CeramicSpeed 1/4" (6.350 mm) replacement bearing balls
CeramicSpeed balls go through an extensive manufacturing process to ensure the greatest possible material density, so you don't have to worry about their durability. Our hammer test video is a great testament to the quality and durability of the materials we work with for our CeramicSpeed balls. We strive to source the highest quality bearings for our bearings with specially polished surfaces to best pair with our high-quality CeramicSpeed balls. The unique production process is 4-6 times longer than many of our competitors. The result is a ball that not only exceeds the standard 'Grade 3' specifications, but has a higher density and hardness right through to the center of the ball. It is this hardness of the ball that allows it to maintain its surface smoothness from manufacturing (measured at 0.08 microns or 0.00008 mm for surface measurement).
product ID | 332419 |

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