SEALED STRUCTURE - These bearings use double sided metal shielded, which can effectively keep dust and debris from entering and protect lubricating oil against loss. And reduce bearing noise to ensure normal operation.
BALLS BEARING - The 6900ZZ deep groove balls bearing is specially designed to withstand radial loads. And bearing has 10mm inner diameter, 22mm outer diameter and 6mm thickness. There comes total 10 pcs balls bearings which you may use for many different projects.
HIGH HARDEN MATERIAL - Miniature bearing is made of quality bearing steel, which is resistant to deformation under heavy loads, guaranteeing long term use. High speed operation, low noise, high temperature resistance and glossy rotation.
SCOPE OF APPLICATION - The double shielded bearing is suitable for high speed running occasions. Very great for small hobby 10mm shaft/rod projects, suitable for use in such applications as skateboards, inline skates, and scooters.
QUALITY GUARANTEE - If you have any questions about this product, you can contact us at any time. We have a professional customer service team and will provide you with the best quality service. We will try our best to solve your problem in time, please rest assured to buy.