OSTEN"S HIGH-PRECISION 30MM DIAMETER STEEL BALL BEARINGS
Ultra-smooth 30mm diameter steel bearings with chrome plating for corrosion resistance and extended durability. Precision-machined to ±0.001mm tolerance for flawless rotation in high-speed applications. Ideal for industrial machinery, automotive components, and robotics. Heat-treated alloy core ensures superior load capacity (up to 5,000 RPM) without deformation. Mirror-polished surface minimizes friction, reducing energy consumption. Perfect for conveyor systems, DIY projects, and precision instruments. Pre-packaged in bulk quantities (100+ units) at unbeatable wholesale pricing. Global shipping available with guaranteed quality compliance (ISO 9001 certified). Upgrade your mechanical systems with reliability engineered for performance.