Sintered bearing

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United States of America Patent

PATENT NO 9939015
SERIAL NO

15236913

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Abstract

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Provided is a sintered bearing (1) including an inner layer (2) and an outer layer (3) formed by integral molding, the sintered bearing (1) having a bearing surface (A) formed on an inner peripheral surface (2a) of an inner layer (2). The inner layer (2) is made of sintered metal containing Fe and a hardness increasing element (such as Ni or Mo). The outer layer (3) is made of sintered metal containing Fe and no hardness increasing element. A concentration gradient of the hardness increasing element is present at an interface between the inner layer (2) and the outer layer (3).

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Patent Owner(s)

Patent OwnerAddress
NTN CORPORATIONOSAKA-SHI OSAKA 550-0003

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mouri, Toshihiko Aichi, JP 12 34
Satoji, Fuminori Aichi, JP 49 342
Sugai, Yousuke Aichi, JP 21 77
Yoshizuka, Noriyoshi Aichi, JP 5 34

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