JP6557950B2 - ソリッド形ニードル軸受 - Google Patents
ソリッド形ニードル軸受 Download PDFInfo
- Publication number
- JP6557950B2 JP6557950B2 JP2014176053A JP2014176053A JP6557950B2 JP 6557950 B2 JP6557950 B2 JP 6557950B2 JP 2014176053 A JP2014176053 A JP 2014176053A JP 2014176053 A JP2014176053 A JP 2014176053A JP 6557950 B2 JP6557950 B2 JP 6557950B2
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- diameter side
- portions
- column
- needle bearing
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
(1) 転動体である複数のニードルと、
内周面に外輪軌道面を有する外輪と、
軸方向に間隔を開けて設けられた円環状の1対のリム部と、該両リム部間に円周方向に間隔を開けて配置された複数の柱部とを備え、円周方向に隣り合う前記柱部と前記両リム部とによりそれぞれ画成される複数のポケットで前記複数のニードルを回動自在に保持する樹脂製の保持器と、
を有するソリッド形ニードル軸受であって、
前記各柱部の内径側側面に内径側係止突部が設けられ、前記各柱部の外径側側面に外径側係止突部が設けられ、
前記外輪の軸方向両端部には、前記外輪軌道面よりも大径の環状の逃がし部が形成され、
前記1対のリム部の外周面は、前記外輪軌道面を挿通する際には前記リム部と共に弾性変形して縮径し、挿通後には弾性復帰して前記逃がし部と係合して、前記外輪に対して前記保持器の軸方向位置を位置決めする係合突起部を備え、
前記係合突起部は、径方向に対向して円周方向に部分的に2箇所配置されることを特徴とするソリッド形ニードル軸受。
図1及び図2に示すように、本実施形態のソリッド形ニードル軸受10は、転動体である複数のニードル11と、内周面に外輪軌道面12を有する外輪13と、複数のニードル11を回動自在に保持する樹脂製の保持器20と、を備える。
11 ニードル(転動体)
12 外輪軌道面
13 外輪
14 逃がし部
20 保持器
21 リム部
22 柱部
23 ポケット
24 係合突起部
Claims (1)
- 転動体である複数のニードルと、
内周面に外輪軌道面を有する外輪と、
軸方向に間隔を開けて設けられた円環状の1対のリム部と、該両リム部間に円周方向に間隔を開けて配置された複数の柱部とを備え、円周方向に隣り合う前記柱部と前記両リム部とによりそれぞれ画成される複数のポケットで前記複数のニードルを回動自在に保持する樹脂製の保持器と、
を有するソリッド形ニードル軸受であって、
前記各柱部の内径側側面に内径側係止突部が設けられ、前記各柱部の外径側側面に外径側係止突部が設けられ、
前記外輪の軸方向両端部には、前記外輪軌道面よりも大径の環状の逃がし部が形成され、
前記1対のリム部の外周面は、前記外輪軌道面を挿通する際には前記リム部と共に弾性変形して縮径し、挿通後には弾性復帰して前記逃がし部と係合して、前記外輪に対して前記保持器の軸方向位置を位置決めする係合突起部を備え、
前記係合突起部は、径方向に対向して円周方向に部分的に2箇所配置されることを特徴とするソリッド形ニードル軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014176053A JP6557950B2 (ja) | 2014-08-29 | 2014-08-29 | ソリッド形ニードル軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014176053A JP6557950B2 (ja) | 2014-08-29 | 2014-08-29 | ソリッド形ニードル軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016050623A JP2016050623A (ja) | 2016-04-11 |
JP6557950B2 true JP6557950B2 (ja) | 2019-08-14 |
Family
ID=55658285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014176053A Active JP6557950B2 (ja) | 2014-08-29 | 2014-08-29 | ソリッド形ニードル軸受 |
Country Status (1)
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JP (1) | JP6557950B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6408351B2 (ja) * | 2014-11-13 | 2018-10-17 | 日本精工株式会社 | ロッカーアーム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2912532B2 (ja) * | 1993-09-30 | 1999-06-28 | エヌティエヌ株式会社 | 保持器付き針状ころ |
DE19646310A1 (de) * | 1996-11-09 | 1998-05-14 | Skf Gmbh | Radial-Wälzlager |
JP2000145790A (ja) * | 1998-11-11 | 2000-05-26 | Ntn Corp | 保持器付き針状ころ |
JP2005172059A (ja) * | 2003-12-09 | 2005-06-30 | Koyo Seiko Co Ltd | ころ軸受 |
JP2006322581A (ja) * | 2005-05-20 | 2006-11-30 | Jtekt Corp | 割り保持器およびこれを備えた分割型軸受 |
WO2009045983A1 (en) * | 2007-10-03 | 2009-04-09 | The Timken Company | Positioning means for camshaft roller bearing |
JP5689603B2 (ja) * | 2010-01-04 | 2015-03-25 | Ntn株式会社 | 支持軸受 |
JP2011220423A (ja) * | 2010-04-08 | 2011-11-04 | Jtekt Corp | 針状ころ軸受 |
JP2013174283A (ja) * | 2012-02-24 | 2013-09-05 | Jtekt Corp | ソリッド形針状ころ軸受 |
DE102013202726A1 (de) * | 2013-02-20 | 2014-08-21 | Aktiebolaget Skf | Eine Käfigkomponente und ein Nadellager |
DE102014217168A1 (de) * | 2014-08-28 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Nadellager mit einem Käfig und einer an dem Käfig gebildeten Haltenase |
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2014
- 2014-08-29 JP JP2014176053A patent/JP6557950B2/ja active Active
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JP2016050623A (ja) | 2016-04-11 |
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