Bearing Bush

Bearing Bush

A bearing bush—also referred to as a bearing liner, shaft sleeve, or plain bearing bush—is a fundamental and critical component widely utilized within mechanical transmission systems. Its primary function is to establish a stable support and cushioning structure between a rotating shaft and the equipment housing; by minimizing friction, reducing wear, and enhancing operational stability, it ensures the long-term, reliable operation of the machinery. Typically installed at the connection points, rotating sections, or load-bearing areas of mechanical equipment, bearing bushes fulfill vital roles in industrial production, including guiding, supporting, vibration damping, and protecting the overall bearing system.

As modern industrial equipment evolves toward higher speeds, greater automation, and heavier load capacities, the material properties, machining precision, and wear resistance of bearing bushes have undergone continuous improvement. These products are engineered to withstand complex operating environments—including conditions involving high temperatures, high pressures, heavy loads, continuous operation, and exposure to dust or moisture—and are therefore extensively employed across a diverse range of industries, such as construction machinery, mining equipment, hydraulic systems, agricultural machinery, the automotive sector, metallurgical equipment, port machinery, and automated production lines.