WO2011080961A1 - Cage divisée pour roulement à rouleaux conique - Google Patents

Cage divisée pour roulement à rouleaux conique Download PDF

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Publication number
WO2011080961A1
WO2011080961A1 PCT/JP2010/069398 JP2010069398W WO2011080961A1 WO 2011080961 A1 WO2011080961 A1 WO 2011080961A1 JP 2010069398 W JP2010069398 W JP 2010069398W WO 2011080961 A1 WO2011080961 A1 WO 2011080961A1
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WO
WIPO (PCT)
Prior art keywords
cage
segment
segments
wire
side edge
Prior art date
Application number
PCT/JP2010/069398
Other languages
English (en)
Japanese (ja)
Inventor
真裕 山田
征也 高馬
史宏 村上
Original Assignee
Ntn株式会社
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 Ntn株式会社 filed Critical Ntn株式会社
Publication of WO2011080961A1 publication Critical patent/WO2011080961A1/fr

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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
    • 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
    • F16C33/4611—Cages for rollers or needles with hybrid structure, i.e. with parts made of distinct materials
    • 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
    • F16C33/50—Cages for rollers or needles formed of interconnected members, e.g. chains
    • F16C33/508—Cages for rollers or needles formed of interconnected members, e.g. chains formed of links having an H-shape, i.e. links with a single stay placed between two rollers and with two end portions extending along the end faces of the two 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 present invention relates to a roller cage in a tapered roller bearing, particularly to a split type cage.
  • the tapered roller bearing includes an inner ring, an outer ring arranged concentrically on the outer periphery thereof, a tapered roller interposed between the inner ring and the outer ring, and a cage that holds the rollers at regular intervals in the circumferential direction.
  • the retainer is provided with a large number of axial pillars between the large-diameter side edge and the small-diameter side edge arranged coaxially, and pockets are formed between the pillars.
  • This cage is generally formed of an iron plate press-molded product, a machined product, or a resin molded product.
  • an object of the present invention is to provide a split-type cage that is useful for cost reduction without causing the above-described problems when the cage is manufactured or assembled.
  • a segment row is formed by inserting a common wire into all the cage segments.
  • the segment row is formed in an annular shape by directly or indirectly connecting the ends of the wire to the wire.
  • the cage segments constituting the split cage are coupled by the wires inserted through all the cage segments, so that the cage segments are dispersed, so-called “unevenness” is prevented. Can do.
  • FIG. 1 is a cross-sectional view of Embodiment 1.
  • FIG. It is a partially-omission perspective view of the same segment row. It is a partially expanded plan view of a segment same as the above. It is sectional drawing of the X1-X1 line
  • FIG. 4B is a sectional view taken along line bb in FIG. 4A. It is sectional drawing of the state before the crimping of the modification 2 of the connection part same as the above. It is a top view after caulking. It is a top view of the modification 3 of the connection part same as the above. It is a top view of the modification 4 of the connection part same as the above.
  • FIG. 8B is a partial perspective view of the segment of FIG. 8A. It is sectional drawing of the modification of the butt
  • FIG. 6 is a partial plan view before connection of Embodiment 2. It is sectional drawing of the X2-X2 line
  • FIG. 12 is a cross-sectional view taken along line 3-X3 of FIG.
  • FIG. 13B is an arrow view taken along line X4-X4 in FIG.
  • FIG. 13A. 6 is a partial plan view of Embodiment 3.
  • FIG. It is sectional drawing of the X5-X5 line
  • FIG. 17B is a cross-sectional view taken along line X6-X6 of FIG. 17A.
  • FIGS. 1 to 4 The first embodiment shown in FIGS. 1 to 4 relates to a split-type cage 11 and a tapered roller bearing 12 using the split-type cage 11.
  • the outer ring 14 which is the other race ring, is arranged concentrically on the outer periphery of the inner ring 13, which is one of the race rings, and is axially disposed on the outer diameter surface of the inner ring 13 in the axial direction.
  • An inclined inner ring raceway 15 is formed.
  • a small collar portion 16 is formed on the small diameter side of the inner ring raceway 15, and a large collar portion 17 is formed on the large diameter side.
  • An outer ring raceway 18 that is opposed to the inner ring raceway 15 and is inclined in the axial direction is formed on the inner surface of the outer ring 14.
  • the cage segment 21 (hereinafter referred to as “segment 21”) that constitutes the split cage 11 has an annular large-diameter side edge and small-diameter side edge of the split cage 11.
  • a segment large-diameter side edge 22 (hereinafter simply referred to as “large-diameter side edge 22”), a segment small-diameter side edge 23 (hereinafter simply referred to as “small-diameter side edge 23”), and the like.
  • the segment pillar part 24 (henceforth a "pillar part 24" only) formed between the large diameter side edge part 22 and the small diameter side edge part 23 is comprised.
  • the shape of each segment 21 is generally I-shaped, and the material thereof is resin or carbon steel.
  • connection segments 21-a and 21-b the two segments 21 sandwiching a wire connecting portion 30 described later are particularly referred to as connecting segments 21-a and 21-b.
  • the dimensions of the opposing portions of the large-diameter side edge portion 22 and the small-diameter side edge portion 23 are shortened by one half of the interval between the wire connection portions 30 ( 2 and 3).
  • the large-diameter side edge portion 22 and the small-diameter side edge portion 23 are respectively provided with through holes 25 and 26 in a direction orthogonal to the column portion 24 (see FIGS. 3A and 3B).
  • the through holes 25 and 26 are in communication with each other in the circumferential direction.
  • pockets 29 are formed between the pillars 24.
  • Terminal crimping portions 31 and 32 formed by covering a soft metal cylinder are formed at both ends of the wires 27 and 28.
  • steel wires such as piano wires and resin wires such as nylon are used.
  • the diameters of the terminal crimping portions 31 and 32 are formed smaller than the diameters of the through holes 25 and 26, and can pass through the through holes 25 and 26 freely.
  • the segments 21 are previously arranged in an annular shape with a finishing dimension using an appropriate jig.
  • the wires 27 and 28 are formed in a finished length including the terminal crimping portions 31 and 32 at both ends thereof.
  • the wires 27 and 28 are inserted in order from the one connecting segment 21-a with the terminal caulking portion 31 at the head and through to the other connecting segment 21-b, thereby connecting the connecting segments 21-a and 21-b. All the segments 21 including are penetrated. In this way, the entire segment 21 in the temporarily assembled state in which the wires 27 and 28 are inserted into all the segments 21 is referred to as a segment row 33 (see FIG. 2).
  • the terminal caulking portions 31 and 32 of the wires 27 and 28 are tightened to eliminate the gap between the segments 21, and a pocket 29 is formed between the column portions 24 of the segments 21. Further, the gap of the wire connecting portion 30 generated between the connecting segments 21-a and 21-b is 1 between the column portions 24 of the connecting segments 21-a and 21-b.
  • the two pockets 29 are drawn to the size that forms them.
  • one end of one wire 27 protrudes from the end face of the connecting segment 21-a, and a terminal caulking portion 32 provided at the tip thereof is connected to the other connecting segment 21-a. It approaches or abuts against the end face of b. Further, the other end portion of the wire 27 protrudes from the end surface of the connection segment 21-b, and a terminal caulking portion 31 provided at the tip thereof approaches or abuts on the end surface of the connection segment 21-a. The same applies to the end of the other wire 28.
  • the exposed portions of the wires 27 and 28 that support the terminal crimping portions 31 and 32 have portions that overlap when viewed in the axial direction.
  • the overlapping portions are in contact with the terminal crimping portions 31 and 32 and are of a soft cylindrical shape.
  • the connection crimping part 34 is formed by pinching a member and crimping this (refer FIG. 3A). Thereby, each wire 27 and 28 is connected cyclically.
  • the diameters of the terminal crimping portions 31 and 32 are smaller than the diameters of the through holes 25 and 26.
  • the diameters of the terminal crimping portions 31 and 32 are smaller. It can be great. In that case, only one terminal crimping portion 32 is provided in advance, the other end of the wire on which the terminal crimping portion is not formed is inserted into the through holes 25, 26, and all the segments 21 are inserted.
  • the terminal crimping portion 31 is formed at the end of the tightening.
  • the divided cage of the first embodiment is as described above, and various examples in which a part thereof is modified will be described below.
  • Modification 1 As a modified example of the connection structure of the wires 27 and 28, there are those shown in FIGS. 4A and 4B. That is, in this case, the terminal caulking portions 31 and 32 are provided with the arc-shaped concave portion 20, and a part of the wire 27 belonging to the opposite terminal caulking portions 31 and 32 is fitted into the concave portion 20. (See FIG. 4B). According to this structure, it becomes compact with respect to the axial direction of the wire connection part 30 by putting the wire 27 along the recessed part 20. FIG.
  • a concave caulking portion 35 is provided at one end portion of the wire 27, and a convex caulking portion 36 is provided at the other end portion.
  • the connection crimping part 37 is formed by caulking the part, and the wire connection part 30 is configured.
  • the wire connecting portion 30 between the segments 21-a and 21-b is exposed to the outside, and if the connection of the wire 27 is loosened, it may protrude to the outer diameter portion of the cage. There is. For this reason, as in Modification 5 shown in FIGS. 8A and 8B, a connecting portion accommodating recess 43 is formed across the abutting portions of the segments 21-a and 21-b.
  • the connecting portion receiving recess 43 is opened in two directions, ie, the other segment 21-a, 21-b side to be abutted and the small diameter side edge portion 23 side, and the wire connecting portion 30 is stored therein. To do.
  • the segment rows 33 are formed in an annular shape by directly connecting both ends of the wires 27 and 28.
  • the segments 27 are formed in an annular shape by indirectly connecting the wires 27 and 28.
  • a segment row 33 is formed by a large number of I-shaped segments 21, but in this second embodiment, U-shaped connecting segments 45a and 45b are formed at both ends of the segment row 33. Be placed.
  • one connection segment 45a is provided with a dovetail-shaped connection groove 46 in the length direction on the surface facing the other connection segment 45b.
  • an ant-shaped connection protrusion 47 is provided on the opposing surface of the other connection segment 45b.
  • Two recesses 48 are provided in the groove bottom of the connecting groove 46.
  • the terminal caulking portion 49 of the wire 27 is accommodated in one concave portion 48, and the terminal caulking portion 50 of the other wire 28 is accommodated in the other concave portion 48.
  • the concave portions 51 are also provided at two locations on the side portion of the connecting ridge 47.
  • the other terminal crimping portion 52 of the wire 27 is accommodated in one recess 51, and the other terminal crimping portion 53 of the wire 28 is accommodated in the other recess 51.
  • both the connecting segments 45a and 45b are connected by fitting the connecting groove 46 and the connecting protrusion 47 in the length direction.
  • the terminal caulking portions 49, 50, 52, 53 accommodated in the recesses 48, 51 are in a state of being immersed in the recesses 48, 51, respectively, which hinders the connection between the connection groove 46 and the connection protrusion 47.
  • the concave portions 48 and 51 are closed by these couplings, the terminal crimping portion 49 and the like are not pulled out and are fixed in the concave portions 48 and 51.
  • the ends of the wires 27 and 28 are connected and fixed to the connecting segments 45a and 45b, respectively, and the connecting segments 45a and 45b are connected to each other, so that both ends of the wires 27 and 28 are connected to the connecting segment 45a. , 45b.
  • the segment row 33 is formed in an annular shape, and the split type retainer 11 is formed.
  • the segment row 33 is formed in an annular shape by indirectly connecting the wires 27 and 28 as in the case of the second embodiment. .
  • the U-shaped connecting segments 54 a and 54 b are arranged symmetrically at both ends of the segment row 33.
  • a dovetail-like connecting groove 56 is formed in parallel to the width direction of the segment row 33 at the opposing portion of each connecting segment 54a, 54b.
  • Concave portions 48 and 51 are provided in the bottoms of these grooves in the same manner as in the second embodiment (see FIGS. 10 and 11), and terminal crimping portions 49, 50, 52, and 53 are accommodated.
  • the connecting member 57 interposed between the connecting segments 54a and 54b is formed with ant-like connecting ridges 58 fitted in the connecting grooves 56 on both side edges.
  • the connecting member 57 is connected to the connecting segments 54a and 54b by inserting connecting ridges 58 on both sides of the connecting member 57 in the width direction of the segment row 33 from one end of the connecting groove 56 (see FIG. 15).
  • a segment row 33 is formed.
  • an integrated means such as applying an adhesive to the connecting portion between the connecting groove 56 and the connecting protrusion 58 or welding them together.
  • connection protrusions 58 on both sides of the connection member 57 are parallel, and the connection grooves 56 of both connection segments 54a and 54b are also formed in parallel. For this reason, even if the connecting member 57 is inserted, no force is applied to the connecting segments 54a and 54b.
  • connection groove 56 is formed larger than the width of the connection protrusion 58.
  • the outer side of the connecting protrusion 58 contacts the outer inner surface of the connecting groove 56 as shown in FIG. 17A. At this time, there is a gap between the connecting protrusion 58 and the inner inner surface of the connecting groove 56.
  • connection member 57 When the connection member 57 is inserted from the above state to the end, as shown in FIG. 17B, the outer inner surface of the connection groove 56 is applied at the tip of the connection protrusion 58 in the direction perpendicular to the insertion direction to connect both sides.
  • the segments 54a and 54b are displaced outward by a fixed amount a. As a result, there is no gap between the segments 21 constituting the segment row 33.
  • both end portions of the connecting protrusion 58 are engaged with the outer inner surface and the inner inner surface at both end portions of the connecting groove 56, the connection is performed even when a force in the direction of separating both the connecting segments 54 a and 54 b is applied. It will not come off. Therefore, the segment row 33 can maintain a stable annular shape.

Abstract

L'invention concerne une cage divisée fabriquée à moindres coûts pour un roulement à rouleaux conique ne présentant pas les divers problèmes associés aux cages traditionnelles destinées à être utilisées dans des roulements à rouleaux coniques et fabriquées par formage sous pression, lesdits problèmes se produisant traditionnellement lors de la fabrication et du montage des cages et étant responsables de coûts élevés. L'invention concerne une cage divisée pour un roulement à rouleaux conique formée en combinant un grand nombre de segments (21) en une forme annulaire. Une rangée (33) de segments est formée par insertion de fils communs (27, 28) à travers tous les segments (21), les fils (27, 28) étant resserrés, et les deux extrémités de chacun des fils (27, 28) étant directement ou indirectement reliées l'une à l'autre. Par conséquent, la rangée (33) de segments présente une forme annulaire.
PCT/JP2010/069398 2009-12-29 2010-11-01 Cage divisée pour roulement à rouleaux conique WO2011080961A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-299190 2009-12-29
JP2009299190A JP5702534B2 (ja) 2009-12-29 2009-12-29 円すいころ軸受の分割型保持器

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WO2011080961A1 true WO2011080961A1 (fr) 2011-07-07

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WO (1) WO2011080961A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012092107A3 (fr) * 2010-12-27 2012-11-01 The Timken Company Dispositif de retenue de roulement segmenté destiné à des bagues de support de fil
WO2013092217A1 (fr) * 2011-12-19 2013-06-27 Aktiebolaget Skf Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier
JP2013174301A (ja) * 2012-02-24 2013-09-05 Jtekt Corp ピンタイプ保持器およびころ軸受
WO2013180774A1 (fr) * 2012-06-01 2013-12-05 The Timken Company Système de retenue de palier segmenté amélioré
EP2685115A1 (fr) * 2012-07-12 2014-01-15 Jtekt Corporation Gabarit pour cage fendue et procédé d'assemblage d'un palier à roulement
DE102013224541A1 (de) * 2013-11-29 2015-06-03 Aktiebolaget Skf Wälzlager
DE102014207836A1 (de) * 2014-04-25 2015-10-29 Aktiebolaget Skf Wälzlager
DE102014219698A1 (de) * 2014-09-29 2016-04-28 Aktiebolaget Skf Lagerkäfigsegment, Wälzlager und Assemblierungsverfahren
WO2016088599A1 (fr) * 2014-12-02 2016-06-09 Ntn株式会社 Roulement à rouleaux
DE102015206224A1 (de) 2015-04-08 2016-10-13 Aktiebolaget Skf Wälzlagerkäfig
WO2018092612A1 (fr) * 2016-11-16 2018-05-24 Ntn株式会社 Dispositif de retenue pour palier à rouleaux coniques
DE102017126577A1 (de) 2017-11-13 2019-05-16 Schaeffler Technologies AG & Co. KG Wälzlager-Käfig
US11293484B2 (en) * 2018-03-28 2022-04-05 Ntn Corporation Tapered roller bearing
DE102015017256B3 (de) 2015-04-08 2023-01-05 Aktiebolaget Skf Wälzlagerkäfig

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011080167B4 (de) * 2011-08-01 2013-09-19 Aktiebolaget Skf Lagerkäfigsegment, Lagerkäfig und Verfahren zur Herstellung desselben
JP6472694B2 (ja) * 2015-03-24 2019-02-20 Ntn株式会社 円すいころ軸受の保持器
JP2022179449A (ja) 2021-05-20 2022-12-02 Ntn株式会社 円すいころ軸受

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JPH03177618A (ja) * 1989-11-29 1991-08-01 Skf Gmbh 複合式保持器
JPH09242759A (ja) * 1996-03-11 1997-09-16 Nippon Seiko Kk コロ軸受
JP2009191990A (ja) * 2008-02-15 2009-08-27 Nsk Ltd 樹脂製保持器及び円錐ころ軸受

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JPS6094332U (ja) * 1983-11-30 1985-06-27 三住商事株式会社 ダイセツトのボ−ルリテ−ナ
JP2007056894A (ja) * 2005-08-22 2007-03-08 Jtekt Corp 玉軸受用保持器

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH03177618A (ja) * 1989-11-29 1991-08-01 Skf Gmbh 複合式保持器
JPH09242759A (ja) * 1996-03-11 1997-09-16 Nippon Seiko Kk コロ軸受
JP2009191990A (ja) * 2008-02-15 2009-08-27 Nsk Ltd 樹脂製保持器及び円錐ころ軸受

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8926190B2 (en) 2010-12-27 2015-01-06 The Timken Company Segmented bearing retainer
WO2012092107A3 (fr) * 2010-12-27 2012-11-01 The Timken Company Dispositif de retenue de roulement segmenté destiné à des bagues de support de fil
US9217470B2 (en) 2011-12-19 2015-12-22 Aktiebolaget Skf Bearing cage, bearing cage segment, and method for assembling the bearing cage
WO2013092217A1 (fr) * 2011-12-19 2013-06-27 Aktiebolaget Skf Cage de palier, segment de cage de palier et procédé d'assemblage de la cage de palier
JP2013174301A (ja) * 2012-02-24 2013-09-05 Jtekt Corp ピンタイプ保持器およびころ軸受
WO2013180774A1 (fr) * 2012-06-01 2013-12-05 The Timken Company Système de retenue de palier segmenté amélioré
CN104334899A (zh) * 2012-06-01 2015-02-04 迪姆肯公司 改进型分段轴承承托
US9039289B2 (en) 2012-06-01 2015-05-26 The Timken Company Segmented bearing retainer
CN104334899B (zh) * 2012-06-01 2016-09-28 迪姆肯公司 改进型分段轴承承托
EP2685115A1 (fr) * 2012-07-12 2014-01-15 Jtekt Corporation Gabarit pour cage fendue et procédé d'assemblage d'un palier à roulement
DE102013224541A1 (de) * 2013-11-29 2015-06-03 Aktiebolaget Skf Wälzlager
DE102014207836A1 (de) * 2014-04-25 2015-10-29 Aktiebolaget Skf Wälzlager
DE102014207836B4 (de) * 2014-04-25 2016-02-18 Aktiebolaget Skf Wälzlager
DE102014219698A1 (de) * 2014-09-29 2016-04-28 Aktiebolaget Skf Lagerkäfigsegment, Wälzlager und Assemblierungsverfahren
US10598224B2 (en) 2014-09-29 2020-03-24 Aktiebolaget Skf Bearing cage segment, antifriction bearing, and assembly method
DE102014219698B4 (de) 2014-09-29 2023-08-17 Aktiebolaget Skf Lagerkäfigsegment, Wälzlager und Assemblierungsverfahren
WO2016088599A1 (fr) * 2014-12-02 2016-06-09 Ntn株式会社 Roulement à rouleaux
DE102015206224B4 (de) 2015-04-08 2018-09-13 Aktiebolaget Skf Wälzlagerkäfig
DE102015017256B3 (de) 2015-04-08 2023-01-05 Aktiebolaget Skf Wälzlagerkäfig
DE102015206224A1 (de) 2015-04-08 2016-10-13 Aktiebolaget Skf Wälzlagerkäfig
WO2018092612A1 (fr) * 2016-11-16 2018-05-24 Ntn株式会社 Dispositif de retenue pour palier à rouleaux coniques
DE102017126577A1 (de) 2017-11-13 2019-05-16 Schaeffler Technologies AG & Co. KG Wälzlager-Käfig
US11293484B2 (en) * 2018-03-28 2022-04-05 Ntn Corporation Tapered roller bearing

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JP2011137530A (ja) 2011-07-14

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