| 摘要 |
A sliding bearing having improved seizure resistance has the following structure.(a) A bearing layer (2). It comprises a copper alloy containing in a Cu matrix Ag, Sn, Sb, In, Mn, Fe, Bi, Zn, Ni and/or Cr.(b) A fisrst sub-layer (3) of the bearing layer (2). It (3) contains concentrated element, hexagonal compound or eutectic of said element(s).(c) A second sub-layer (2a) in which said element in essential solid-solution state.(d) Metal backing (1).
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