing manufacturers. This
statement however can be misleading. In today's highly competitive marketplace many
manufactures seek international off-shore sources for raw materials and components (such as
balls, rollers, cages and rings). As a result many of the "Made in the USA" bearings are finished
and assembled in the United States but contain components and materials that have been
produced off shore.
It is important to understand the US Government requirements for bearings that find their way
into defense related facilities, applications, etc.

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Products & Services
Thrust Bearings
Thrust bearings are designed for pure thrust loads, and can handle little or no radial load. The rolling element in a thrust bearing can be a ball, needle or roller.
Needle Roller Bearings
Needle roller bearings are designed for radial load applications where a low profile is desired.
Thrust Washers
Thrust washers are used as a bearing surface for rotary applications.  They are usually made of steel, bronze, plastic, or other material with low friction coefficients.
Radial Ball Bearings
Radial ball bearings are friction reduction, rotation devices that carry loads radially around its axis. A subtype of ball bearings, they operate through the use of lubricated steel balls placed between two circular guides. They are frequently called deep-groove bearings.
Ball Bearings
Ball bearings are used to provide smooth, low friction motion in rotary applications. Ball bearings types include radial ball bearings (deep groove and angular contact) and thrust ball bearings.
Product Announcements
SKF/North America - Slewing Rings & Turntable Bearings - Custom
SKF...Slewing bearings are large-sized bearings specifically designed to accommodate oscillating movements. They are comprised of an inner ring and an outer ring, one of which usually incorporates a... (read more)
Schatz Bearing Corp. - Retainers
Pressed Steel, Tabbed Style (Steel or Stainless Steel) These cages are made from pressed low carbon steel or 300 series stainless steel. This is the standard cage used in the 1900and 1200 precision... (read more)
Hilman Rollers - Hilman Rocker Tops & Turntables
Hilman Rocker Tops are designed for integration with Hilman OT and NT Series Rollers in order to provide some degree of articulation. Rocker Tops can be made custom for a variety of other rollers as... (read more)
All Shore Industries - Complete Custom Metal Fabrication Services
All Shore Industries offers metal fabrication services from their Asian manufacturing facilities covering the entire process of turning raw materials into usable product components. Metal fabricators... (read more)
Hilman Rollers - The Hilman Motorized Roller System
Designed to be used on a steel track; the Hilman Motorized Roller is a low-profile, high-capacity solution for permanent, repetitive movement of heavy objects. (read more)
ABT Bearing - Deep Groove Ball Bearings
Deep groove ball bearings have grooved raceways on the inner and outer rings, enabling them to sustain moderate axial loads in both directions and radial loads. Balls are separated by steel cages,... (read more)
Topics of Interest

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bearings are the most widely used ball bearings. In addition to radial loads, they carry substantial thrust loads at high speeds, in either direction. They require careful alignment between shaft and...

The Beast preprocessor displays a model of a deep-groove ball bearing (SKF Type 6309) used for the simulations. Simulation of a deep-groove ball bearing running at 600 rpm under a 1-kN radial load.

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