EP2473748A1 - Cage pour un palier de roulement et palier de roulement - Google Patents

Cage pour un palier de roulement et palier de roulement

Info

Publication number
EP2473748A1
EP2473748A1 EP10757400A EP10757400A EP2473748A1 EP 2473748 A1 EP2473748 A1 EP 2473748A1 EP 10757400 A EP10757400 A EP 10757400A EP 10757400 A EP10757400 A EP 10757400A EP 2473748 A1 EP2473748 A1 EP 2473748A1
Authority
EP
European Patent Office
Prior art keywords
cage
bearing
side ring
ring
cage side
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.)
Withdrawn
Application number
EP10757400A
Other languages
German (de)
English (en)
Inventor
Wolfram Henneberger
Bernhard Wilm
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP2473748A1 publication Critical patent/EP2473748A1/fr
Withdrawn legal-status Critical Current

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
    • F16C33/46—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
    • 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
    • F16C19/34—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 for both radial and axial load
    • F16C19/36—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 for both radial and axial load with a single row of rollers
    • F16C19/364—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 for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • 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
    • F16C33/4682—Details of individual pockets, e.g. shape or roller retaining means of the end walls, e.g. interaction with the end faces 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned

Definitions

  • the invention relates to a cage for a rolling bearing.
  • the invention further relates to a rolling bearing with such a cage.
  • Cages for rolling bearings are well known. They form in this type of bearings in addition to bearing rings, radially supporting bearings in detail an inner ring and an outer ring, and a plurality of rolling elements, which are arranged between the two bearing rings, a part of conventional bearings.
  • Such rolling bearings are used depending on the design of the transmission of radial and / or axial forces of a bearing inner ring, which may be arranged, for example on a rotating shaft relative to a housing, on an outer ring which is arranged in this case in the housing and fixed there.
  • the rolling elements are formed for example in the form of cylindrical rollers, barrel rollers or tapered rollers.
  • the bearing rings may have one or two guide rims in order to ensure axial guidance of the rolling bodies.
  • the rolling elements then run in operation in axial load of the shaft and / or employee in stock arrangement against the rims, creating a sliding contact on the inboard surface.
  • the cage in a rolling bearing serves the purpose of guiding the rolling elements during operation of the rolling bearing, for example, by ensuring a uniform distance of the rolling elements from each other along the bearing circumference and possible mutual contact of the individual Wälz- body is prevented with each other. Cages for rolling bearings experienced during operation of the bearing movement in the circumferential direction of the bearing and can be performed in the rolling bearing through the bearing inner ring, the bearing outer ring and / or by the rolling elements themselves.
  • the cage for a roller bearing may be formed, for example, with pockets for receiving rolling elements. These pockets can be formed by webs of suitable cross-section, which extend between two coaxially arranged cage side rings and come to lie in each case between two rolling elements after the assembly of the rolling bearing.
  • a cage of this type for a tapered roller bearing is described in US 3 477 773 A.
  • the rolling elements are arranged with a more or less large clearance with respect to the pockets in which they are received.
  • Rolling bearings exist depending on the application in a variety of configurations. Tapered roller bearings are particularly well suited for combined axial and radial loads. They are usually installed in pairs, with the two tapered roller bearings are set against each other. The problem underlying the present invention will be briefly explained below with reference to the example of a tapered roller bearing, but without limiting the invention to that effect.
  • the rolling elements designed as tapered rollers can be removed from the bearing ring board, for example the inner ring board, by the transition from a load zone into a relieved zone.
  • the tapered Roll When re-immersing a tapered roller from the relief zone into the load zone, the tapered Roll on the inclined surface back towards the bearing ring board until it rests against it again.
  • the object of the present invention is to provide a bearing with respect to its improved rolling bearing with cage. This object is achieved by a cage according to the invention for a roller bearing according to claim 1 and by an inventive rolling bearing according to claim 14.
  • a cage for a rolling bearing with a first cage side ring, and with a plurality of webs, which are each arranged projecting from the first cage side ring and spaced from each other so that thereby pockets for receiving rolling elements are formed, wherein the first cage side ring in each case one Bag has an elastically deformable portion which is formed as a arranged between two adjacent webs multiple bridge.
  • a rolling bearing in particular a tapered roller bearing, with at least one cage according to the invention.
  • the idea of the present invention is to form a cage side ring in the region of its pockets, which are provided for receiving rolling elements of a roller bearing, in the form of multiple bridges.
  • a high elasticity of the side edge of the respective pocket is achieved.
  • a rolling element accommodated in the pocket which bears against the first cage side ring, causes an elastic deformation of the multiple bridge structure of the side edge of the pocket when an axial force is applied to the rolling element. In this way, a biasing force can be exerted on the rolling elements by the elastic spring action of the side edge.
  • the multiple bridge is formed symmetrically with respect to the radially extending center plane of the pocket. This ensures that the elastic deformation of the multiple bridge also takes place symmetrically. In addition, can be achieved in this way that neither of the two possible directions of a rolling bearing in view of the mechanical strength of the cage and its biasing action over the other direction is preferred.
  • the multiple bridge is formed by at least two arcuate, elastically formed sections of the first cage side ring.
  • the subsections are arranged in such a way that a respective curvature points away from an inner region of the pocket delimited by two adjacent webs and the first cage side ring.
  • the multiple bridge is formed as a double bridge, which is formed by two arcuate, elastically formed sections, which are interconnected in a connecting region.
  • a wall thickness of the two arcuate, elastically formed sections preferably decreases starting from the connection area on both sides towards the webs first, then back to. In this way, a center region of each of the two arcuate, elastically formed sections of the first cage side ring receives a thinner, more easily elastically deformable wall.
  • the elastic spring action of the double bridge is further improved in this way.
  • a web is provided in the region of a radially inner and / or a radially outer boundary surface each with a recess extending in the longitudinal direction of the web.
  • This recess is formed in a further development in the form of a longitudinal groove provided in a web.
  • a groove bottom of the longitudinal groove is advantageously provided with a rounding.
  • the longitudinal groove may have a cross section in the shape of a circle segment, which also results in a rounded groove bottom.
  • the design as a longitudinal groove is advantageous, since so the resistance of the web against a bending stress in comparison to a web with a solid cross section is maintained to a very large extent. Due to the rounded design of the longitudinal grooves, an undesired concentration of mechanical stresses in the region of the groove bottom is furthermore avoided.
  • Conceivable of course, would be another cross-sectional shape of the groove, such as a rectangular or trapezoidal profile with rounded corners, or a parabolic profile.
  • two extending in the longitudinal direction of the web recess and extending symmetrically shaped with respect to the recess ribs are formed in the longitudinal direction of the web.
  • Each of the ribs is in this case connected to an end portion of an adjacent multiple bridge.
  • a second cage side ring is provided. The second cage side ring is spaced from the first cage side ring and connected to the first cage side ring via the webs.
  • the first cage side ring has a smaller diameter than the second cage side ring.
  • Cages secured in this way are preferably used in tapered roller bearings, since the rolling surfaces for the rolling elements represent conical surfaces.
  • the second cage side ring on a plurality of radially extending projections.
  • These projections are designed such that they can be used in an assigned, provided on a Lagerringbord a rolling bearing groove.
  • each of the pockets is assigned a projection.
  • the each associated with a pocket projection is formed symmetrically with respect to the radially extending center plane of the pocket. This contributes to a more even support of the preload force on the bearing ring board and a more even force input into the second cage side ring.
  • the cage is made in one piece from a thermoplastic material, preferably made of a polyamide.
  • the injection molding of the cage is preferably used as the processing method.
  • one of the bearing rings has a bearing ring board.
  • a running in the circumferential direction of the bearing guide groove is provided.
  • the radially extending projections of a second cage side ring of the cage according to the invention comprise the bearing ring board such that the projections engage in the guide groove.
  • Fig. 2 is an illustration of three pockets of the invention
  • FIG. 1 shows a sectional view of an upper half of a cage 2 according to the invention for a tapered roller bearing, not shown here.
  • the lower half of the cage 2 is not shown here, since it is formed symmetrically to a cage axis A.
  • the cage axis A corresponds to an axial direction of the tapered roller bearing 1 to which the cage 2 is assigned.
  • the radial direction R with respect to the cage 2 corresponds to the radial direction of the tapered roller bearing 1.
  • the cutting plane is guided by the cage axis A.
  • the cage side rings 3, 17, are arranged coaxially.
  • the cage 2 shown in FIG. 1 has a first cage side ring 3 whose diameter is smaller than the diameter of the second cage side ring 17 here.
  • a plurality of webs 4 are arranged between the two cage side rings 3, 17 .
  • the webs 4 are from both cage side rings 3, 17 and are connected to the two cage side rings 3, 17 such that the webs 4 and the cage side rings 3, 17 form an integrally manufactured component.
  • Each of the webs 4 has an in the radial direction R inwardly and in the radial direction R outer boundary surface 13.
  • pockets 5 are formed, which are bounded on both sides in the axial direction A by the two cage side rings 3, 17.
  • Each of the pockets 5 is provided to receive a tapered roller 6 and for this purpose has a suitably shaped and dimensioned inner area 10.
  • the cage 2 can ensure that tapered rollers 6 of a tapered roller bearing 1 do not touch each other during operation and uniformly spaced over the bearing circumference roll on the bearing rings 21, 22.
  • the first cage side ring 3 delimits the inner region 10 of each pocket 5 on the left side and thus forms a left side edge of the pocket 5.
  • the first cage side ring 3 has an elastically deformable section 7.
  • the elastically deformable portion 7 is a part of the first cage side ring 3 and has the shape of a double bridge, which spans the distance between two adjacent webs 4.
  • a center plane M of the pocket 5 extending in the radial direction R can be defined.
  • FIG. 2 shows a representation of a three pockets 5 existing portion of the cage 2 according to the invention according to the embodiment of FIG. 1st
  • the median plane M of the pocket 5 shown furthest to the right is projecting in the illustration of FIG. 2.
  • the illustrated section plane contacts a conical surface in its sectional curve with the median plane M.
  • the double bridge is symmetrically shaped.
  • the double bridge is made of two in a circumferential direction U of the cage 2, which corresponds to a circumferential direction U of the tapered roller bearing 1, arranged side by side, arcuate, elastic formed subsections 8, 9 of the first cage side ring 3 constructed.
  • the two arcuate sections 8, 9 bulge away from the inner region 10 of the pocket 5, which is delimited by two adjacent webs 4 and the first cage side ring 3. This means that in the area of the side area of the double bridge facing the inner area 10 between two adjacent bars 4, two concave, rounded recesses 23 arranged next to one another are formed.
  • the two arcuate sections 8, 9 are connected to one another in a connecting region 1 1.
  • the inner area 10 facing side surface of the double bridge has in the connecting portion 1 1 on a flat surface portion 24, in which when using the cage in a tapered roller bearing in the pocket 5 recorded tapered roller rests in sliding contact.
  • a force acting in the axial direction on the adjacent tapered roller 6 causes the surface section 24 to be acted upon by this force and the connection region 1 1 to yield elastically due to the elastic deflection of the arcuate sections 8, 9.
  • each arcuate, elastically formed partial section 8, 9 of the first cage side ring 3 has a region of least wall thickness 12, which is arranged between the adjacent web 4 and the connecting region 11.
  • the design of the wall thickness 12 is shown in FIG. 2 using the example of the pocket 5 shown on the far right in a tangential section through the cage 2. In this way, the elasticity of the elastically deformable portion 7 is further improved.
  • the elastically deformable sections 7 designed as double bridges are provided in the region of each of the pockets 5 arranged along the cage circumference. In this way, all can be distributed along the bearing circumference. Tapered rollers 6 are resiliently biased.
  • Each of the webs 4 is provided in the region of its radially inner and its radially outer boundary surfaces 13, each with a recess 14.
  • the recess 14 extends in the form of a longitudinal groove 14 in the longitudinal direction of the web 4.
  • the cross section of each longitudinal groove 14 has the shape of a circle segment, resulting in a rounded groove bottom.
  • each of the ribs 15 is connected to an end portion 16 of an adjacent one Double bridge connected.
  • the second cage side ring 17 is provided along its circumference with a plurality of projections 18 which are integrally connected to the second cage side ring 17 at its axially outer surface, which faces away from the inner region 10 of the pockets 5.
  • the projections 18 project from the second cage side ring 17 and initially extend in the axial direction A away from the inner region 10 of the pockets 5 outwards, then in the radial direction R to the bearing axis and in the axial direction A to the second cage side ring 17.
  • the Jumps 18 formed in a hook shape such that they can be inserted into an associated, provided on an inner ring board 19 of a tapered roller bearing 1 groove 20.
  • Each of the pockets 5 provided along the circumference of the cage 2 is assigned a projection 18 on the second cage side ring 17. With respect to the radially extending center plane M of the pocket 5, the projection 18 is formed symmetrically, as shown in FIG. 2. The illustrated with reference to FIGS.
  • cage 2 for a tapered roller bearing 1 is made by injection molding of a mechanically sufficiently resilient and compared to the lubricants used for the lubrication of the tapered roller bearing lubricant thermoplastic.
  • the cage can be made in a simple and cost-effective manner, despite its special geometric design.
  • a tapered roller bearing 1 is shown with a cage 2 according to the invention in the assembled state.
  • the tapered roller bearing 1 has an inner ring 21 and an outer ring 22. Both the inner ring 21 and the outer ring 22 are each provided with a conical surface tread. Between the running surfaces of inner ring 21 and outer ring 22 tapered rollers 6 are arranged, which roll on the running surfaces during operation of the tapered roller bearing 1 and thus allow the transmission of axial and radial loads. While the outer ring 22 is designed without board, the inner ring 21 in the region of its large diameter on an inner ring board 19 with a guide groove 20.
  • a cage 2 which has a first cage side ring 3 and a second cage side ring 17.
  • the cage is also according to the embodiment of the cage according to the invention, as described in detail with reference to FIGS. 1 and 2, described in detail.
  • the dimension of the tapered roller 6 along its axis is chosen with respect to the inner dimensions of the inner region 10 of the pocket 5 of the cage 2 so that the tapered roller 6 in the assembled state of the tapered roller bearing 1, as shown in Fig. 3, on the flat surface portion 24 abuts.
  • the longitudinal dimension of the tapered roller is further chosen so that it is biased by an elastic deformation of the formed as a double bridge, elastically deformable portion 7 of the first cage side ring 3 against the inner ring board 19 after assembly of the tapered roller bearing 1.
  • the elastic deformation of the double bridge is in particular in a change in position of the connecting portion 1 1 substantially along the axis of the tapered roller 6 and a concomitant elastic bending of the two arcuate, elastically formed sections 8, 9.
  • the cage 2 is supported by means of the projections 18 in the axial direction on the inner ring board 19 from.
  • the invention is not based on the design of the side edge of the pockets explained above with reference to the exemplary embodiment of the cage as a two elastically formed, arcuate Operaab- cut of the first cage side ring formed double bridge limited.
  • a structure of the elastically deformable portion of the cage side ring in the region of a pocket of three or more arcuate, elastically formed sections is conceivable.
  • the cage from a metallic material, in particular from steel, wherein the cage side ring in the region of the pockets can again be designed in double or multiple bridge form.
  • the cage according to the invention is also not limited to use in a tapered roller bearing, but could also be used in other bearings such as cylindrical roller bearings.
  • the size ratios within the cage according to the invention can of course vary depending on the geometry of the respective rolling bearing, in particular the geometry of the running surfaces and the bearing ring rims, as well as in dependence on the dimensions of the rolling elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne une cage (2) pour un palier de roulement (1) avec une première bague latérale de cage (3), et plusieurs barrettes (4), qui sont disposées à chaque fois à partir de la première bague latérale de cage (3) et sont espacées les unes des autres de telle sorte que des poches (5) pour le logement de corps de roulement (6) sont formées ainsi, la première bague latérale de cage (3) présentant respectivement dans la zone d'une poche (5) une partie (7) déformable élastiquement qui est conçue sous forme d'un pont multiple disposé entre deux barrettes (4) voisines. L'invention concerne également un palier de roulement avec une cage de ce type.
EP10757400A 2009-09-03 2010-08-20 Cage pour un palier de roulement et palier de roulement Withdrawn EP2473748A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009040008A DE102009040008A1 (de) 2009-09-03 2009-09-03 Käfig für ein Wälzlager und Wälzlager
PCT/EP2010/062143 WO2011026737A1 (fr) 2009-09-03 2010-08-20 Cage pour un palier de roulement et palier de roulement

Publications (1)

Publication Number Publication Date
EP2473748A1 true EP2473748A1 (fr) 2012-07-11

Family

ID=43034664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10757400A Withdrawn EP2473748A1 (fr) 2009-09-03 2010-08-20 Cage pour un palier de roulement et palier de roulement

Country Status (5)

Country Link
US (1) US20120163748A1 (fr)
EP (1) EP2473748A1 (fr)
CN (1) CN102498305A (fr)
DE (1) DE102009040008A1 (fr)
WO (1) WO2011026737A1 (fr)

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US8926190B2 (en) 2010-12-27 2015-01-06 The Timken Company Segmented bearing retainer
DE102011004706A1 (de) * 2011-02-25 2012-08-30 Schaeffler Technologies Gmbh & Co. Kg Kegelrollenlager mit Käfig
EP2610508A1 (fr) * 2011-12-28 2013-07-03 Siemens Aktiengesellschaft Palier à contact de roulement
CN104334899B (zh) 2012-06-01 2016-09-28 迪姆肯公司 改进型分段轴承承托
FR3009046B1 (fr) * 2013-07-26 2016-01-01 Ntn Snr Roulements Cage de roulement a rouleaux coniques, notamment pour essieu ferroviaire et roulement associe
DE102014205051A1 (de) * 2014-03-19 2015-09-24 Schaeffler Technologies AG & Co. KG Wälzlagerkäfig für Kegelrollenlager
DE102014212075B4 (de) * 2014-06-24 2017-10-05 Aktiebolaget Skf Lagerkäfig für ein Kegelrollenlager
DE102014215066A1 (de) * 2014-07-31 2016-02-04 Aktiebolaget Skf Wälzlagerkäfig oder Wälzlagerkäfigsegment sowie Verfahren zum Herstellen eines Wälzlagerkäfigs oder eines Wälzlagerkäfigsegments
DE102014217168A1 (de) * 2014-08-28 2016-03-17 Schaeffler Technologies AG & Co. KG Nadellager mit einem Käfig und einer an dem Käfig gebildeten Haltenase
JP6728907B2 (ja) * 2016-04-06 2020-07-22 株式会社ジェイテクト 転がり軸受
DE102017221473A1 (de) 2016-12-13 2018-06-14 Aktiebolaget Skf Lagerkäfig, Wälzlager und Verfahren
DE102017114432A1 (de) * 2017-06-29 2019-01-03 Schaeffler Technologies AG & Co. KG Kegelrollenlager sowie Verfahren zur Montage des Kegelrollenlagers
DE102017125700A1 (de) * 2017-11-03 2019-05-09 Schaeffler Technologies AG & Co. KG Wälzlagerkäfig, Verfahren zur Herstellung eines Wälzlagerkäfigs und Verwendung eines Schiebers
DE102018203914A1 (de) * 2018-03-14 2019-09-19 Aktiebolaget Skf Lagerkäfig eines Rollenwälzlagers
DE102019200134A1 (de) * 2019-01-08 2020-07-09 Aktiebolaget Skf Wälzlagereinheit, Käfig und Montageverfahren
US10941811B1 (en) * 2020-01-14 2021-03-09 Schaeffler Technologies AG & Co. KG High-speed bearing

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Also Published As

Publication number Publication date
WO2011026737A1 (fr) 2011-03-10
DE102009040008A1 (de) 2011-03-10
CN102498305A (zh) 2012-06-13
US20120163748A1 (en) 2012-06-28

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