Railway bridge bearing is a kind of part to connect the upper constructure and the lower constructure of bridges. It passes the reaction and deformation ( displacement and corner) from the upper constructure (steel rail, track plate, beam) to the lower constructure (bridge pier). Four bridge bearings as a box beam jiont with the bridge pier. The bearing is composed of the upper, lower suppot and the spare parts. The material is cast or forged steel. The type of anti-corrosion is sand blasting, spraying of aluminum or painting.The basin rubber bearing is a new kind of bridge bearing. Its rubber plate receives pressure and rotates. The features are rotating flexible , small sliding friction coefficient, simple, compact, light weight, low building height ,saving steel, low price, etc. It is especially used for long-span bridges.