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US 8,136,993 B2Granted
Sliding bearing
AssigneeDaido Metal Company Ltd.
InventorsMikio Suzuki, Yuto Otsuki, Hideo Nakamura
Life of this patent
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Abstract
A cylindrical sliding bearing having a cylindrical steel back metal, and a bearing alloy layer, serving as a sliding surface, on the inside of the steel back metal is provided. The cylindrical sliding bearing further have a coat layer of Bi or a Bi-based alloy formed on the outer back surface of the steel back metal. Preferably, the coat layer is made from the Bi-based alloy of 1 to 30 mass % of one or more kinds of Sn, Pb, In, Ag and Cu; and the balance being Bi and inevitable impurities.
Claims2
A cylindrical sliding bearing assembly comprising
- a cylindrical steel back metal,
- a bearing alloy layer, serving as a sliding surface, on an inside surface of the steel back metal, and
- a coat layer of Bi or a Bi-based alloy on an outer back surface of the steel back metal;
- wherein said cylindrical bearing is press-fit within a bearing housing with said coat layer of Bi or Bi-based alloy in contact with and pressed against an inside surface of the bearing housing.
1 more element
Dependencies are inferred from the claim text.