2.5mm Ceramic Bearing Balls Si3N4 Silicon Nitride Ball G5 Precision 10pcs
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. 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: 2.