CeramicSpeed Bearing Balls 3.969mm (5/32″) G5 Grade 5 (Five) Silicon Nitride – 12 balls

Every CeramicSpeed Ball is made of the highest quality Grade 5 Silicon Nitride, featuring the highest achievable surface finish and roundness. The quality of the balls is what determines the performance and longevity of a bearing.
The price is for 12 balls.

The production of a CeramicSpeed Ball is a time-consuming process that ensures the highest quality ceramic ball, which is smoother, rounder and harder than any other steel or ceramic ball available on the market.