THK Co., Ltd. LBST40-8 Recirculating Ball Linear Bearing

The THK LBST40-8 Recirculating Ball Linear Bearing delivers precise, low-friction linear motion on a compatible 40 mm hardened shaft. Built for high load capacity, high rigidity, and long service life in demanding automation and machine tool environments, the LBST40-8 uses recirculating steel balls within a cylindrical linear bushing to provide smooth guidance and accurate positioning. Compatible with hardened and ground 40 mm shafts and designed for industrial automation and precision motion systems, it supports grease or oil lubrication and is commonly used in CNC machining centers, industrial robots, packaging equipment, semiconductor manufacturing systems, automated assembly lines, and material handling equipment—serving maintenance teams, OEM builders, and system integrators in repairs, retrofits, and replacements.