JP2009115300A5 - - Google Patents

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Publication number
JP2009115300A5
JP2009115300A5 JP2007292329A JP2007292329A JP2009115300A5 JP 2009115300 A5 JP2009115300 A5 JP 2009115300A5 JP 2007292329 A JP2007292329 A JP 2007292329A JP 2007292329 A JP2007292329 A JP 2007292329A JP 2009115300 A5 JP2009115300 A5 JP 2009115300A5
Authority
JP
Japan
Prior art keywords
roller bearing
needle roller
column
planetary gear
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2007292329A
Other languages
Japanese (ja)
Other versions
JP5012438B2 (en
JP2009115300A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007292329A priority Critical patent/JP5012438B2/en
Priority claimed from JP2007292329A external-priority patent/JP5012438B2/en
Publication of JP2009115300A publication Critical patent/JP2009115300A/en
Publication of JP2009115300A5 publication Critical patent/JP2009115300A5/ja
Application granted granted Critical
Publication of JP5012438B2 publication Critical patent/JP5012438B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (2)

軸方向に互いに間隔をあけて配置された一対の環状部と、円周方向に亙って間欠的に配置されて前記一対の環状部を連結する複数の柱部と、を有して、前記環状部と前記柱部と間に複数のポケットが形成された保持器と、
前記ポケットに転動自在に保持された複数の針状ころと、
を備えた針状ころ軸受であって、
前記柱部は、軸方向の中間に配置された中央板部が縮径されており、
前記中央板部の中間に、周方向に向けて幅狭となる幅狭部が設けられる
ことを特徴とする針状ころ軸受。 A pair of annular portions that are spaced apart from each other in the axial direction, and a plurality of column portions that are intermittently disposed in the circumferential direction to connect the pair of annular portions, A cage in which a plurality of pockets are formed between the annular portion and the column portion;
A plurality of needle rollers rotatably held in the pocket;
A needle roller bearing with
The column part has a reduced diameter central plate part arranged in the middle in the axial direction,
A needle roller bearing, wherein a narrow portion that is narrower in a circumferential direction is provided in the middle of the central plate portion . ピニオンシャフトの両端をキャリアで支持した遊星歯車機構における遊星歯車の支持に用いられる
請求項１に記載の針状ころ軸受。 The needle roller bearing according to claim 1, wherein the needle roller bearing is used for supporting a planetary gear in a planetary gear mechanism in which both ends of a pinion shaft are supported by a carrier.
JP2007292329A 2007-11-09 2007-11-09 Needle roller bearing Active JP5012438B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007292329A JP5012438B2 (en) 2007-11-09 2007-11-09 Needle roller bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007292329A JP5012438B2 (en) 2007-11-09 2007-11-09 Needle roller bearing

Publications (3)

Publication Number Publication Date
JP2009115300A JP2009115300A (en) 2009-05-28
JP2009115300A5 true JP2009115300A5 (en) 2010-10-21
JP5012438B2 JP5012438B2 (en) 2012-08-29

Family

ID=40782645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007292329A Active JP5012438B2 (en) 2007-11-09 2007-11-09 Needle roller bearing

Country Status (1)

Country Link
JP (1) JP5012438B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6497833B2 (en) 2012-10-05 2019-04-10 Ntn株式会社 Needle roller with cage
CN106246728B (en) * 2015-06-09 2021-05-18 斯凯孚公司 Radial cage for high speed bearings
JP7089369B2 (en) * 2018-01-09 2022-06-22 Ntn株式会社 Roller with cage and planetary gear support structure
JP7003783B2 (en) * 2018-03-27 2022-01-21 株式会社ジェイテクト Cage and roller
JP2024076053A (en) * 2022-11-24 2024-06-05 Ntn株式会社 Cage, needle roller and cage assembly using said cage, and bearing device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126217A1 (en) * 2001-05-30 2002-12-05 Ina Schaeffler Kg Rolling bearing cage
JP2005214390A (en) * 2004-02-02 2005-08-11 Nsk Ltd Needle bearing, planetary gear mechanism and pinion shaft

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