JP2014020506A - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
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- JP2014020506A JP2014020506A JP2012161691A JP2012161691A JP2014020506A JP 2014020506 A JP2014020506 A JP 2014020506A JP 2012161691 A JP2012161691 A JP 2012161691A JP 2012161691 A JP2012161691 A JP 2012161691A JP 2014020506 A JP2014020506 A JP 2014020506A
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- lubricating oil
- seal
- rolling
- rolling bearing
- cage
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- 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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
- F16C33/3875—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together made from plastic, e.g. two injection moulded parts joined by a snap fit
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- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
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- 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
- F16C33/38—Ball cages
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
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- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/667—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to conditioning, e.g. cooling, filtering
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- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
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- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/30—Fluoropolymers
- F16C2208/32—Polytetrafluorethylene [PTFE]
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/52—Polyphenylene sulphide [PPS]
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/60—Polyamides [PA]
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- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/66—Acetals, e.g. polyoxymethylene [POM]
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- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6674—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to the amount supplied, e.g. gaps to restrict flow of the liquid
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- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】固定輪2および回転輪4間に転動自在に配設された複数の転動体6と、前記転動体6を転動可能に保持する保持器8と、前記固定輪の両端に設けられたシール7と、空間に設けられた潤滑油とを備えた転がり軸受において、前記転動体6および前記シール7間における前記回転輪4の前記保持器8側の周面に、前記潤滑油を一時的に貯留する環状溝10を形成し、前記環状溝10に一時的に貯留された潤滑油を金属粉毎に掻き出す突起部9を前記保持器8の前記回転輪4側の周面に、円周方向に少なくとも1箇所以上形成し、前記シール7の前記回転輪4側に掻き出された潤滑油中の金属粉を集約する磁性体20を設けた。
【選択図】図1
Description
図2、図3に示すように、保持器8は、環状体8aの円周方向に内部に玉6を保持するポケット8bを複数箇所に有する形状である。この保持器8は、例えば、合成樹脂を射出成形して形成されている。また、この保持器8は各ポケット8bの内面を単調な同一曲率から成る球面とし、各ポケット8bに玉6がはめ込まれることにより、軸方向、径方向、および円周方向への拘束がなされる転動体案内形式に構成されている。
以上の構成によれば、環状溝110に設置した磁性体115により、潤滑油に含まれる摩耗粉を吸着しやすくして、一時的に集約して、含有濃度を高めた上で保持器108の突起109により飛ばされてシール107の磁性体120側へ吸着できるため、効率的に摩耗粉の集約できる。
さらに磁性体110と磁性体120の磁力の大きさをかえて(例えば、磁性体120の磁力を磁性体110より大きくする)形成することで外側にあるシール側の磁性体120に集めやすくなり、より効果的に摩耗粉を集約できる。
Claims (2)
- リング状の固定輪と、リング状の回転輪と、前記固定輪および前記回転輪間に転動自在に配設された複数の転動体と、前記転動体を転動可能に保持するポケットを円周方向に複数設けた保持器と、前記固定輪の両端に設けられたシールと、前記固定輪、前記回転輪および前記シールに囲まれた空間に設けられた潤滑油とを備えた転がり軸受において、前記転動体および前記シール間における前記回転輪の前記保持器側の周面に、前記潤滑油を一時的に貯留する環状溝を形成し、前記環状溝に一時的に貯留された潤滑油を金属粉毎に掻き出す突起部を前記保持器の前記回転輪側の周面に、円周方向に少なくとも1箇所以上形成し、前記シールの前記回転輪側に掻き出された潤滑油中の金属粉を集約する磁性体を設けたことを特徴とする転がり軸受。
- 前記環状溝の底面に潤滑油に含まれている金属粉を磁力でもって吸引する第2磁性体を円周方向に少なくとも1箇所以上配置したことを特徴とする請求項1に記載の転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012161691A JP6011099B2 (ja) | 2012-07-20 | 2012-07-20 | 転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012161691A JP6011099B2 (ja) | 2012-07-20 | 2012-07-20 | 転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014020506A true JP2014020506A (ja) | 2014-02-03 |
JP6011099B2 JP6011099B2 (ja) | 2016-10-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012161691A Expired - Fee Related JP6011099B2 (ja) | 2012-07-20 | 2012-07-20 | 転がり軸受 |
Country Status (1)
Country | Link |
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JP (1) | JP6011099B2 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014213879A1 (de) * | 2014-07-16 | 2016-01-21 | Aktiebolaget Skf | Lager |
JP2016029303A (ja) * | 2014-07-25 | 2016-03-03 | Ntn株式会社 | 転がり軸受 |
CN107753090A (zh) * | 2017-11-27 | 2018-03-06 | 中南大学湘雅医院 | 一种骨手术用磨钻 |
US10012266B1 (en) * | 2017-01-12 | 2018-07-03 | Schaeffler Technologies AG & Co. KG | Ball bearing with cage having rattle reduction feature and method thereof |
CN109312782A (zh) * | 2016-06-08 | 2019-02-05 | Ntn株式会社 | 滚动轴承单元 |
CN110792693A (zh) * | 2019-11-15 | 2020-02-14 | 湖南新达微轴承有限公司 | 一种电机滚动轴承 |
JP2021139473A (ja) * | 2020-03-06 | 2021-09-16 | 株式会社ジェイテクト | 転がり軸受 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS441129Y1 (ja) * | 1965-01-04 | 1969-01-17 | ||
JPS5371146U (ja) * | 1976-11-17 | 1978-06-14 | ||
JP2006038085A (ja) * | 2004-07-27 | 2006-02-09 | Nsk Ltd | 密封装置 |
JP2012017804A (ja) * | 2010-07-08 | 2012-01-26 | Jtekt Corp | 円すいころ軸受 |
-
2012
- 2012-07-20 JP JP2012161691A patent/JP6011099B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS441129Y1 (ja) * | 1965-01-04 | 1969-01-17 | ||
JPS5371146U (ja) * | 1976-11-17 | 1978-06-14 | ||
JP2006038085A (ja) * | 2004-07-27 | 2006-02-09 | Nsk Ltd | 密封装置 |
JP2012017804A (ja) * | 2010-07-08 | 2012-01-26 | Jtekt Corp | 円すいころ軸受 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014213879A1 (de) * | 2014-07-16 | 2016-01-21 | Aktiebolaget Skf | Lager |
JP2016029303A (ja) * | 2014-07-25 | 2016-03-03 | Ntn株式会社 | 転がり軸受 |
CN106574663A (zh) * | 2014-07-25 | 2017-04-19 | Ntn株式会社 | 滚动轴承 |
US10094424B2 (en) | 2014-07-25 | 2018-10-09 | Ntn Corporation | Rolling bearing |
CN109312782A (zh) * | 2016-06-08 | 2019-02-05 | Ntn株式会社 | 滚动轴承单元 |
US10012266B1 (en) * | 2017-01-12 | 2018-07-03 | Schaeffler Technologies AG & Co. KG | Ball bearing with cage having rattle reduction feature and method thereof |
CN107753090A (zh) * | 2017-11-27 | 2018-03-06 | 中南大学湘雅医院 | 一种骨手术用磨钻 |
CN107753090B (zh) * | 2017-11-27 | 2023-08-22 | 中南大学湘雅医院 | 一种骨手术用磨钻 |
CN110792693A (zh) * | 2019-11-15 | 2020-02-14 | 湖南新达微轴承有限公司 | 一种电机滚动轴承 |
JP2021139473A (ja) * | 2020-03-06 | 2021-09-16 | 株式会社ジェイテクト | 転がり軸受 |
Also Published As
Publication number | Publication date |
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JP6011099B2 (ja) | 2016-10-19 |
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