Premium Chrome Steel Miniature Deep Groove Ball Bearing 689zz/2z/2rs
Precision-engineered with high-grade chrome steel for durability and smooth rotation. Features multiple sealing options (zz, 2z, 2rs) to protect against dust and moisture. Compact size (9x17x5mm) ideal for high-speed machinery, drones, RC models, and small appliances. Advanced heat treatment ensures extended lifespan under heavy loads. Low-friction design minimizes energy loss. Perfect for industrial automation, medical devices, and DIY projects. Global wholesale pricing with bulk discounts available. Direct factory supply guarantees unbeatable value. Trusted by engineers worldwide for reliability and performance.