6203-2RS Hybrid Ceramic Bearing 17x40x12mm Si3N4 Sealed ABEC-56203 2RS Hybrid Ceramic Ball Bearing ABEC 5 17mm x 40mm x 12mm Si3N4 Balls Stainless Steel Double Sealed The S6203 2RS (Stainless Steel version of the 6203 2RS) is a premium hybrid ceramic bearing designed for high speed, low friction performance. Featuring durable stainless steel races and ultra smooth silicon nitride (Si3N4) ceramic balls, it's built for demanding applications like electric motors, high end tools, and 3D printers. The double rubber
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