Patent ID: 8430571

Claim:
A sliding bearing for engine applications, the sliding bearing comprising: a metallic supporting layer; a bearing metal layer made from one of an aluminum alloy, a copper alloy and brass disposed on said metallic supporting layer; and an 8- to 20-μm thick, PTFE-free, PAI-based coating disposed on said bearing metal layer, said PAI-based coating having 5 to 15% by weight of zinc sulfide, 5 to 15% by weight of graphite and 5 to 15% by weight of TiO 2 , wherein a ratio of zinc sulfide to TiO 2 and a ratio of graphite to TiO 2 in terms of percentage by weight are each in a range of 0.6 to 1.4, the zinc sulfide and TiO 2 each having a particle size of ≦0.7 μm.