Fidget Toy Hand Spinners for 1/2" Ball Bearings

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No glue needed! Press the 608 bearing cartridge into the center first - it's easier to align this way. Make sure it is flush on both sides. The 608 bearings are the standard skateboard bearing size with a 22mm outer diameter, and they're commonly used. Press in the 1/2" loose ball bearings until you hear an audible click as they snap into place at the center of their holes. These bearings will rotate smoothly in their sockets without coming loose. This is because there's no guesswork involved - you know exactly where the center of each hole is located. The buttons have a raised shoulder for the inner bearing race to ride on, eliminating any rubbing or friction. As a result, you can hold them tightly and spin quickly without any issues. The buttons are also wide enough to allow for spinning on a tabletop or hard surface. The 9 and 10 ball spinners are quite heavy, making them ideal for fast-paced play. On the other hand, the 6 ball spinner is perfect for one-handed spinning and is suitable for small hands. Print Settings: Printer: XYZ Davinci Mini Rafts: No Supports: No Resolution: .2 Infill: 50% I designed this using Autodesk Fusion 360.