EP2404071A1 - Dispositif d'étanchéité pour un palier à roulement ainsi que roulement à rotule pourvu du dispositif d'étanchéité - Google Patents

Dispositif d'étanchéité pour un palier à roulement ainsi que roulement à rotule pourvu du dispositif d'étanchéité

Info

Publication number
EP2404071A1
EP2404071A1 EP10708099A EP10708099A EP2404071A1 EP 2404071 A1 EP2404071 A1 EP 2404071A1 EP 10708099 A EP10708099 A EP 10708099A EP 10708099 A EP10708099 A EP 10708099A EP 2404071 A1 EP2404071 A1 EP 2404071A1
Authority
EP
European Patent Office
Prior art keywords
sealing
arrangement according
region
puncture
ring
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.)
Ceased
Application number
EP10708099A
Other languages
German (de)
English (en)
Inventor
Martin Grehn
Rainer Schröder
Mathias Pick
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 EP2404071A1 publication Critical patent/EP2404071A1/fr
Ceased 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
    • F16C33/72—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
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical 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
    • 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
    • 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
    • F16C19/38—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 two or more rows of rollers

Definitions

  • the invention relates to a sealing arrangement for a rolling bearing with at least one raceway ring, wherein the raceway ring has a raceway, which is designed for rolling rolling elements in a Wälzöraum, with a sealing washer which seals the WälzSystemraum in an axial direction of the seal assembly, with a puncture area , which is arranged in the raceway ring and in which the sealing disc is fixed, wherein the sealing disc is supported on a support surface of the puncture region and wherein the support surface and the raceway in the radial direction of the axis of rotation of the rolling bearing overlap at least in sections.
  • the invention also relates to a spherical roller bearing with this sealing arrangement.
  • Rolling bearings usually have an inner ring, an outer ring and arranged therebetween rolling elements, which roll on the inner ring and outer ring.
  • the region in which the rolling elements roll is usually referred to as WälzSystemraum, wherein it is often necessary to seal this WälzSystemraum from the environment.
  • the document US 4,916,750 shows a radial bearing assembly which is sealed in the axial direction by means of Simmerringen, which are inserted or pressed between the outer ring and the inner ring.
  • the document DE 692 051 57 T2 which probably forms the closest prior art, also relates to a radial roller bearing, which is sealed in the axial direction or at the end by means of a sealing ring.
  • a sealing ring To reduce the size of the radial rolling bearing is proposed to introduce a groove in the outer ring, which is aligned in a longitudinal section through the axis of rotation of the radial rolling slightly angled to a radial plane of the rotation axis.
  • the sealing disc is loosely inserted into this groove and fixed in a second step by a locking ring, which is also inserted into the groove.
  • the invention has for its object to propose a seal assembly or a spherical roller bearing with this seal arrangement, which is a simple assembly of the seal assembly and / or the pendulum roller warehouse.
  • the sealing arrangement according to the invention is suitable and / or designed for a rolling bearing, in particular a radial rolling bearing.
  • the rolling bearing may be formed as a single or multi-row roller bearing, which z. B. balls and / or rollers as rolling elements.
  • the seal assembly has at least one raceway ring, which preferably integrally carries a raceway, which is designed for a rolling of the rolling elements in a Wälzoasaraum.
  • the raceway encloses the area which is actually touched by the rolling elements.
  • the track may also include a section which represents an exit surface of the actual track.
  • the track is limited in longitudinal section by a rotation axis of the rolling bearing edge by a turning point in the course. Under the axis of rotation is preferably also a pivot axis to understand.
  • the sealing arrangement comprises a sealing disc, which seal a rolling body space in which the rolling elements roll on the at least one raceway ring in an axial direction of the rolling bearing.
  • the axial direction is the direction parallel to the axis of rotation of the rolling bearing.
  • the sealing disk can be designed as a contacting seal, which bears on a counter-sealing surface opposite to the at least one raceway ring, in particular on another raceway ring.
  • the sealing also be embodied as a non-contact seal.
  • the raceway ring has a puncture area, which in the most general form of the invention can be introduced with any manufacturing process, wherein the puncture area is arranged in, in particular within, the raceway ring and in which the sealing washer is fixed.
  • the puncture area preferably comprises at least one groove-like section.
  • the puncture area is formed in the direction of rotation about the axis of rotation with a constant profile.
  • the sealing disc When installed, the sealing disc is supported on a support surface of the puncture region, wherein the support surface is arranged such that the support surface and the raceway in a radial direction of the rolling bearing, ie perpendicular to the axis of rotation of the rolling bearing, at least partially overlap.
  • the support surface is preferably formed as a circumferential annular surface.
  • the sealing ring is arranged in the puncture area self-holding and / or self-clamping.
  • the sealing ring is held and / or clamped by the puncture area, wherein in particular separate fastening means, such as screws, clamping plates, etc., can be dispensed with.
  • the sealing ring or the puncture area are thus formed so that after insertion of the sealing ring in the puncture area this is functional and at the same time secured.
  • the support surface is aligned in a longitudinal section through the axis of rotation of the rolling bearing parallel or coaxial and / or concentric with this axis of rotation.
  • a centering surface for the sealing ring is formed by the support surface in addition to a positive engagement contact surface.
  • the support surface is conical, wherein in a longitudinal section through the axis of rotation of the rolling bearing, the conical surface has an angle to the axis of rotation less than 20 °, preferably less than 10 ° and in particular less than 5 °.
  • the region with the smaller diameter is arranged on the output side to the puncture region, so that insertion of the sealing disc is facilitated.
  • the gasket on a Arm michscade which is preferably formed of metal.
  • the Arm michsusion has an aligned parallel to the axis of rotation of the bearing edge region, which is designed to be supported on the support surface. This edge region is pushed onto the support surface, wherein in the case of a support surface aligned parallel to the rotation axis, play of less than 4/10 mm, preferably less than 3/10 mm and in particular less than 1/10 mm is provided.
  • play of less than 4/10 mm preferably less than 3/10 mm and in particular less than 1/10 mm is provided.
  • the diameters of the edge region and the cone are selected such that the reinforcing disk or the sealing disk first self-centering on the Support surface can be placed and optionally forms a slight play as before or even a clamp on the support area in a further pushing.
  • the extent of the support surface is selected to be curved in the said longitudinal section.
  • the sealing disc has a plastic region, which is connected to the sealing disc or the reinforcing plate, for example via vulcanization, and which forms a form-locking captive securing in the puncture area for the sealing disc.
  • the installation position of the sealing disc is secured by the plastic area.
  • the plastic region is annular and / or bead-like formed in the radial direction to the support surface.
  • the puncture region is formed in a longitudinal section through the axis of rotation of the seal arrangement L-shaped, wherein the one leg forms the support surface and the other leg a receiving cavities for the plastic region.
  • the edge region can be inserted over the support surface and the plastic region can be snapped into the receiving space.
  • the leg which is aligned in the radial direction, directed away from the Wälz stressesraum.
  • the puncture region is realized as an undercut region, the course of the puncture region being formed, for example, bent or angled starting from the inlet opening, so that, in the case of an axial plan view of the puncture region, the receiving cavity is partially covered.
  • the puncture area is formed by hard turning. Hard turning here refers to a cutting process which is carried out on the already hardened raceway ring.
  • the puncture area is generated by a puncture in the axial direction to the axis of rotation of the rolling bearing.
  • the sealing disc is arranged in the axial direction flush or even inwardly set back to the end face of the raceway ring.
  • This embodiment is achieved in that the raceway ring is removed on the end face between the puncture region and the rolling body space or by a corresponding indentation is present at this point.
  • This development has the possible advantages that on the one hand, the assembly of the sealing ring can be particularly easily performed, since this is pressed until the ram rests flush against the end face of the raceway ring. On the other hand, it can be ensured that no sensitive areas of the sealing ring over the front side survive, which could be injured during operation of the bearing.
  • the raceway ring is formed as an outer ring, wherein the support region is oriented radially outward and / or the receiving space is aligned radially outwardly with respect to the edge region of the Arm michsrace.
  • the support region is oriented radially outward and / or the receiving space is aligned radially outwardly with respect to the edge region of the Arm michsrace.
  • Another object of the invention relates to a spherical roller bearing with the features of claim 13, which according to the invention comprises a seal assembly according to one of the preceding claims.
  • the pendulum- Roller bearing preferably has a hollow spherical track in the outer ring and carries barrel rollers as rolling elements.
  • the seal assembly according to the invention can be particularly advantageous because it can tolerate a brief contact of the rolling elements on the sealing ring due to the stable design due to the structural design.
  • FIG. 1 shows a schematic longitudinal section through a roller bearing as a
  • FIG. 2 shows a detail enlargement from FIG. 1.
  • FIG. 1 shows a spherical roller bearing 1 in a schematic longitudinal section through its axis of rotation (not shown) as an embodiment of the invention.
  • the spherical roller bearing 1 has an inner ring 2, an outer ring 3 and a plurality between the inner ring 2 and outer ring 3 abrollingly arranged barrel rollers 4, which roll on an inner race 5 and an outer 6 career.
  • the inner raceway 5 and the outer raceway 6 are integrally connected to the inner ring 2 and the outer ring 3 and formed in this.
  • To guide the barrel rollers 4 shows the spherical roller bearing 1 a cage. 7
  • a WälzSystemraum 8 is formed, which is sealed at an axial outer side of the spherical roller bearing 1 by a sealing washer 9.
  • the sealing disk 9 is - as will be explained in detail below - fixed in the outer ring 3 and has at its radially inner edge region a contacting sealing lip 10 which rests sealingly on a sealing contact portion 11 of the inner ring 2.
  • the sealing portion 11 is inclined relative to the axis of rotation, not shown.
  • the sealing portion 11 may also have a curvature in the longitudinal section shown.
  • the sealing lip 9 is designed to protect the rolling body space 8 against incoming contamination or to retain existing lubricant in the rolling body space.
  • the sealing disk 9 is roughly divided into three regions in its radial extent, the sealing lip 10 being arranged in a first region I, a disk region 13 in a second region II and a fastening region 14 in a third region III.
  • the sealing disk 9 comprises a reinforcing disk 12, which is formed, for example, of metal and which extends over all the areas I - III mentioned.
  • the Arm michsus 12 is slightly angled approximately 45 ° to axially inside and forms a support for the sealing lip 10.
  • the Arm michellessscale 12 is flat, wavy, stepped or formed with beads and on the outside at least in sections the inside provided with a plastic.
  • the reinforcing disk 12 is angled inwardly in the longitudinal section shown in the drawing and forms a ring section 15. Radially on the outside of the ring section 15, a circumferential positive-locking body 16 adjoins in the fastening section 14, which serves for a positive fixing of the sealing disk 9 provides. Sealing lip 10, plastic coating in the region II and form-fitting body 16 can be applied as a common plastic coating on the Arm michsectomy 12, for example, be vulcanized. In the outer ring 3 is spaced from the WälzConsequentlyraum 8 a puncture region 17 is introduced, which is designed to receive the mounting portion 14.
  • the puncture region 17 is introduced into the outer ring 3 by hard turning, wherein the turning takes place only after the final shaping and / or hardening of the outer ring 3.
  • This hard turning can be performed with very high accuracy, so that the puncture area 17 is designed with low tolerances.
  • the puncture area 17 shows on the radial inner side a support surface 18, which in the embodiment shown has a straight cylindrical shell shape or runs parallel to the axis of rotation, not shown.
  • a support surface 18 On the bearing surface 18, the sealing disc 9 and the Arm michsscale 12 is pushed, so that the support surface 18, the sealing washer 9 centered and optionally fixed by clamping.
  • the free inner diameter of the annular portion 15 is slightly larger, for example, 0.1 mm larger than the outer diameter of the support surface 18 is selected so that a centering accuracy of 0.1 mm for the sealing ring 9 results.
  • the support surface 18 may also be conical, so that the sealing disc 9, the Arm istsscale 12 and the ring portion 15 can be simply placed and then pushed in the direction of the larger diameter of the support surface 18, resulting in a clamping action.
  • the axial positioning of the sealing disc 9 or the Arm michsschei- 12 is defined by a contact surface 19 which is formed as an axial end face.
  • the contact surface 19 is offset axially inwardly with respect to the end face S of the spherical roller bearing 1 and the outer ring 3, so that the sealing disc 9 is flush with the radial plane formed by the end face S or even inwardly offset as in the example shown ,
  • the puncture region 17 is L-shaped in the coarse form, wherein the leg lying forms the support surface 18 and the standing leg forms a receiving space 20 for the positive-fit body 16.
  • the positive fit body 16 has a profile similar to a right triangle, with the catheters facing the annular portion 15 and a radially directed wall of the receiving space 20 and facing the hypotenuse to the exit opening of the puncture area 17.
  • the receiving space 20 is formed as an undercut from the axial insertion side area, so that during assembly of the sealing washer 9, the positive locking body 16 is first deformed and then assumes its original shape in the undercut receiving area 20 again, so that the positive locking body 16 in the direction of axially outward a Schuschneidungsnase 21 is held positively in the hypotenuse of the profile in the outer ring 3.
  • the sealing arrangement of the spherical roller bearing 1 is an extremely compact design, since the outer race 6 and the support surface 18 are formed partially overlapping in the radial direction to the rotation axis 2.
  • the seal assembly it is possible in the seal assembly to produce sealed spherical roller bearings 1, which have a virtually unchanged axial width compared to unsealed spherical roller bearings.

Landscapes

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

Abstract

L'invention concerne un dispositif d'étanchéité et un roulement à rotule pourvu de ce dispositif d'étanchéité qui permettent un montage simple du dispositif d'étanchéité et/ou du roulement à rotule. Il est proposé à cet effet un dispositif d'étanchéité pour un palier à roulement (1) comprenant au moins une bague à voie de roulement (3), la bague à voie de roulement (3) présentant une voie de roulement (6) qui est conçue pour le roulement de corps de roulement (4) dans une chambre de corps de roulement (8), une rondelle d'étanchéité (9) qui rend étanche la chambre de corps de roulement (8) dans une direction axiale du dispositif d'étanchéité, une zone de gorge (17) qui est disposée dans la bague à voie de roulement (3) et dans laquelle la rondelle d'étanchéité (9) est placée, la rondelle d'étanchéité (9) s'appuyant sur une surface d'appui (18) de la zone de gorge (17) et la surface d'appui (18) et la voie de roulement (6) se recouvrant au moins en partie dans la direction radiale de l'axe de rotation du palier à roulement (1), et la bague d'étanchéité (9) étant disposée de manière autobloquante et/ou autoserrante dans la zone de gorge (17).
EP10708099A 2009-03-06 2010-02-19 Dispositif d'étanchéité pour un palier à roulement ainsi que roulement à rotule pourvu du dispositif d'étanchéité Ceased EP2404071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009012076A DE102009012076A1 (de) 2009-03-06 2009-03-06 Dichtungsanordnung für ein Wälzlager sowie Pendelrollenlager mit der Dichtungsanordnung
PCT/DE2010/000191 WO2010099776A1 (fr) 2009-03-06 2010-02-19 Dispositif d'étanchéité pour un palier à roulement ainsi que roulement à rotule pourvu du dispositif d'étanchéité

Publications (1)

Publication Number Publication Date
EP2404071A1 true EP2404071A1 (fr) 2012-01-11

Family

ID=42224305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10708099A Ceased EP2404071A1 (fr) 2009-03-06 2010-02-19 Dispositif d'étanchéité pour un palier à roulement ainsi que roulement à rotule pourvu du dispositif d'étanchéité

Country Status (3)

Country Link
EP (1) EP2404071A1 (fr)
DE (1) DE102009012076A1 (fr)
WO (1) WO2010099776A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2459891B1 (fr) * 2009-07-31 2016-05-18 Aktiebolaget SKF Agencement de roulements à rouleaux avec une bague d'étanchéité radiale

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010051230A1 (de) * 2010-11-12 2012-05-16 Schaeffler Technologies Gmbh & Co. Kg Abgedichtetes Wälzlager
US9234546B2 (en) 2012-01-02 2016-01-12 Aktiebolaget Skf Large sealed self aligning roller bearing
DE102012207745A1 (de) 2012-05-09 2013-11-14 Schaeffler Technologies AG & Co. KG Pendelrollenlager mit Dichtscheibe
WO2014168543A1 (fr) * 2013-04-08 2014-10-16 Aktiebolaget Skf Grand palier à roulement scellé à auto-alignement doté d'une étanchéité améliorée
DE102014209234A1 (de) 2014-05-15 2015-11-19 Schaeffler Technologies AG & Co. KG Dichtungsanordnung
US10082179B2 (en) 2014-12-16 2018-09-25 Roller Bearing Company Of America, Inc. Seal for self aligning roller bearing
DE102015206293B4 (de) 2015-04-09 2017-05-24 Aktiebolaget Skf Dichtung und Rollenwälzlager
DE102018107873B4 (de) 2018-04-04 2020-09-03 Schaeffler Technologies AG & Co. KG Anordnung mit Maschinenelementen und Dichtungsanordnung hierfür
CN113898668B (zh) * 2021-11-19 2024-04-26 洛阳轴承集团股份有限公司 一种密封调心滚子轴承

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EP0194397A1 (fr) * 1985-03-11 1986-09-17 Ditta IMITOOLS Palier avec dispositif d'étanchéité intégral pour pompes à eau de moteur
US4916750A (en) 1988-12-23 1990-04-10 Ntn Toyo Bearing Co. Ltd. Sealed double row spherical roller bearing
DE69205157T2 (de) 1992-07-08 1996-05-09 Skf Ab Abgedichtetes Lager.
US6709161B2 (en) * 2001-07-31 2004-03-23 Nsk Ltd. Angular contact ball bearing and spindle device
SE527314C2 (sv) * 2004-08-19 2006-02-07 Skf Ab Ett tätat lager
JP2007010114A (ja) * 2005-07-04 2007-01-18 Nsk Ltd トランスミッション用転がり軸受
JP2009041678A (ja) * 2007-08-09 2009-02-26 Nsk Ltd 水ポンプ用軸受シール装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2459891B1 (fr) * 2009-07-31 2016-05-18 Aktiebolaget SKF Agencement de roulements à rouleaux avec une bague d'étanchéité radiale

Also Published As

Publication number Publication date
WO2010099776A1 (fr) 2010-09-10
DE102009012076A1 (de) 2010-09-09

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