Multilayer plain bearing have a 3-layer structure in which bronze sintered porous back steel is impregnated with fluorinebased resin that has a low coefficient of friction. The resin layer acts as a lubricating substance and makes oilless use possible. Our resin plain bearings are lead-free products possessing the required low-friction, high-load, high-rotation characteristics and used in a variety of products including automotive shock absorbers.