PLAIN BEARING COMPRISING A SLIDING LAYER AND A RUNNING-IN LAYER

摘要

The invention relates to a plain bearing comprising a bearing backing (5), a running-in layer (4), a diffusion barrier layer (3), a sliding layer (2) and a running-in layer (1). The invention is characterized in that the sliding layer (4) is an Al/Bi alloy layer which has a Bi content of 1.5 to 21.5% by weight of Bi and the running-in layer (1) is a Bi or Bi alloy layer, said Bi alloy having a Bi content of more than 90% by weight.