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发明名称
転がり軸受
摘要
【課題】軸受部材の転がり接触部表面に燐酸塩被膜を形成し、防錆機能を有しつつ、軸受寿命の低下を抑制した転がり軸受を提供する。【解決手段】転がり軸受1は、内輪軌道面2aを含む内輪表面全体、外輪軌道面3aを含む外輪表面全体、転動体4の転動面4aを含む転動体表面全体に、燐酸塩被膜6を有し、燐酸塩被膜6の膜厚が6μm以上であり、該被膜の表面を真上方向から見た場合に、該被膜の全投影面積の30%以上が、投影面積が25μm2以上の結晶粒から構成されている。【選択図】図1
申请公布号
JP2017040328(A)
申请公布日期
2017.02.23
申请号
JP20150163344
申请日期
2015.08.21
申请人
NTN株式会社
发明人
戸田 耕平;伊藤 秀司;森内 光洋
分类号
F16C33/62;F16C19/26;F16C19/36;F16C33/34;F16C33/64;F16C33/66
主分类号
F16C33/62
代理机构
代理人
主权项
地址
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