WO2024088461A1 - Palier à roulement - Google Patents

Palier à roulement Download PDF

Info

Publication number
WO2024088461A1
WO2024088461A1 PCT/DE2023/100681 DE2023100681W WO2024088461A1 WO 2024088461 A1 WO2024088461 A1 WO 2024088461A1 DE 2023100681 W DE2023100681 W DE 2023100681W WO 2024088461 A1 WO2024088461 A1 WO 2024088461A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
rolling
ring
section
inner ring
Prior art date
Application number
PCT/DE2023/100681
Other languages
German (de)
English (en)
Inventor
Beate Schmidt
Claus Guckenberger
Sebastian Meyer
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
Publication of WO2024088461A1 publication Critical patent/WO2024088461A1/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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
    • 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
    • F16C2300/20—Application independent of particular apparatuses related to type of movement
    • F16C2300/22—High-speed rotation
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7853—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race
    • F16C33/7856—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with one or more sealing lips to contact the inner race with a single sealing lip

Definitions

  • the invention relates to a rolling bearing with a cover plate and a seal.
  • DE 10 2018 123 495 A1 discloses a ball bearing with a rotating bearing inner ring and a torsionally rigid bearing outer ring, which has a sealing arrangement on both sides.
  • the sealing arrangement consists of a one-piece centrifugal disk made of steel, which is fixed in position on the bearing inner ring by force. A sealing collar of the centrifugal disk is guided contactlessly to a sealing surface of the bearing outer ring while maintaining a gap dimension.
  • WO 2010/054890 A1 discloses a sealing arrangement with a sealing ring and a slinger ring, which has a cylindrical fastening part.
  • the sealing ring has a radial, pre-stressed sealing lip, which makes contact with the cylindrical fastening part of the slinger ring. Defined distances and component design are intended to prevent the radial sealing lip from folding over in the direction of the rolling space.
  • the invention is based on the object of providing an improved rolling bearing.
  • this object is achieved by a rolling bearing with a bearing outer ring arranged about an axis of rotation running in the axial direction, which has a first raceway, and a bearing inner ring arranged concentrically thereto, which has a second raceway opposite the first raceway in the radial direction, with a cage which rotatably guides rolling elements rolling on the raceways in a row of rolling elements, and with a cover disk and a seal, both of which are arranged radially between the bearing inner ring and the bearing outer ring, wherein the cover disk is attached to the bearing inner ring and the sealing ring is arranged axially between the row of rolling elements and the cover disk and has a sealing lip which makes contact with the bearing inner ring.
  • the rolling bearing is designed in particular as a ball bearing or as a flange bearing and is arranged around a rotation axis.
  • the rotation axis runs in the axial direction.
  • a radial direction runs perpendicular to the rotation axis.
  • a bearing outer ring, a bearing inner ring and a cage are arranged circumferentially around the rotation axis.
  • the cage can be made of metallic materials or as a plastic cage, in particular PA66-GF25, PA46-GF30.
  • the bearing outer ring and bearing inner ring are arranged in such a way that the bearing outer ring is radially further away from the rotation axis than the bearing inner ring.
  • rollers Between the bearing outer ring and the bearing inner ring, rollers roll on a first raceway on the bearing outer ring and a
  • the second raceway on the bearing inner ring has rolling elements in a row of rolling elements. These are designed in particular as ball rolling elements, but can also be designed as cylindrical rollers, tapered rollers or needle rollers.
  • the invention is based on the knowledge that it is expedient to use a combination of a friction-optimized seal and a cover plate that acts as a centrifugal disk to efficiently seal the interior of the rolling bearing at high speeds.
  • the cover plate is arranged on one or both axial ends of the rolling bearing between the bearing inner ring and the bearing outer ring, i.e. on one or both sides of the rolling bearing with a relatively large distance to the row of rolling elements.
  • the cover plate is adjacent to the bearing inner ring in the radial direction.
  • the cover plate can be firmly connected to the bearing inner ring in a force-fitting or form-fitting manner or also after force and form-fitting.
  • the cover plate largely covers a radial gap that is formed between the bearing inner ring and the bearing outer ring in the radial direction.
  • the cover plate forms a gap seal with a radial inner rim of the bearing outer ring, i.e. the rim on the bearing outer ring, which also has the first raceway in its axial extension.
  • the cover plate is combined with a sealing ring.
  • the sealing ring is arranged in the axial direction between the cover plate and the row of rolling elements and therefore does not require any additional installation space.
  • the sealing ring runs radially and bridges the radial gap between the bearing outer ring and the bearing inner ring.
  • the sealing ring consists of a solid part, such as a reinforcement, which is partially or completely enclosed by an elastomer part.
  • the sealing ring has a sealing body and a fastening bead in the radial direction, with which it is arranged on the bearing outer ring.
  • the sealing body On the radially opposite side, the sealing body has a sealing lip which is tangent to the bearing inner ring.
  • the bearing inner ring is the rotating bearing ring in the rolling bearing during operation
  • the fixed connection of the cover plate to the bearing inner ring means that it rotates with the bearing inner ring.
  • the bearing outer ring would be In this case, it is mounted in a rotationally rigid manner.
  • the rotation of the cover plate means that the rolling bearing can be largely shielded from surrounding media.
  • the cover plate uses centrifugal force to throw incoming media and disruptive particles away from the rolling bearing, thus acting as a centrifugal disc. It keeps most incoming media away.
  • the seal which has a sealing lip on the bearing inner ring, acts as a further means of shielding the interior of the rolling bearing.
  • the radially aligned sealing lip does not make contact with a section of the cover plate, but rather touches the bearing inner ring directly.
  • the seal is designed as a friction-optimized seal and has a surface on its sealing lip with a low coefficient of friction or properties that reduce the friction between the sealing lip and the bearing inner ring.
  • the combination of the sealing ring with the friction-optimized sealing lip on the bearing inner ring and the cover plate arranged on the bearing inner ring means that lubricating media can be kept in the rolling bearing and at the same time disruptive particles can be efficiently prevented from entering the rolling bearing.
  • the interior of the bearing is efficiently sealed at high speeds and does not require any costly components or additional space in the rolling bearing environment.
  • the cover plate preferably has recesses.
  • the recesses are arranged adjacent to one another in a continuous manner.
  • the recesses are preferably arranged on an end section of the cover plate facing the bearing inner ring.
  • the recesses can be in the form of holes which are circular, oval or have an elongated hole shape.
  • the recesses can also be slots with different extensions in their course.
  • the slots can be straight or curved in their basic form or consist of a combination of different geometries.
  • the recesses are distributed in the circumferential direction over the cover plate and thus adjacent to one another.
  • the recesses can be arranged evenly or in a chaotic pattern or in a further distribution which is advantageous for an application along the cover plate.
  • the recesses are preferably located on a section of the cover plate.
  • cover plate which is located in the third of the total radial length of the cover plate that is closest to the bearing inner ring. Starting from the bearing outer ring, this is the end section of the cover plate.
  • the recesses allow the rolling bearing to be drained during operation and, if the recesses are arranged all around, also when the rolling bearing is at rest. This prevents stagnant media and reliably prevents reactions between media and the seal caused by this.
  • the sealing ring preferably has a further sealing lip which makes contact with the cover plate.
  • the further sealing lip is aligned at an angle to the cover plate.
  • the sealing ring preferably has a further sealing lip which rests on the cover plate.
  • the further sealing lip runs at an angle to the cover plate.
  • Two chambers are formed by the further sealing lip. A gap between the cover plate and a radial inner edge of the bearing outer ring, which is radially opposite the cover plate, forms the entrance to the first chamber.
  • the first chamber is delimited by the further sealing lip.
  • the second chamber is located between the further sealing lip, the sealing lip and part of the cover plate and has no opening.
  • Particles which pass through the rotating cover plate in its function as a centrifugal disk first reach the first chamber, with the further sealing lip forming a barrier. If the additional sealing lip is also inclined towards the cover plate with a tendency to tilt towards the bearing outer ring, disruptive particles collect in a groove between the additional sealing lip and the sealing body. The centrifugal force causes the particles to be thrown back towards the bearing outer ring during operation. If particles do manage to overcome the additional sealing lip, they are still not inside the rolling bearing, but only in the second chamber, where the sealing lip prevents them from penetrating into the rolling bearing interior.
  • the additional sealing lip has a surface with a low coefficient of friction or properties that reduce the friction between the other sealing lip and the cover plate.
  • This design of the rolling bearing therefore makes use of high speeds for the functionality of one of the two components of the seal, namely the cover plate.
  • a seal with a friction-optimized sealing lip that rests on the bearing inner ring and another friction-optimized sealing lip that rests on the cover plate a reliable seal of the rolling bearing interior can be achieved with high energy efficiency and little installation space.
  • the cover disk preferably has a section that runs diagonally towards the row of rolling elements.
  • the cover disk preferably has a section that runs neither purely in the axial direction nor purely in the radial direction, but rather diagonally towards the row of rolling elements.
  • the middle section comprises at least the third of the cover disk that also contains the center of the cover disk in the radial direction.
  • a section is therefore said to run diagonally towards the row of rolling elements if it has a smaller axial distance to a straight line running radially through the center of the rolling elements than the radially running middle section.
  • the section that runs diagonally towards the row of rolling elements forms a guide surface on the cover disk. The aim of this is to guide media that have overcome the cover plate and, promoted by the centrifugal force acting during operation, to allow them to escape again in a controlled manner.
  • the cover plate has a section running parallel to a radial inner rim of the bearing outer ring and a C-shaped section.
  • the cover plate disc has a section which is arranged on the bearing outer ring and runs axially.
  • the bearing outer ring has a boundary surface on its radially inner side, i.e. on the side facing the rolling elements, a radial inner rim.
  • a section of the cover disc runs parallel to this radial inner rim at one axial end of the bearing outer ring, with a gap seal being formed between the radial inner rim of the bearing outer ring and the cover disc.
  • the cover disc also has a C-shaped section. The opening of the C can be oriented towards the row of rolling elements, away from the row of rolling elements or towards the bearing outer ring or the bearing inner ring.
  • the bearing outer ring and/or the bearing inner ring have a current-insulating layer.
  • the bearing outer ring or the bearing inner ring or the bearing inner ring and the bearing inner ring have a layer that does not conduct electricity. This prevents current from flowing through the rolling bearing, which can increase the service life of the rolling bearing.
  • the cover disk on the bearing inner ring has a C-shaped section with adjacent recesses all the way around, the C-shaped section being followed by a section which, starting from a radially running central section, runs diagonally towards the row of rolling elements, this section running diagonally towards the row of rolling elements being followed by the radially running central section, which is followed by a section running diagonally towards the row of rolling elements, and the cover disk in the area of the bearing outer ring having a section running parallel to a radial inner rim of the bearing outer ring.
  • the cover disk is divided into different sections. In a central section, the cover disk runs in a radial direction and runs in a straight line.
  • the cover disk has a section on each side radially which runs diagonally and is oriented in the direction of the row of rolling elements.
  • the diagonally running sections therefore run diagonally from the central section away and towards the row of rolling elements, thereby reducing the axial distance to the row of rolling elements.
  • In the direction of the inner bearing ring there is a section in the shape of a C, which rests against a rim of the inner bearing ring oriented towards the outer ring.
  • the section running diagonally towards the row of rolling elements is followed by another section, which ends in a section running parallel to a radial inner rim of the outer bearing ring. A gap seal is thus formed between the radial inner rim of the outer bearing ring and the cover plate.
  • Figure 1 is a schematic diagram of the rolling bearing according to the invention in a perspective view
  • Figure 2 shows a schematic diagram of an embodiment of the rolling bearing according to the invention in a sectional partial view
  • Figure 3 is a schematic diagram of another embodiment of the rolling bearing according to the invention in a partial sectional view.
  • Figure 1 shows a perspective view of a rolling bearing 1 according to the invention designed as a ball bearing.
  • the direction of the rotation axis 2 is in the direction of the rotation axis 2.
  • the direction of the rotation axis 2 is perpendicular to the rotation axis 2.
  • the rolling bearing 1 is composed of a bearing inner ring 5 arranged around a rotation axis 2 and a bearing outer ring 3 of larger diameter arranged concentrically thereto.
  • a gap i.e. a radial gap, is formed between the bearing outer ring 3 and the bearing inner ring 5 in the radial direction r.
  • This radial gap is formed by a cover disk 10, which is circumferential and extends in the radial direction r from the bearing inner ring 5 to the bearing outer ring 3.
  • the cover disk 10 is not flat in the radial direction r, but has elevations and depressions and is thus divided into different sections.
  • Adjacent to the bearing inner ring 5, the cover disk 10 has an end section 15.
  • the end section 15 has recesses 14 that are evenly distributed all around and are designed in the shape of a part circle. The recesses 14 enable drainage of the rolling bearing 1 both during operation and when at rest.
  • FIG. 2 shows a sectional partial view of an embodiment of the rolling bearing 1 according to the invention.
  • the rolling bearing 1 is designed as a ball bearing with a bearing inner ring 5 arranged around a rotation axis 2 and a bearing outer ring 3 arranged concentrically thereto, between which a radial gap is formed in the radial direction r, i.e. perpendicular to the rotation axis 2.
  • the bearing outer ring 3 has a first raceway 4 for rolling elements 8.
  • the bearing inner ring 5 opposite it in the radial direction r has a second raceway 6 for rolling elements 8.
  • a cage 7 guides the rolling elements 8 so that they can rotate on the raceways 4, 6 in a row of rolling elements 9.
  • the bearing outer ring 3 has a radial inner rim 12 on the bearing outer ring 3. This runs in the axial direction a, i.e. along the rotation axis 2, and abruptly reduces its radial extent.
  • the radial inner rim 12 forms a first groove 21 and then continues to an axial end of the rolling bearing 1.
  • a radial inner rim 23 of the bearing inner ring 5 is located opposite the radial inner rim 12 of the bearing outer ring 3 in the radial direction r. This runs in the axial direction a and abruptly reduces its radial extent.
  • the radial inner rim 23 forms a second groove 22 and then continues to an axial end of the rolling bearing 1.
  • a sealing ring 11 is arranged on the first groove 21 directly adjacent to the row of rolling elements 9 and extends radially to the bearing inner ring 5.
  • the sealing ring 11 has a sealing lip 13 which contacts the radial inner rim 23 of the bearing inner ring 5.
  • a cover disk 10 is arranged on the second groove 22 adjacent to the sealing ring 11 in the axial direction a. This bridges the gap between the bearing inner ring 5 and the bearing outer ring. ring 3, whereby a gap remains between the cover disk 10 and the radial inner rim 12 of the bearing outer ring 3.
  • the cover disk 10 has recesses 14.
  • the recesses 14 implement drainage of the rolling bearing 1 both when stationary and during operation.
  • the cover disk 10 is made up of various sections 17, 18, 19, 20.
  • the cover disk 10 On the bearing inner ring 5, the cover disk 10 has a C-shaped section 20, in the middle area a radial middle section 19, which runs in the radial direction r. Starting from the radial middle section 19, a section 17 adjoins both sides, which runs at an angle to the row of rolling elements 9.
  • the cover disk 10 On the radial inner rim 12 of the bearing outer ring 3, the cover disk 10 has a section 18 which runs parallel to the radial inner rim 12.
  • the bearing inner ring 5 rotates with the cover plate 10 arranged there.
  • the sealing ring 11 remains static, as does the bearing outer ring 3.
  • Media and contaminants flowing in axially on the side of the cover plate 10 bounce off the cover plate 10 or are thrown away from the cover plate 10 by centrifugal force.
  • Media and disruptive particles that get past the cover plate 10 are prevented from entering the interior of the rolling bearing 1 by the sealing ring 11 integrated into the rolling bearing 1.
  • media such as condensation water that forms during operation can escape through the recesses 14 on the cover plate 10. This prevents stagnant media on the sealing ring 11, which would damage the sealing ring 11 and thus cause it to fail prematurely.
  • FIG. 3 shows a further embodiment of a rolling bearing 1 according to the invention in a sectional partial view.
  • the rolling bearing 1 is arranged analogously to the rolling bearing 1 from Figure 2 around a rotation axis 2 running in the axial direction a and has a bearing outer ring 3 with a first raceway 4, a bearing inner ring 5 with a second raceway 6, rolling elements 8 in a row of rolling elements 9, guided by a cage 7.
  • a radial direction r is aligned perpendicular to the rotation axis 2.
  • a radial inner rim 12 of the bearing outer ring 3 is designed analogously to Figure 2 and has a first groove 21.
  • the bearing inner ring 5 has a radial inner rim 23 with a second groove 22.
  • a sealing ring 11 is arranged on the first groove 21, and a cover disk 10 on the second groove 22.
  • the sealing ring 11 has a further sealing lip 16 in addition to a sealing lip 13 which rubs against the bearing inner ring 5, but no openings for drainage.
  • the further sealing lip 16 originates from the sealing ring 11, runs inclined to the rotation axis 2 at an angle to the cover disk 10 and contacts the cover disk 10 on the side facing the row of rolling elements 9.
  • the cover disk 10 is arranged on the bearing inner ring 5 in a similar way to Figure 2 and is divided into several sections 17, 18, 19, 20. It has a section 18 running parallel to the radial inner rim 12 of the bearing outer ring 3, a middle radial section 19, a C-shaped section 20 and sections 17 which run at an angle to the row of rolling elements 9.
  • the additional sealing lip 16 creates an additional hurdle to prevent surrounding media from entering the interior of the rolling bearing 1.
  • Media which are located inside the rolling bearing 1 and are intended to remain there, such as lubricating media, are held inside by the additional sealing lip 16.
  • any medium which hits it is thrown away by the cover disk 10 which rotates together with the bearing inner ring 5.
  • Particles which nevertheless penetrate through the remaining gap between the cover disk 10 and the radial inner rim 12 of the bearing outer ring 3 are intercepted by the additional sealing lip 16 on the sealing ring 11. If media pass through the additional sealing lip 16 during operation, the sealing lip 13 remains as an additional instance to prevent these media from entering the interior of the rolling bearing 1. This increases the sealing efficiency further increased and the interior of the rolling bearing 1 is reliably sealed even at high speeds.

Landscapes

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

Abstract

L'invention concerne un palier à roulement (1) monté autour d'un axe de rotation (2) s'étendant dans la direction axiale a, lequel comprend une bague extérieure de roulement (3) munie d'un bord intérieur (12) radial, une bague intérieure de roulement (5), une cage (7) et des chemins de roulement (4, 6) sur lesquels roulent des éléments roulants (8) en une rangée d'éléments roulants (9), et une bague d'étanchéité (11) s'étendant dans la direction radiale r, munie d'une lèvre d'étanchéité (13), ainsi qu'une rondelle de protection (10) s'étendant radialement, disposée sur la bague intérieure de roulement (5), ladite rondelle faisant fonction de rondelle centrifuge et étant divisée en segments (17, 18, 19, 20) s'étendant de manière différente. Selon le mode de réalisation, un segment d'extrémité (15) peut comporter des évidements (14).
PCT/DE2023/100681 2022-10-24 2023-09-13 Palier à roulement WO2024088461A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022127979.0A DE102022127979A1 (de) 2022-10-24 2022-10-24 Wälzlager
DE102022127979.0 2022-10-24

Publications (1)

Publication Number Publication Date
WO2024088461A1 true WO2024088461A1 (fr) 2024-05-02

Family

ID=88373731

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2023/100681 WO2024088461A1 (fr) 2022-10-24 2023-09-13 Palier à roulement

Country Status (2)

Country Link
DE (1) DE102022127979A1 (fr)
WO (1) WO2024088461A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055039A1 (de) * 2005-11-18 2007-05-24 Schaeffler Kg Wälzlager für eine zwei gegeneinander drehbare Bauteile umfassende Vorrichtung
WO2010054890A1 (fr) 2008-11-13 2010-05-20 Schaeffler Technologies Gmbh & Co. Kg Système de joint à lèvre d'étanchéité radiale
US8061901B2 (en) * 2008-08-22 2011-11-22 Baldor Electric Company Extension member for a flinger of a bearing
DE102017110414A1 (de) * 2016-05-18 2017-11-23 Jtekt Corporation Radlagervorrichtung
DE102018123495A1 (de) 2018-09-25 2020-03-26 Schaeffler Technologies AG & Co. KG Reibungsreduziertes Kugellager mit Schleuderscheibe
US20210348646A1 (en) 2020-05-06 2021-11-11 Aktiebolaget Skf Hub bearing assembly for discs for soil cultivation
US20220003319A1 (en) 2020-07-01 2022-01-06 BRUSS Sealing Systems GmbH Seal arrangement and method for manufacturing a seal arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11257360A (ja) 1998-01-07 1999-09-21 Nippon Seiko Kk シールリング付転がり軸受及び自動車用変速機
JP2006234081A (ja) 2005-02-25 2006-09-07 Ntn Corp 密封型転がり軸受
US8172463B2 (en) 2006-03-08 2012-05-08 Ntn Corporation Rolling bearing with a ceramic coating and method for manufacturing the same
DE102009021470A1 (de) 2009-05-15 2010-11-18 Schaeffler Technologies Gmbh & Co. Kg Dichtungsanordnung für ein Wälzlager
JP2019206990A (ja) 2018-05-29 2019-12-05 日本精工株式会社 密封装置付ハブユニット軸受
DE102020112044A1 (de) 2020-05-05 2021-11-11 Schaeffler Technologies AG & Co. KG Wälzlager mit Schleuderscheibe
CN112709754A (zh) 2020-12-31 2021-04-27 八环轴承（长兴）有限公司 一种重载防水球轴承

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055039A1 (de) * 2005-11-18 2007-05-24 Schaeffler Kg Wälzlager für eine zwei gegeneinander drehbare Bauteile umfassende Vorrichtung
US8061901B2 (en) * 2008-08-22 2011-11-22 Baldor Electric Company Extension member for a flinger of a bearing
WO2010054890A1 (fr) 2008-11-13 2010-05-20 Schaeffler Technologies Gmbh & Co. Kg Système de joint à lèvre d'étanchéité radiale
DE102017110414A1 (de) * 2016-05-18 2017-11-23 Jtekt Corporation Radlagervorrichtung
DE102018123495A1 (de) 2018-09-25 2020-03-26 Schaeffler Technologies AG & Co. KG Reibungsreduziertes Kugellager mit Schleuderscheibe
US20210348646A1 (en) 2020-05-06 2021-11-11 Aktiebolaget Skf Hub bearing assembly for discs for soil cultivation
US20220003319A1 (en) 2020-07-01 2022-01-06 BRUSS Sealing Systems GmbH Seal arrangement and method for manufacturing a seal arrangement

Also Published As

Publication number Publication date
DE102022127979A1 (de) 2024-04-25

Similar Documents

Publication Publication Date Title
DE102005029936B4 (de) Abgedichtetes Wälzlager
DE102011003704B4 (de) Labyrinthdichtung eines Radiallagers mit Radialflansch
DE102008017409B4 (de) Dichtungsanordnung sowie Radlager mit der Dichtungsanordnung
DE3148530C2 (fr)
WO2012019803A1 (fr) Ensemble d'étanchéité pour palier de roulement
EP2491280A1 (fr) Bague d'étanchéité sans frottement et ensemble d'étanchéité
WO2011138107A1 (fr) Palier à roulement à garniture d'étanchéité intégrée
DE3330473A1 (de) Beruehrungsfreie dichtung
DE102020106615A1 (de) Axiallager
EP2443345A1 (fr) Dispositif d'étanchéité d'arbre
WO2021121466A1 (fr) Agencement d'étanchéité pour roulement de roue
EP2491641B1 (fr) Moteur électrique, unité hydraulique
WO2005116312A1 (fr) Cylindre superieur pour bancs d'etirage de metiers a filer
DE19709056A1 (de) Abdichtung für ein Kupplungsausrücklager
WO2024088461A1 (fr) Palier à roulement
EP2956695A2 (fr) Dispositif d'étanchéité destiné à l'étanchéité sans contact de paliers à roulement
DE102012223903A1 (de) Dichtung für ein Wälzlager und Wälzlager
DE102022204801A1 (de) Dichtvorrichtung für eine Lagereinheit
DE102009019396B4 (de) Dichtungsanordnung für eine Wälzlagerung
EP1225378B1 (fr) Dispositif d'étanchéité
DE102020100511A1 (de) Radlagereinheit für ein Kraftfahrzeug
DE102008052726A1 (de) Wälzlager mit Dichtelementen
DE102022127980A1 (de) Wälzlager
DE102022127978A1 (de) Wälzlager
DE4203391A1 (de) Dichtungsanordnung fuer eine wasserpumpe einer brennkraftmaschine

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: 23789223

Country of ref document: EP

Kind code of ref document: A1