A sliding bearing of copper-based alloy

摘要

A sliding bearing of copper-based alloy is provided which is superior in seizure resistance and wear resistance. The sliding bearing of copper-based alloy is provided with a back metal layer, a bearing alloy layer disposed on the back metal layer which bearing alloy layer consists of a copper alloy, a copper-zinc intermediate layer containing 20 to 50 wt % of zinc disposed on the bearing alloy layer, and a tin-based or aluminum-based overlay disposed on the intermediate layer.