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Roller Bearings Standards


Roller bearings agreement  to standards which say their   accuracy and efficiency. Bearing quality is maked by Roller Bearing Engineering Committee. These ratings classify different accuracy and tolerance ranges for roller bearings. The higher the RBEC number, the tighter the bearing tolerances. Very  high speed applications will see the greatest benefit from a more precise bearing.

A manufacturer does not have to follow these industrial guidelines. North American roller bearings are under edict of the RBEC scale, while other ball bearings adhere to ISO or its regional equivalent (DIN, KS, etc.) There are five accepted levels of the RBEC scale and the level is not related to the size of the bearing.

roller bearings standards

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