Premium Chrome Steel GCR15 R188/R188ZZ Ball Bearings
High-speed deep groove ball bearings engineered for precision and durability, crafted from premium Chrome Steel GCR15 for superior hardness and wear resistance. Mirror-polished raceways and precision-ground balls ensure ultra-smooth rotation, minimizing friction for high RPM applications like electric motors, power tools, and small machinery. Sealed with R188ZZ shields to prevent dust ingress while maintaining low-noise operation, ideal for medical devices, robotics, and automotive components. Wholesale bulk pricing available—direct from the manufacturer for unbeatable value without compromising industrial-grade performance.