发明名称 |
ROLLING BEARING FOR BELT TYPE NON-STAGE TRANSMISSION |
摘要 |
<p>Satisfactory durability is realized even when a CVT fluid of low viscosity is used and further the flow rate thereof is limited, and the efficiency of belt type non-stage transmission is enhanced while ensuring the durability. As the material constituting a bearing ring including outer ring (4), use is made of an iron alloy containing 0.15 to 0.5 wt.% of C, 0.1 to 1.5 wt.% of Si, 0.1 to 1.5 wt.% of Mn and 0.5 to 3.0 wt.% of Cr. Not only is this material subjected to carbonitriding, quench hardening, tempering and polish finishing but also a surface layer containing 0.8 to 1.2 wt.% of C and 0.05 to 0.50 wt.% of N is provided at a surface portion of outer ring raceway (6) disposed on an inside wall surface of the outer ring (4).</p> |
申请公布号 |
WO03081062(A1) |
申请公布日期 |
2003.10.02 |
申请号 |
WO2003JP03725 |
申请日期 |
2003.03.26 |
申请人 |
NSK LTD.;TAKEMURA, HIROMICHI;HAYASHI, YOSHITAKA |
发明人 |
TAKEMURA, HIROMICHI;HAYASHI, YOSHITAKA |
分类号 |
C21D1/78;C21D9/40;C22C38/04;C22C38/18;C23C8/32;C23C8/80;F16C33/62;F16C33/64;F16H9/18;F16H61/662;(IPC1-7):F16C33/64;C22C38/00;C22C38/24;C21D1/06 |
主分类号 |
C21D1/78 |
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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