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5 x 11 x 4 Premium ABEC-5 Stainless Steel Ball Bearings
🟢 Grade: G5 - ultra-precise and smooth
Width/Height/thickness=17mm
💡 What is a flanged mounted bearing unit used for
hobby gearboxes
10-Pack Bearings R188-2RS 1/4" x 1/2" x 3/16" - Miniature - Sealed Inner Diameter - 14.2mm 5 x 11 x 4R188 2RS Sealed Ball Bearings 10 Pack 1 4" x 1 2" x 3 16" Chrome Steel Greased & Ready This 10 pack of R188 2RS deep groove ball bearings is built for smooth, reliable rotation in compact devices. Made from high strength chrome steel and sealed with rubber on both sides, theyre perfect for applications like yo yos, fidget spinners, and small electric tools. Pack size: 10 bearings Inner diameter: 1 4 inch (0. 25") Outer diameter: 1 2 inch (0. 50")