发明名称 |
SINTERED BEARING |
摘要 |
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). |
申请公布号 |
EP2824340(A1) |
申请公布日期 |
2015.01.14 |
申请号 |
EP20130758232 |
申请日期 |
2013.03.07 |
申请人 |
NTN CORPORATION |
发明人 |
MOURI, TOSHIHIKO;YOSHIZUKA, NORIYOSHI;SUGAI, YOUSUKE;SATOJI, FUMINORI |
分类号 |
F16C33/12;B22F5/10;B22F7/06;F16C33/14 |
主分类号 |
F16C33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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