| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which can suppress a crack due to fatigue in a slide bearing comprising back metal, an Al-based intermediate layer, and an Al-based bearing alloy layer.SOLUTION: A slide bearing comprises: a lining comprising 3-12.5 wt% of Sn, 1-8 wt% of Si, 0.05-3 wt% of Cr, 0.05-0.3 wt% of Zr, 0.01-0.5 wt% of Ti, 3 wt% or less of Cu or Mg, and 0-9 wt% of Bi, with the balance being Al and unavoidable impurities; back metal; and an intermediate layer formed between the back metal and the lining by use of an Al alloy comprising 0.01 wt% or more of at least one solid solution component selected from Zn, Cu, Mg, Li, Mn, V, Zr, Fe, Mo, Co, Ni, Hf, Sc, Ti, and W so that its thickness becomes 20 μm or more and its Vickers hardness becomes 30 or more and 80 or less. |
