发明名称 |
Rolling bearing component |
摘要 |
A needle case or needle bush produced without cutting for a thin-walled needle bearing is produced without cutting from a cold-rolled strip, which is a heat-treated steel which has the disclosed chemical composition and the disclosed mechanical characteristic values. After a heat treatment, a surface hardness of 860 to 880 HV and a core hardness of 550 to 650 HV are achieved. |
申请公布号 |
US2003091256(A1) |
申请公布日期 |
2003.05.15 |
申请号 |
US20020278202 |
申请日期 |
2002.10.22 |
申请人 |
GRELL KARL-LUDWIG;GRUBE GUNTER;MUNTNICH LEO |
发明人 |
GRELL KARL-LUDWIG;GRUBE GUNTER;MUNTNICH LEO |
分类号 |
F16C33/46;C21D1/06;C21D8/04;C21D9/14;C21D9/40;C22C38/00;C22C38/04;C22C38/42;C22C38/44;C22C38/50;C22C38/60;C23C8/22;C23C8/26;F16C19/46;F16C21/00;F16C33/30;F16C33/62;F16C33/64;(IPC1-7):F16C33/54 |
主分类号 |
F16C33/46 |
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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