50pack Ceramic Bearing Balls 4mm Si3N4 Silicon Nitride Ball G5 Precision

Specifications

DescriptionThese ceramic bearing balls are good for applications that require extreme rotation and require high performance bearing balls to meet the requirements.Lighter and stronger than tungsten carbide, these silicon nitride balls are diamond polished and will not shatter or melt under extreme conditions.Higher hardness than chrome steel balls. Vickers-hardness up to 1700HV.Widely useful for casters, drawer slides, bicycle hub, door locks, and more.

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