JP2003239954A - ピボットアッシー用軸受 - Google Patents

ピボットアッシー用軸受

Info

Publication number
JP2003239954A
JP2003239954A JP2002035919A JP2002035919A JP2003239954A JP 2003239954 A JP2003239954 A JP 2003239954A JP 2002035919 A JP2002035919 A JP 2002035919A JP 2002035919 A JP2002035919 A JP 2002035919A JP 2003239954 A JP2003239954 A JP 2003239954A
Authority
JP
Japan
Prior art keywords
bearing
pivot assembly
assembly according
molybdenum
compounds
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.)
Pending
Application number
JP2002035919A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003239954A5 (https=
Inventor
Motoharu Akiyama
元治 秋山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea Co Ltd
Original Assignee
Minebea Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to JP2002035919A priority Critical patent/JP2003239954A/ja
Priority to US10/365,075 priority patent/US7067463B2/en
Publication of JP2003239954A publication Critical patent/JP2003239954A/ja
Publication of JP2003239954A5 publication Critical patent/JP2003239954A5/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/06—Mixtures of thickeners and additives
    • 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6633—Grease properties or compositions, e.g. rheological properties
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/106—Naphthenic fractions
    • C10M2203/1065—Naphthenic fractions used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
    • C10M2207/1285—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof used as thickening agents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/32—Esters of carbonic acid
    • C10M2207/325—Esters of carbonic acid used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/10—Amides of carbonic or haloformic acids
    • C10M2215/102—Ureas; Semicarbazides; Allophanates
    • C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066—Thiocarbamic type compounds
    • C10M2219/068—Thiocarbamate metal salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/041—Triaryl phosphates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/049—Phosphite
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/12—Groups 6 or 16
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/02—Bearings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/18—Electric or magnetic purposes in connection with recordings on magnetic tape or disc
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Lubricants (AREA)
  • Rolling Contact Bearings (AREA)
  • Moving Of Heads (AREA)
JP2002035919A 2002-02-13 2002-02-13 ピボットアッシー用軸受 Pending JP2003239954A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002035919A JP2003239954A (ja) 2002-02-13 2002-02-13 ピボットアッシー用軸受
US10/365,075 US7067463B2 (en) 2002-02-13 2003-02-12 Pivot assembly bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002035919A JP2003239954A (ja) 2002-02-13 2002-02-13 ピボットアッシー用軸受

Publications (2)

Publication Number Publication Date
JP2003239954A true JP2003239954A (ja) 2003-08-27
JP2003239954A5 JP2003239954A5 (https=) 2005-08-25

Family

ID=27678068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002035919A Pending JP2003239954A (ja) 2002-02-13 2002-02-13 ピボットアッシー用軸受

Country Status (2)

Country Link
US (1) US7067463B2 (https=)
JP (1) JP2003239954A (https=)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007112998A (ja) * 2005-09-26 2007-05-10 Nippon Grease Kk ピボットアッシー軸受用グリース組成物及びそれを封入したピボットアッシー用軸受
JP2010106189A (ja) * 2008-10-31 2010-05-13 Nsk Ltd ピボット用軸受
JP2010195849A (ja) * 2009-02-23 2010-09-09 Nsk Ltd グリース組成物、及びハードディスクドライブ用ピボット軸受
JP2013174334A (ja) * 2012-02-27 2013-09-05 Nsk Ltd ハードディスクドライブ装置のアクチュエータ用転がり軸受
KR20160090258A (ko) 2015-01-21 2016-07-29 세이코 인스트루 가부시키가이샤 그리스, 구름 베어링, 구름 베어링 장치 및 정보 기록 재생 장치
KR20160130154A (ko) 2015-05-01 2016-11-10 세이코 인스트루 가부시키가이샤 정보 기록 재생 장치의 롤링 베어링용 그리스, 롤링 베어링, 롤링 베어링 장치 및 정보 기록 재생 장치
JP2017031242A (ja) * 2015-07-29 2017-02-09 コスモ石油ルブリカンツ株式会社 グリース組成物
US9732798B2 (en) 2015-01-21 2017-08-15 Seiko Instruments Inc. Grease for rolling bearing
JP2018009062A (ja) * 2016-07-11 2018-01-18 セイコーインスツル株式会社 グリース、転がり軸受、転がり軸受装置及び情報記録再生装置
US9994788B2 (en) 2015-01-21 2018-06-12 Seiko Instruments Inc. Grease, rolling bearing, rolling bearing device, and information recording and reproducing apparatus
JP2018178085A (ja) * 2017-04-10 2018-11-15 ミネベアミツミ株式会社 グリース組成物および転がり軸受
US10145417B2 (en) 2016-06-30 2018-12-04 Minebea Mitsumi Inc. Grease composition-filled ball bearing, pivot assembly bearing including the ball bearing, and hard disk drive including the pivot assembly bearing
WO2020059346A1 (ja) * 2018-09-21 2020-03-26 ミネベアミツミ株式会社 グリース組成物を用いた転がり軸受

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US7576044B2 (en) * 2003-11-14 2009-08-18 Exxonmobil Research And Engineering Company PAO oil selection to control lubricating grease evaporation and low temperature
US7799101B2 (en) * 2004-09-29 2010-09-21 Chemtura Corporation Stabilized lubricant compositions
US20070242910A1 (en) * 2004-10-29 2007-10-18 Hitachi Contruction Machinery Co., Ltd. Grease For Slide Bearing
JP5086528B2 (ja) * 2005-06-07 2012-11-28 Ｎｔｎ株式会社 ハブベアリング用グリースおよびハブベアリング
WO2008056641A1 (en) * 2006-11-09 2008-05-15 Ntn Corporation Grease-sealed bearing for inverter drive motor
US9366384B1 (en) * 2013-07-23 2016-06-14 Western Digital Technologies, Inc. Oil lubricating process for actuator pivot bearings
US9273729B2 (en) 2013-10-01 2016-03-01 Seagate Technology Llc Apparatuses and methods having a bearing shield arrangement
US20150170688A1 (en) * 2013-12-18 2015-06-18 Western Digital Technologies, Inc. Grease composition additive for pivot bearing assemblies
JP6782080B2 (ja) * 2015-05-01 2020-11-11 セイコーインスツル株式会社 情報記録再生装置の転がり軸受用グリース、転がり軸受、転がり軸受装置及び情報記録再生装置
DE112022005114T5 (de) * 2021-10-25 2024-10-10 Minebea Mitsumi Inc. Schmierfettzusammensetzung, schwenkanordnungslager und lagereinrichtung mit lager
CN118234965A (zh) * 2021-10-25 2024-06-21 美蓓亚三美株式会社 滚动轴承、枢轴组件轴承以及盘片驱动装置

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US5358342A (en) * 1992-12-17 1994-10-25 Case Corporation Pivot assembly with gravity lubrication feature
JPH0972403A (ja) 1995-09-06 1997-03-18 Ntn Corp プーリ及びプーリ用玉軸受
JPH09169992A (ja) * 1995-12-19 1997-06-30 Hitachi Ltd 軸受及び軸受の製造方法並びに軸受を用いた磁気ディスク装置
JP3988897B2 (ja) * 1996-06-07 2007-10-10 協同油脂株式会社 等速ジョイント用グリース組成物
AR022922A1 (es) * 1999-03-15 2002-09-04 Shell Int Research Una composicion de grasa para juntas de velocidad constante, un metodo para lubricar una junta de velocidad constante y una junta de velocidad constante empaquetada con dicha grasa
JP4248688B2 (ja) * 1999-06-29 2009-04-02 協同油脂株式会社 等速ジョイント用グリース組成物
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JP4229354B2 (ja) * 2000-01-21 2009-02-25 ミネベア株式会社 ピボットアッシー用軸受
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JP2007112998A (ja) * 2005-09-26 2007-05-10 Nippon Grease Kk ピボットアッシー軸受用グリース組成物及びそれを封入したピボットアッシー用軸受
JP2010106189A (ja) * 2008-10-31 2010-05-13 Nsk Ltd ピボット用軸受
JP2010195849A (ja) * 2009-02-23 2010-09-09 Nsk Ltd グリース組成物、及びハードディスクドライブ用ピボット軸受
JP2013174334A (ja) * 2012-02-27 2013-09-05 Nsk Ltd ハードディスクドライブ装置のアクチュエータ用転がり軸受
US9994788B2 (en) 2015-01-21 2018-06-12 Seiko Instruments Inc. Grease, rolling bearing, rolling bearing device, and information recording and reproducing apparatus
KR20160090258A (ko) 2015-01-21 2016-07-29 세이코 인스트루 가부시키가이샤 그리스, 구름 베어링, 구름 베어링 장치 및 정보 기록 재생 장치
US9732798B2 (en) 2015-01-21 2017-08-15 Seiko Instruments Inc. Grease for rolling bearing
US10132355B2 (en) 2015-01-21 2018-11-20 Seiko Instruments Inc. Grease for rolling bearing, rolling bearing, rolling bearing device, and information recording and reproducing apparatus
KR20160130154A (ko) 2015-05-01 2016-11-10 세이코 인스트루 가부시키가이샤 정보 기록 재생 장치의 롤링 베어링용 그리스, 롤링 베어링, 롤링 베어링 장치 및 정보 기록 재생 장치
JP2017031242A (ja) * 2015-07-29 2017-02-09 コスモ石油ルブリカンツ株式会社 グリース組成物
US10145417B2 (en) 2016-06-30 2018-12-04 Minebea Mitsumi Inc. Grease composition-filled ball bearing, pivot assembly bearing including the ball bearing, and hard disk drive including the pivot assembly bearing
JP2018009062A (ja) * 2016-07-11 2018-01-18 セイコーインスツル株式会社 グリース、転がり軸受、転がり軸受装置及び情報記録再生装置
KR20180006853A (ko) 2016-07-11 2018-01-19 세이코 인스트루 가부시키가이샤 그리스, 구름 베어링, 구름 베어링 장치 및 정보 기록 재생장치
CN107603696A (zh) * 2016-07-11 2018-01-19 精工电子有限公司 滑油、滚动轴承、滚动轴承装置以及信息记录再现装置
US10968954B2 (en) 2016-07-11 2021-04-06 Seiko Instruments Inc. Grease, antifriction bearing, antifriction bearing device, and information recording/reproducing device
CN107603696B (zh) * 2016-07-11 2021-09-28 精工电子有限公司 滑油、滚动轴承、滚动轴承装置以及信息记录再现装置
KR102334840B1 (ko) * 2016-07-11 2021-12-03 세이코 인스트루 가부시키가이샤 그리스, 구름 베어링, 구름 베어링 장치 및 정보 기록 재생장치
JP2018178085A (ja) * 2017-04-10 2018-11-15 ミネベアミツミ株式会社 グリース組成物および転がり軸受
WO2020059346A1 (ja) * 2018-09-21 2020-03-26 ミネベアミツミ株式会社 グリース組成物を用いた転がり軸受

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