JP5246742B2 - ころ軸受用保持器および針状ころ軸受 - Google Patents
ころ軸受用保持器および針状ころ軸受 Download PDFInfo
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- JP5246742B2 JP5246742B2 JP2007336937A JP2007336937A JP5246742B2 JP 5246742 B2 JP5246742 B2 JP 5246742B2 JP 2007336937 A JP2007336937 A JP 2007336937A JP 2007336937 A JP2007336937 A JP 2007336937A JP 5246742 B2 JP5246742 B2 JP 5246742B2
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Description
Claims (4)
- 円環形状の一対のリング部と、
軸方向中央部領域で相対的に径方向内側に位置する柱中央部、軸方向端部領域で相対的に径方向外側に位置する一対の柱端部、および前記柱中央部と前記一対の柱端部それぞれとの間に位置する一対の柱傾斜部を含み、前記一対のリング部を相互に連結する複数の柱部とを備え、
鋼板を深絞り加工によって直径が前記柱中央部と実質的に等しい円筒部材を形成する工程と、前記円筒部材の軸方向両端部を拡開プレスにより拡径させて、前記柱中央部、前記一対の柱端部、および前記一対の柱傾斜部を形成する工程と、前記拡開プレスを行った状態で、前記円筒部材を軸方向に圧縮させることで、前記柱中央部、前記一対の柱端部、および前記一対の柱傾斜部のうち、隣接する各部の境界部分の肉厚を増肉する増肉加工とを含む製造方法によって製造され、
前記柱中央部、前記一対の柱端部、および前記一対の柱傾斜部の肉厚は、前記境界部分の曲率半径より大きい、ころ軸受用保持器。 - 前記一対のリング部の外径面および前記一対の柱端部の外径面の表面粗さRaは、0.05μm以上0.3μm以下である、請求項1に記載のころ軸受用保持器。
- 前記ころ軸受用保持器は、前記一対のリング部それぞれから径方向内側に延びる鍔部をさらに備え、
前記一対のリング部、および前記鍔部の肉厚は、前記リング部と前記鍔部との境界部分の曲率半径より大きい、請求項1または2に記載のころ軸受用保持器。 - 複数の針状ころと、
隣接する前記柱部の間に前記針状ころを収容するポケットが形成されている請求項1〜3のいずれかに記載のころ軸受用保持器とを備える、針状ころ軸受。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007336937A JP5246742B2 (ja) | 2007-12-27 | 2007-12-27 | ころ軸受用保持器および針状ころ軸受 |
PCT/JP2008/073196 WO2009084478A1 (ja) | 2007-12-27 | 2008-12-19 | ころ軸受用保持器および針状ころ軸受 |
US12/810,618 US8834035B2 (en) | 2007-12-27 | 2008-12-19 | Roller bearing retainer and needle roller bearing |
CN200880122891.0A CN101910659B (zh) | 2007-12-27 | 2008-12-19 | 滚子轴承用保持器及针状滚子轴承 |
DE112008003537T DE112008003537T5 (de) | 2007-12-27 | 2008-12-19 | Walzenlagerhalter und Nadelwalzenlager |
Applications Claiming Priority (1)
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JP2007336937A JP5246742B2 (ja) | 2007-12-27 | 2007-12-27 | ころ軸受用保持器および針状ころ軸受 |
Publications (2)
Publication Number | Publication Date |
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JP2009156390A JP2009156390A (ja) | 2009-07-16 |
JP5246742B2 true JP5246742B2 (ja) | 2013-07-24 |
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JP2007336937A Active JP5246742B2 (ja) | 2007-12-27 | 2007-12-27 | ころ軸受用保持器および針状ころ軸受 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021014863A (ja) * | 2019-07-10 | 2021-02-12 | Ntn株式会社 | 針状ころ軸受用保持器および針状ころ軸受 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4246310B2 (ja) * | 1999-01-12 | 2009-04-02 | Ntn株式会社 | ころ軸受用保持器の製造方法 |
JP2000257638A (ja) * | 1999-03-04 | 2000-09-19 | Nippon Thompson Co Ltd | ころ軸受用保持器及びその製造方法 |
JP4207721B2 (ja) * | 2003-08-29 | 2009-01-14 | 日本精工株式会社 | 複列ころ軸受用樹脂製保持器及び複列ころ軸受 |
JP4320599B2 (ja) * | 2004-02-20 | 2009-08-26 | 日本精工株式会社 | ラジアルニードル軸受用保持器の製造方法 |
JP2005344852A (ja) * | 2004-06-03 | 2005-12-15 | Ntn Corp | 転がり軸受 |
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