4Pcs SBR16UU 16mm Aluminum Linear Bearings CNC Parts Open Motion Ball Slide Block for Silent, High speed, Precise Equipment

ALUMINUM ALLOY LINEAR BEARINGS: The linear motion bearings are manufactured with aluminum alloy material, providing maximum rigidity and stronger bearing capacity. OPTIMUM GUIDE UNITS: Optimum guide units for high precision and deflection sliding system with smooth motion, stable performance, and less cost and time. PRECISION ROLLER BEARINGS: Precision roller bearings, no need to lubricate, fit for silent, high-speed and precise equipment. CORROSION-RESISTANT PROPERTY: They are exquisitely designed with beautiful appearance, surface treated by special grinding and hard chrome plating process, making them with rust-resistant, abrasion-resistant and corrosion-resistant properties. LONG SERVICE LIFE: They car capable of preventing dust from entering the inside, so as to extend the service life, high durability and strong practicability.