Open Deep Groove Ball Bearing One Quarter Inch Bore Nylon Cage High Speed Bearings For Fidget Spinners And Router Tools Pack Of Ten Ideal For Fidget Toy Modding Precision Spin Durable Nylon Cage For Smooth Long Lasting Performance

Open Deep Groove Ball Bearings, 1/4in bore, nylon cage
✔️ R188 open deep groove, nylon cage, 10 pcs per pack

Open-type deep groove ball bearings with a 1/4 in bore and nylon cage, built for high-speed rotation in compact tools and hobby projects. Commonly used in fidget spinners, router tools, and DIY toy mods.

✅ Inner diameter 6.35mm (1/4"), outer diameter 12.7mm (1/2"), thickness 4.8mm (3/16")
✅ Open-type design with nylon cage for quick lubrication and light tool use
✅ Chrome steel races (GCr15) with nylon cage for durability and low noise
✅ 10 bearings per pack for convenient replacement in projects
✅ High-speed up to 20,000+ RPM for spinners and router tasks

💡 What is an open deep groove ball bearing used for in hobby tools and precision mods?

Open deep groove bearings are handy for high-speed rotation in small tool assemblies and DIY toy mods. - High-speed rotation up to 20,000+ RPM for spinners and router tasks - Open design enables quick lubrication without disassembly - Nylon cage reduces noise and extends bearing life in light-duty projects - Pack of 10 bearings provides ready replacements for frequent use ✝️