WO2008105377A1 - Graisse pour palier haute vitesse et palier de roulement pour haute vitesse - Google Patents

Graisse pour palier haute vitesse et palier de roulement pour haute vitesse Download PDF

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Publication number
WO2008105377A1
WO2008105377A1 PCT/JP2008/053222 JP2008053222W WO2008105377A1 WO 2008105377 A1 WO2008105377 A1 WO 2008105377A1 JP 2008053222 W JP2008053222 W JP 2008053222W WO 2008105377 A1 WO2008105377 A1 WO 2008105377A1
Authority
WO
WIPO (PCT)
Prior art keywords
grease
speed
bearing
rolling bearing
monoamines
Prior art date
Application number
PCT/JP2008/053222
Other languages
English (en)
Japanese (ja)
Inventor
Takayuki Kawamura
Hidenobu Mikami
Kenji Tamada
Original Assignee
Ntn Corporation
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
Priority claimed from JP2007134671A external-priority patent/JP2008286373A/ja
Priority claimed from JP2007184881A external-priority patent/JP2009019750A/ja
Priority claimed from JP2007198455A external-priority patent/JP2009036222A/ja
Priority claimed from JP2007293889A external-priority patent/JP2009121532A/ja
Priority claimed from JP2008037559A external-priority patent/JP5571874B2/ja
Application filed by Ntn Corporation filed Critical Ntn Corporation
Priority to DE112008000540.0T priority Critical patent/DE112008000540B4/de
Priority to KR1020147033319A priority patent/KR101553192B1/ko
Priority to KR1020097020107A priority patent/KR101513743B1/ko
Priority to CN200880006121.XA priority patent/CN101622333B/zh
Publication of WO2008105377A1 publication Critical patent/WO2008105377A1/fr

Links

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
    • 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
    • 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
    • C10M123/00—Lubricating compositions characterised by the thickener being a mixture of two or more compounds covered by more than one of the main groups C10M113/00 - C10M121/00, each of these compounds being essential
    • C10M123/02—Lubricating compositions characterised by the thickener being a mixture of two or more compounds covered by more than one of the main groups C10M113/00 - C10M121/00, each of these compounds being essential at least one of them being a non-macromolecular compound
    • 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
    • C10M169/02—Mixtures of base-materials and thickeners
    • 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
    • F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
    • 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
    • C10M2203/02—Well-defined aliphatic compounds
    • C10M2203/0206—Well-defined aliphatic 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
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/0406—Ethers; Acetals; Ortho-esters; Ortho-carbonates 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/106—Carboxylix acids; Neutral salts 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/142—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic
    • C10M2207/1426—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings polycarboxylic used as thickening agent
    • 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
    • C10M2207/2805—Esters 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
    • C10M2215/10—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
    • 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
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Semi-solids; greasy
    • 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
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • 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
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/60—Oil repelling
    • 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
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/66—Water repelling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

L'invention porte sur une graisse pour un palier haute vitesse et sur un palier de roulement pour haute vitesse qui permettent de faire face de façon satisfaisante à une rotation haute vitesse de valeur dmN de 170x104 ou plus et permettent de rendre compact l'outil de machine et de diminuer les coûts de fonctionnement. La graisse est une graisse comprenant un mélange de graisse d'urée contenant un composé urée en tant qu'épaississant et une graisse non urée ne contenant pas le composé urée, le composé urée étant un composé obtenu par réaction entre un composant polyisocyanate et un composant monoamine, le composant monoamine contenant 50% en moles ou plus d'au moins une monoamine choisie parmi les monoamines aliphatiques et les monoamines alicycliques sur la base de toutes les monoamines. Un palier de roulement pour haute vitesse (1) est un palier de roulement comprenant une bague interne (2), une bague externe (3), plusieurs éléments de roulement (4) interposés entre la bague interne (2) et la bague externe (3) et un élément d'étanchéité (6), la graisse ci-dessus (8) est introduite hermétiquement autour des éléments de roulement (4).
PCT/JP2008/053222 2007-02-26 2008-02-26 Graisse pour palier haute vitesse et palier de roulement pour haute vitesse WO2008105377A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112008000540.0T DE112008000540B4 (de) 2007-02-26 2008-02-26 Schmierfett für Hochgeschwindigkeitslager, Wälzlager für hohe Geschwindigkeit und Verwendung des Wälzlagers
KR1020147033319A KR101553192B1 (ko) 2007-02-26 2008-02-26 고속용 구름 베어링
KR1020097020107A KR101513743B1 (ko) 2007-02-26 2008-02-26 고속 베어링용 그리스 및 고속용 구름 베어링
CN200880006121.XA CN101622333B (zh) 2007-02-26 2008-02-26 高速轴承用润滑脂及高速用滚动轴承

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP2007046264 2007-02-26
JP2007-046264 2007-02-26
JP2007-134671 2007-05-21
JP2007134671A JP2008286373A (ja) 2007-05-21 2007-05-21 高速用転がり軸受
JP2007-184881 2007-07-13
JP2007184881A JP2009019750A (ja) 2007-07-13 2007-07-13 高速用転がり軸受
JP2007-198455 2007-07-31
JP2007198455A JP2009036222A (ja) 2007-07-31 2007-07-31 高速用転がり軸受
JP2007-293889 2007-11-13
JP2007293889A JP2009121532A (ja) 2007-11-13 2007-11-13 高速用転がり軸受
JP2008037559A JP5571874B2 (ja) 2007-02-26 2008-02-19 高速軸受用グリース
JP2008-037559 2008-02-19

Publications (1)

Publication Number Publication Date
WO2008105377A1 true WO2008105377A1 (fr) 2008-09-04

Family

ID=39721209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053222 WO2008105377A1 (fr) 2007-02-26 2008-02-26 Graisse pour palier haute vitesse et palier de roulement pour haute vitesse

Country Status (1)

Country Link
WO (1) WO2008105377A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570308A (zh) * 2014-10-31 2016-05-11 斯凯孚公司 含塑料的自润滑的轴承保持架
WO2021085100A1 (fr) * 2019-10-31 2021-05-06 ミネベアミツミ株式会社 Composition de graisse à faible teneur en poussière pour une rotation à grande vitesse, et palier la contenant
CN114364895A (zh) * 2019-07-17 2022-04-15 斯凯孚公司 密封轴承组件
CN115059612A (zh) * 2022-08-19 2022-09-16 苏州瑞驱电动科技有限公司 一种耐高温水气低功耗燃料电池氢气循环泵
WO2022210531A1 (fr) * 2021-03-30 2022-10-06 Ntn株式会社 Palier à roulement étanche

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510111A (en) * 1978-07-04 1980-01-24 Nippon Seiko Kk Roller bearing for preventing electrolytic corrosion
JPH06330392A (ja) * 1993-05-26 1994-11-29 Nippon Parkerizing Co Ltd 耐摩耗性および摺動性にすぐれた複合めっき金属材料、およびその製造方法
JP2002265970A (ja) * 2001-03-14 2002-09-18 Koyo Seiko Co Ltd グリース組成物およびそのグリース組成物で潤滑した転がり軸受
JP2002327757A (ja) * 2001-04-27 2002-11-15 Ntn Corp 軸受の給油機構
JP2003193080A (ja) * 2001-10-16 2003-07-09 Nsk Ltd 転がり軸受用グリース組成物及び転がり軸受
JP2003239997A (ja) * 2002-02-18 2003-08-27 Nsk Ltd 電磁クラッチ用、コンプレッサー用及びアイドラプーリ用転がり軸受
JP2004083798A (ja) * 2002-08-28 2004-03-18 Nsk Ltd グリース組成物及び転動装置
JP2004083797A (ja) * 2002-08-28 2004-03-18 Nsk Ltd グリース組成物及び転動装置
JP2004190688A (ja) * 2002-12-06 2004-07-08 Nsk Ltd 燃料電池用転がり軸受、燃料電池システム用圧送機及び燃料電池システム
JP2005344935A (ja) * 2005-07-29 2005-12-15 Nsk Ltd 潤滑剤の保持方法
JP2006242246A (ja) * 2005-03-02 2006-09-14 Nsk Ltd 転がり軸受
JP2006265343A (ja) * 2005-03-23 2006-10-05 Nsk Ltd 転がり軸受
JP2006306275A (ja) * 2005-04-28 2006-11-09 Jtekt Corp 潤滑グリース組成物を用いた転動装置およびこの転動装置を用いた電動パワーステアリング装置

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510111A (en) * 1978-07-04 1980-01-24 Nippon Seiko Kk Roller bearing for preventing electrolytic corrosion
JPH06330392A (ja) * 1993-05-26 1994-11-29 Nippon Parkerizing Co Ltd 耐摩耗性および摺動性にすぐれた複合めっき金属材料、およびその製造方法
JP2002265970A (ja) * 2001-03-14 2002-09-18 Koyo Seiko Co Ltd グリース組成物およびそのグリース組成物で潤滑した転がり軸受
JP2002327757A (ja) * 2001-04-27 2002-11-15 Ntn Corp 軸受の給油機構
JP2003193080A (ja) * 2001-10-16 2003-07-09 Nsk Ltd 転がり軸受用グリース組成物及び転がり軸受
JP2003239997A (ja) * 2002-02-18 2003-08-27 Nsk Ltd 電磁クラッチ用、コンプレッサー用及びアイドラプーリ用転がり軸受
JP2004083798A (ja) * 2002-08-28 2004-03-18 Nsk Ltd グリース組成物及び転動装置
JP2004083797A (ja) * 2002-08-28 2004-03-18 Nsk Ltd グリース組成物及び転動装置
JP2004190688A (ja) * 2002-12-06 2004-07-08 Nsk Ltd 燃料電池用転がり軸受、燃料電池システム用圧送機及び燃料電池システム
JP2006242246A (ja) * 2005-03-02 2006-09-14 Nsk Ltd 転がり軸受
JP2006265343A (ja) * 2005-03-23 2006-10-05 Nsk Ltd 転がり軸受
JP2006306275A (ja) * 2005-04-28 2006-11-09 Jtekt Corp 潤滑グリース組成物を用いた転動装置およびこの転動装置を用いた電動パワーステアリング装置
JP2005344935A (ja) * 2005-07-29 2005-12-15 Nsk Ltd 潤滑剤の保持方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570308A (zh) * 2014-10-31 2016-05-11 斯凯孚公司 含塑料的自润滑的轴承保持架
CN114364895A (zh) * 2019-07-17 2022-04-15 斯凯孚公司 密封轴承组件
WO2021085100A1 (fr) * 2019-10-31 2021-05-06 ミネベアミツミ株式会社 Composition de graisse à faible teneur en poussière pour une rotation à grande vitesse, et palier la contenant
CN114585714A (zh) * 2019-10-31 2022-06-03 美蓓亚三美株式会社 低发尘高速旋转用润滑脂组合物及封入有该润滑脂组合物的轴承
WO2022210531A1 (fr) * 2021-03-30 2022-10-06 Ntn株式会社 Palier à roulement étanche
CN115059612A (zh) * 2022-08-19 2022-09-16 苏州瑞驱电动科技有限公司 一种耐高温水气低功耗燃料电池氢气循环泵
CN115059612B (zh) * 2022-08-19 2022-11-22 苏州瑞驱电动科技有限公司 一种耐高温水气低功耗燃料电池氢气循环泵

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