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The Manufacturing of A Ball Bearing
Ball bearings are at the heart of almost every product with a rotating shaft.
Most bearing specifications and manufacturing tolerances are quantified in
one-ten thousandths of an inch (1/10,000) by ABMA; every manufacturing
process is 100% checked and feedback provided to ensure the integrity of the
process and product.
Note: A micron (an abbreviation for micrometers) is one-millionth of a
meter, or, 25,400 microns equals one (1) inch.
Repeatability in the Manufacturing Process
Predictable uniformity, or repeatability, in the manufacturing process is
crucial to ensuring consistent bearing performance. If variations occur in the
manufacturing process from part to part, the productior line may make
bearings that fall within the complete spectrum of the alowable tolerance
standards. That inconsistency-- producing parts that go fro"n one end of the
range to the other--can lead in turn to variations in the performance of each
bearing, either individually or from lot to lot. The narrowe" the variation in
each step of the manufacturing process, the greater the cofisistency of each
bearing’s performance.