WO2017202404A1 - Palier à roulement pour utilisations avec des charges hautes et basses alternées - Google Patents

Palier à roulement pour utilisations avec des charges hautes et basses alternées Download PDF

Info

Publication number
WO2017202404A1
WO2017202404A1 PCT/DE2017/100236 DE2017100236W WO2017202404A1 WO 2017202404 A1 WO2017202404 A1 WO 2017202404A1 DE 2017100236 W DE2017100236 W DE 2017100236W WO 2017202404 A1 WO2017202404 A1 WO 2017202404A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
rolling
diameter
rolling elements
larger
Prior art date
Application number
PCT/DE2017/100236
Other languages
German (de)
English (en)
Inventor
Christoph NEUFELD
Michael Plogmann
Wolfgang Braun
Vasilios Bakolas
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112017002626.1T priority Critical patent/DE112017002626A5/de
Publication of WO2017202404A1 publication Critical patent/WO2017202404A1/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
    • F16C33/34—Rollers; Needles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C14/00—Alloys based on titanium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • 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
    • F16C19/50—Other types of ball or roller bearings
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • 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
    • F16C33/303—Parts of ball or roller bearings of hybrid bearings, e.g. rolling bearings with steel races and ceramic rolling elements
    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/02—Arrangements for equalising the load on a plurality of bearings or their elements
    • 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
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • 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
    • F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
    • 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
    • F16C2202/02—Mechanical properties
    • F16C2202/04—Hardness
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/52—Alloys based on nickel, e.g. Inconel
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/50—Crowning, e.g. crowning height or crowning radius
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/70—Diameters; Radii
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means

Definitions

  • the invention relates to a rolling bearing with a bearing outer ring and a coaxial arranged therein bearing inner ring, the bearing outer ring an outer ring raceway and the bearing inner ring having an inner ring raceway, wherein between the bearing outer ring and the bearing inner ring rolling elements are arranged, which roll on the outer ring raceway and the inner ring raceway, and in which at least one of the rolling elements has a larger diameter and a lower modulus of elasticity than the remaining, smaller-diameter rolling elements.
  • Such a rolling bearing in the form of a needle bearing is known from DE 2741 057 A1. It is a Nadeliager for moving in steering gears and manual transmissions of motor vehicles.
  • This needle bearing is radially prestressed, in that, according to one embodiment, it is provided with at least one, preferably several, elastically deformable rolling elements distributed over the circumference of the rolling bearing whose diameter is greater than that of the other rolling elements, wherein the elastic deformable rolling elements may consist of plastic or thin-walled, hollow steel bodies.
  • These rolling elements with a larger diameter than the other rolling elements are used to eliminate the bearing play inherent in such roller bearings at low radial load, without biasing the rolling bearing so much that its life is impaired at high radial load.
  • the rolling elements with the higher modulus of elasticity can consist of a technical ceramic material such as silicon nitride, including sialons, silicon carbide and alumina or cermets, such as sintered hard metals.
  • These Wälzköper should all have the same diameter and are not intended to give the roller bearing an internal bias, but to compress the protruding parts when rolling over depressions in the rolling bearing rings, thereby avoiding early fatigue and cracking of the bearing and stronger vibration and a loud run of the bearing should not arise.
  • the invention has the object, a rolling bearing for applications with changing, very high loads and very low loads, for example, for rolling bearings in wind turbines or Biegeeinstellwalzen in paper machines, imagine that with a radial bias at very low - Run loads loads by the WälzSystemschlupf is reduced in the rolling bearing.
  • all rolling elements should largely share in the load bearing capacity of the rolling bearing to a large extent.
  • the rolling bearing has a bearing outer ring and a bearing inner ring arranged coaxially therein, wherein the bearing outer ring has an outer ring raceway and the bearing inner ring has an inner ring raceway.
  • Rolling elements are arranged between the bearing outer ring and the bearing inner ring, which roll on the outer ring raceway and the inner ring raceway. At least one of the rolling elements has a larger diameter and a lower modulus of elasticity than the other, diameter-reduced rolling elements.
  • the smaller-diameter rolling elements consist of a rolling bearing steel.
  • the at least one, larger diameter rolling elements of a ceramic material or a cemented carbide sintered or from a powder metallurgy produced material having a modulus of elasticity between 80 GPa and 120 GPa.
  • the stated object is also achieved by a rolling bearing with the features of claim 2, wherein the at least one, larger diameter rolling elements consists of a rolling bearing steel.
  • a rolling bearing with a bearing outer ring and with a coaxially arranged therein La * gerinnenring, the bearing outer ring an outer ring raceway and the bearing inner ring have an inner ring raceway, wherein between the bearing outer ring and the bearing inner ring rolling elements are arranged, soft on the Rolling outer ring raceway and the inner ring raceway, and in which at least one of the rolling elements has a larger diameter and a lower modulus of elasticity than the other, smaller-diameter rolling elements.
  • the at least one larger diameter Wäiz redesign consists of a Wälzlager- steel, and that the remaining, diameter-serially rolling elements consist of a ceramic material or a cemented carbide sintered with a modulus of more than 230 GPa.
  • the diameter and the modulus of elasticity of the at least one rolling element of larger diameter are selected so that a bearing preload is applied during operation with low loads, which reduces or reduces the slip of the relatively small rolling elements in the rolling bearing completely eliminated by the at least one, larger-diameter rolling elements driving the Wälz stresses- set formed by all rolling elements in the rolling bearing and keeps at kinematic speed, and that the diameter, the modulus of elasticity and the profiling of at least one, larger diameter rolling elements are coordinated so that no overloading and premature fatigue of the at least one diameter larger rolling element occurs even at high loads occurring.
  • the invention proposes to reduce the slip in the rolling bearing by a bearing preload, for the production of which a combination of different rolling element diameter and rolling element materials with high strength is used.
  • This technical solution means that a maximum high bearing capacity of the rolling bearing is achieved when the rolling bearing is exposed to very high loads. at At low loads, the larger diameter rolling elements drive the smaller diameter rolling elements.
  • a particular advantage of the invention is the fact that it can be applied to all bearing types, in particular cylindrical roller bearings, spherical roller bearings and ball bearings.
  • all types of rolling elements can be manufactured from solid materials, so that similar finishing processes can be used as with conventional rolling bearings.
  • the diameter and the modulus of elasticity of the at least one, larger-diameter rolling elements are selected so that in operation with low loads a bearing preload is given, which reduces the slip of the smaller-diameter rolling elements in the rolling bearing or completely eliminated by the at least a larger diameter rolling elements drives the rolling element formed by all rolling elements in the rolling bearing and keeps it at kinematic speed.
  • the diameter, the modulus of elasticity and the profiling of the at least one diameter-larger rolling element are coordinated so that no overloading and premature fatigue of the at least one diameter-larger rolling element occurs even at high loads occurring. The high strength of the rolling element material used contributes significantly to this.
  • the rolling bearing steel has a modulus of elasticity of 200 GPa to 230 GPa.
  • the rolling elements of a bearing steel are preferably made of a steel from the group of Steels 100Cr6, St4, 100CrMnSi6-4, M50, 32CrMoV13, Cronidur®, Cronitec® and case hardening steels.
  • the at least one, larger-diameter rolling elements made of a nickel-titanium alloy, if the smaller-diameter rolling elements consist of a bearing steel.
  • the nickel-titanium alloy NiTi60 is of particular advantage.
  • Such a nickel-titanium alloy has a modulus of elasticity of 80 GPa to 120 GPa.
  • the at least one, larger-diameter rolling elements have a profiling to prevent Kantentra- gene with greater deformation.
  • the bias of the bearing can be adjusted so that no external load on the rolling bearing whose rolling element has no or only a small WälzSystemsatzschlupf.
  • rolling bearings can be made with several larger diameter rolling elements evenly spaced by, for example, two, three, four, five or six larger diameter rolling elements are arranged between the rolling elements of normal diameter in the rolling bearing.
  • the roller bearing 1 shown by way of example is a ball bearing which has a bearing outer ring 2 with an outer ring raceway 3 and a bearing inner ring 4 with an inner ring raceway 5.
  • the twelve rolling elements 6, 7 are arranged in the illustrated embodiment, which roll on the raceways 3, 5 of the bearing rings 2, 4.
  • the twelve rolling bodies 6, 7 are accommodated in a common cage 8.
  • eight rolling elements 6 have a conventional ball bearing diameter and a common bearing clearance.
  • Four further rolling elements 7 obviously have a slightly larger diameter.
  • the larger-diameter rolling elements 7 are arranged uniformly distributed between the smaller diameter rolling elements 6, such that in each case two smaller-diameter rolling elements 6 are arranged between each two larger-diameter rolling elements 7. Since the larger-diameter rolling elements 7 have a slightly larger diameter than the other rolling elements 6, they generate a radial prestress in the rolling bearing 1. This bias causes the WälzMechsatz formed from all rolling elements 6, 7 without external load on the rolling bearing 1 has no or only a small WälzSystemsatzschlupf. If a ceramic material or cemented carbide is selected for the material of the eight rolling elements 6 with the usual diameter and the usual bearing play, the larger diameter rolling elements 7 can consist of a bearing steel, for example of the bearing steel 100Cr6.
  • this bearing steel has a modulus of elasticity of about 210 GPa and the ceramic material or sintered cemented carbide material has a modulus of elasticity of at least 230 GPa
  • the larger diameter rolling elements 7 deform at a load bearing so that then also the smaller diameter rolling elements 6 come into play , in contrast to the known from DE 27 41 057 A1 needle roller bearings then bear all rolling elements 6, 7 with largely the same proportion acting on the bearing 1 load. In the unloaded state of the rolling bearing 1, no slip of the rolling element set can occur.
  • the smaller diameter rolling elements 6, ie those with the usual diameter and the usual bearing clearance, from a bearing steel, for example bearing steel 100Cr6, can be used for the larger diameter rolling elements?
  • a metal alloy or a powder metallurgically produced material having a lower modulus of elasticity than that of bearing steel can be used.
  • the pulp metallurgically produced material for the larger-diameter rolling bodies 7 may be the nickel-titanium alloy ⁇ 60, which may have a modulus of elasticity of 80 GPa to 120 GPa.
  • the diameter of the larger diameter rolling elements 7 can be chosen so that in operation with low loads a bearing preload is given, which reduces the slip of the smaller diameter rolling elements 6 in the rolling bearing 1 or completely eliminated by the larger diameter rolling elements 7 by all rolling elements , 7 Rolling body set formed in the rolling bearing 1 on the cage 8 antreib- and keep it at kinematic speed. Even with the highest occurring loads, the proposed structure will not cause any overloading and premature fatigue of the larger diameter rolling elements 7, because these consist of a high-strength material and at the same time enable a high bearing capacity of the entire rolling bearing. Since the larger-diameter rolling bodies 7 neither consist of a plastic nor are formed as hollow bodies, they too, like the smaller-diameter rolling bodies 6, carry the load acting on the roller bearing 1 with at least substantially equal proportion.
  • At least the larger diameter rolling elements 7 may have suitable profiling to prevent edge bearing thereof at high deformation, thereby avoiding overloading of the larger diameter rolling elements 7 even at the highest occurring loads with associated premature fatigue.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne un palier à roulement (1) comportant une bague extérieure de roulement (2) et une bague intérieure de roulement (4) montée coaxialement dedans, la bague extérieure de roulement (2) présentant une voie de roulement de bague extérieure (3) et la bague intérieure de roulement (4) présentant une voie de roulement de bague intérieure (5), des corps de roulement (6, 7) étant disposés entre la bague extérieure de roulement (2) et la bague intérieure de roulement (4), lesdits corps de roulement (6, 7) roulant sur la voie de roulement de la bague extérieure (3) et la voie de roulement de la bague intérieure (5). Selon l'invention, au moins un des corps de roulement (7) présente un diamètre plus important ainsi qu'un module d'élasticité plus bas que les autres corps de roulement (6) au diamètre plus petit. L'invention vise à mettre au point un palier de roulement de ce type pour des utilisations avec des charges hautes et plus basses alternées, palier de roulement devant par ailleurs présenter une capacité de charge supérieure à celle d'un palier de roulement connu. A cet effet, selon un premier mode de réalisation portant sur un corps de roulement (6) de diamètre réduit se composant d'acier pour roulements, ledit au moins un corps de roulement (7) au diamètre plus important se compose d'un matériau céramique ou d'un carbure fritté ou bien d'un matériau produit par métallurgie des poudres, ledit matériau présentant un module d'élasticité compris entre 80 et 120 GPa.
PCT/DE2017/100236 2016-05-25 2017-03-23 Palier à roulement pour utilisations avec des charges hautes et basses alternées WO2017202404A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112017002626.1T DE112017002626A5 (de) 2016-05-25 2017-03-23 Wälzlager für anwendungen mit wechselnden hohen und niedrigen lasten

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016209056.9 2016-05-25
DE102016209056 2016-05-25

Publications (1)

Publication Number Publication Date
WO2017202404A1 true WO2017202404A1 (fr) 2017-11-30

Family

ID=58640653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100236 WO2017202404A1 (fr) 2016-05-25 2017-03-23 Palier à roulement pour utilisations avec des charges hautes et basses alternées

Country Status (2)

Country Link
DE (1) DE112017002626A5 (fr)
WO (1) WO2017202404A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680934A (en) * 1969-09-20 1972-08-01 Maschf Augsburg Nuernberg Ag High speed roller bearing
DE2741057A1 (de) 1977-09-13 1979-03-15 Zahnradfabrik Friedrichshafen Vorrichtung zum lagern von wellen in kraftfahrzeuglenkgetriebe
DE3332450A1 (de) * 1982-09-16 1984-03-22 The Torrington Co., 06790 Torrington, Conn. Rollenlager
JP2001065557A (ja) * 1999-08-26 2001-03-16 Koyo Seiko Co Ltd ころ軸受
DE69518488T2 (de) 1994-11-09 2001-04-19 Skf Eng & Res Centre Bv Wälzlager mit verbesserten Verschleisseigenschaften
US6886986B1 (en) * 1999-08-19 2005-05-03 Nitinol Technologies, Inc. Nitinol ball bearing element and process for making
JP2006200571A (ja) * 2005-01-18 2006-08-03 Nsk Ltd 総転動体軸受
DE102006055028A1 (de) * 2006-11-22 2008-05-29 Schaeffler Kg Radialwälzlager, insbesondere zur Lagerung von Wellen in Windkraftgetrieben
DE102013217517A1 (de) * 2013-09-03 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Wälzlager und Wälzkörper zum Abbau elektrischer Potentiale

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680934A (en) * 1969-09-20 1972-08-01 Maschf Augsburg Nuernberg Ag High speed roller bearing
DE2741057A1 (de) 1977-09-13 1979-03-15 Zahnradfabrik Friedrichshafen Vorrichtung zum lagern von wellen in kraftfahrzeuglenkgetriebe
DE3332450A1 (de) * 1982-09-16 1984-03-22 The Torrington Co., 06790 Torrington, Conn. Rollenlager
DE69518488T2 (de) 1994-11-09 2001-04-19 Skf Eng & Res Centre Bv Wälzlager mit verbesserten Verschleisseigenschaften
US6886986B1 (en) * 1999-08-19 2005-05-03 Nitinol Technologies, Inc. Nitinol ball bearing element and process for making
JP2001065557A (ja) * 1999-08-26 2001-03-16 Koyo Seiko Co Ltd ころ軸受
JP2006200571A (ja) * 2005-01-18 2006-08-03 Nsk Ltd 総転動体軸受
DE102006055028A1 (de) * 2006-11-22 2008-05-29 Schaeffler Kg Radialwälzlager, insbesondere zur Lagerung von Wellen in Windkraftgetrieben
DE102013217517A1 (de) * 2013-09-03 2015-03-05 Schaeffler Technologies Gmbh & Co. Kg Wälzlager und Wälzkörper zum Abbau elektrischer Potentiale

Also Published As

Publication number Publication date
DE112017002626A5 (de) 2019-04-11

Similar Documents

Publication Publication Date Title
EP2721313B1 (fr) Palier lisse
WO2006119738A1 (fr) Roulement a galets coniques a quatre rangees
EP1853829A1 (fr) Roulement libre haute vitesse destine, en particulier, a loger la broche principale d'une machine-outil
WO2008061507A1 (fr) Palier à roulement radial, notamment pour le logement d'arbres dans des mécanismes moteurs à vent
DE102009035750A1 (de) Einlagerkonstruktion sowie Windkraftanlage mit der Einlagerkonstruktion
EP2094983B1 (fr) Palier à roulement, notamment pour le logement d'arbres dans des mécanismes moteurs à vent
DE102004047881A1 (de) Pendelrollenlager
DE112007001838T5 (de) Doppelreihige Kegelrollenlagereinheit
DE3027263C2 (de) Lagerung von Zapfen in Gabelaugen von Kreuzgelenken mittels eines Zylinderrollenlagers
WO2006042639A1 (fr) Palier annulaire mince
EP2551538A1 (fr) Palier radial pour roue libre d'une boîte de vitesse de véhicule automobile
WO2010028633A1 (fr) Grand palier de roulement à plusieurs rangées doté d’une bague extérieure en plusieurs parties
DE102007033905A1 (de) Vollkugeliges Schrägkugellager
DE102013215837A1 (de) Wälzlager
WO2009059585A2 (fr) Montage d'une roue planétaire pour optimiser la répartition des charges
DE102014219705B4 (de) Lagerring
DE102019130286A1 (de) Dichthülse mit kombinierten Axiallagermitteln für eine Druckmittel-Drehdurchführung
DE102005033356A1 (de) Radialwälzlager, insbesondere zur Lagerung gering belasteter Wellen in Schwermaschinen
WO2017202404A1 (fr) Palier à roulement pour utilisations avec des charges hautes et basses alternées
DE102008016798B4 (de) Wälzlager sowie Lenkgetriebe mit einem derartigen Wälzlager
DE3940925C2 (fr)
DE102009020988A1 (de) Lageranordnung mit Lagerelementen unterschiedlicher Profilierung
DE2922625A1 (de) Waelzlager fuer laengsbewegungen
EP2598762B1 (fr) Ensemble palier et transmission
DE212012000135U1 (de) Rollenlager

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17719992

Country of ref document: EP

Kind code of ref document: A1

REG Reference to national code

Ref country code: DE

Ref legal event code: R225

Ref document number: 112017002626

Country of ref document: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17719992

Country of ref document: EP

Kind code of ref document: A1