NiArt Fidget Spinner Toy DIY Bearing with Caps Set 22-Pack, MR137 0.5" Single-Sealed Chrome Steel Bearing Balls Replacement High Speed 13mmx7mmx4mm Epoxy Resin Casting Craft Skateboard Stress Reliever

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About This ✅【Package Contents】This package includes 22pcs MR137 precision high-speed ball bearings with blue plastic seals and 22 pairs of ball bearing caps in black color (diamete r: approx. 2.1cm). MR137 steel ball bearing size: I.D. (Inner Diameter): 7mm, O.D. (Outer Diameter): 13mm, Thickness: 4mm. ✅【Premium Quality】The bearing is made of high-quality stainless steel and plastic for durability and resistance to deformation under heavy loads. The inner and outer races are machine-polished for smooth, high-speed rolling. This bearing provides higher speed, precision and durability, reducing replacement and maintenance costs. ✅【Radial Ball Bearing】The MR137 bearing is sealed on one side to keep contaminants such as dust and water from entering the equipment and keep it lubricated. Stainless-steel races ensure durability and corrosion resistance. The single-row radial ball bearing is suitable for applications with radial and axial loads. ✅【Spinner Cap & Wide Application】The ABS plastic caps are lightweight, durable and compatible with MR137 bearings. With components that are easy to install and unload, this bearing set can be used in a wide variety of applications. Perfect for DIY projects such as fidget spinners and replacement parts in case your original cap or bearing is lost. ⚠️【Safety Disclaimer】We do not assume any responsibility or liability for misuse of this product. All our products are extensively tested to meet rigorous quality control standards. We recommend proper supervision of children to prevent misuse of the product or accidents. WARNING: CHOKING HAZARD - Our accessory set contains small parts. Not for children under 3 years. Show more