Description:-These ceramic bearing balls are great for applications were there will be extreme rotation and a premium performance bearing ball is required to meet the demands.-Lighter and stronger than tungsten carbide, these silicon nitride balls are diamond polished, will not shatter or melt in the extreme conditions.-Higher hardness than chrome steel balls. Vickers hardness up to 1700HV.-Specially useful for casters, drawer slides, door locks and many other applications. Suitable for a range of purposes, some of the most common are listed below:-1/8" is often used for clusters and old English-style headsets-1/4" is often used for rear wheels and bottom brackets-3/16" is often used for front wheels-5/32" is often used for headsets with pressing cups Specification:Size: 3/16" (4.
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