Premium MR84ZZ Micro Deep Groove Ball Bearing for Precision Applications
Engineered with high-carbon chromium steel for superior durability and corrosion resistance, ensuring extended service life even under high-speed rotations. Precision-grade 4*8*3mm dimensions deliver ultra-smooth operation with minimal friction, ideal for high-performance electric toothbrush motors and compact devices. Features advanced ZZ dual metal shields to prevent dust and debris ingress while maintaining optimal lubrication retention. Manufactured with strict ISO 9001-certified processes for consistent accuracy (±0.001mm tolerance). Perfect for micro-mechanical systems, DIY electronics, dental tools, and small appliances requiring silent, vibration-free performance. Bulk pricing available for industrial buyers—global wholesale leader with factory-direct savings.