In the process of using, the naval brass alloy bushing makes the solid lubricant and the shaft friction through the friction heat, forming the excellent condition of oil and powder coexisting lubrication, which not only protects the shaft from wear, but also makes the solid lubrication characteristic eternal. At present, it has been widely used in high temperature, high load, low speed and heavy load occasions, such as metal casting machine, injection molding machine, train support, etc.