10 Pack YoYo Bearings For ProYo And Duncan YoYos Chrome Steel Ball Bearings With Double Shield ZZ High Durability And Performance Up To 71000 RPM Fits ProYo And Duncan Models

These bearings are chrome-steel, deep groove ball bearings with double shields to block dust and debris. They’re designed for quick swaps and reliable spin in ProYo and standard Duncan-style yoyos, keeping performance consistent trick after trick.

✅ Pack size: 10 bearings in one tube
✅ Material: chrome steel for durability
✅ Shields: double metal shields (ZZ) keep dust out
✅ Lubrication: factory pre-lubed with grease
✅ Speed: up to 71000 rpm for fast play
✅ Fit: ProYo and Duncan YoYo models

💡 What is a ball bearing used for in hobby yoyos and small mechanical devices?
In general, ball bearings reduce friction and support smooth rotation in compact assemblies.
- In yoyos, bearings let the axle spin freely for longer tricks.
- They handle radial loads and maintain rotation accuracy.
- Shielded designs resist dust and prolong bearing life.