FR2489905A3 - Double row roller bearing - has two internal roller races joined by snap-on connecting rind - Google Patents

Double row roller bearing - has two internal roller races joined by snap-on connecting rind Download PDF

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Publication number
FR2489905A3
FR2489905A3 FR8019625A FR8019625A FR2489905A3 FR 2489905 A3 FR2489905 A3 FR 2489905A3 FR 8019625 A FR8019625 A FR 8019625A FR 8019625 A FR8019625 A FR 8019625A FR 2489905 A3 FR2489905 A3 FR 2489905A3
Authority
FR
France
Prior art keywords
bearing
inner rings
connecting member
rollers
snap
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.)
Granted
Application number
FR8019625A
Other languages
French (fr)
Other versions
FR2489905B3 (en
Inventor
Claude Sonnerat
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.)
NTN SNR Roulements SA
Original Assignee
Societe Nouvelle de Roulements SNR SA
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 Societe Nouvelle de Roulements SNR SA filed Critical Societe Nouvelle de Roulements SNR SA
Priority to FR8019625A priority Critical patent/FR2489905A3/en
Publication of FR2489905A3 publication Critical patent/FR2489905A3/en
Application granted granted Critical
Publication of FR2489905B3 publication Critical patent/FR2489905B3/fr
Granted legal-status Critical Current

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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
    • F16C19/38—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
    • F16C19/383—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • F16C19/386—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 with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
    • 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
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings

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

Abstract

The roller bearing has two rows of rollers (2) each running on a separate inner race (3). The rollers are contained in cages with a single outer race. The two inner races are assembled together using a steel or moulded plastics snap-on connecting ring (6). The connecting ring is cylindrical with the outer edges (7) turned inwards towards the axis to form a shallow U-section. The inner races (3) each have a machined groove (11) which provides the clearance into which the edges (7) of the connecting ring fit. Once assembled the bearing is not demountable.

Description

Roulement à deux rangées de rouleaux à une bague extérieure et deux bagues intérieures
L'invention concerne un roulement à deux rangées de rouleaux comprenant une bague extérieure et deux bagues intérieures entre lesquelles se trouvent les rangées de rouleaux, les extrémités extérieures des rouleaux étant guidées par des épaulements portés par les bagues intérieures.Double row roller bearing with one outer ring and two inner rings
The invention relates to a bearing with two rows of rollers comprising an outer ring and two inner rings between which the rows of rollers are located, the outer ends of the rollers being guided by shoulders carried by the inner rings.

Sur ce type de roulement, une bague d'assemblage en matériau élastique est habituellement emmanchée dans l'alésage des deux bagues intérieures et permet leur liaison pendant le transport et les opérations de manutention avant montage. Cette bague d'assemblage est chassée au montage lors de l'emmanchement des bagues intérieures sur un arbre. Au cours du démontage du roulement,lors d'une intervention d'entretien, les deux bagues intérieures sont désolidarisées. I1 s' ensuit un risque de mélange des pièces ainsi qu'une possibilité de pollution des parties internes du roulement.On this type of bearing, an assembly ring of elastic material is usually fitted into the bore of the two inner rings and allows their connection during transport and handling operations before assembly. This assembly ring is driven out during assembly when the inner rings are fitted onto a shaft. During the disassembly of the bearing, during a maintenance intervention, the two inner rings are separated. It follows a risk of mixing of the parts as well as a possibility of pollution of the internal parts of the bearing.

L'invention permet d'éviter ces inconvénients. Elle a donc pour objet un organe de liaison des bagues intérieures intégré au roulement dans le but de rendre les éléments du roulement inséparables pendant les opérations de transport, de manutention, de montage et de démontage, ctest-à-dire pendant toute la durée de vie du roulement.The invention makes it possible to avoid these drawbacks. It therefore relates to a connecting member of the inner rings integrated into the bearing in order to make the elements of the bearing inseparable during the transport, handling, assembly and disassembly operations, that is to say during the entire period of bearing life.

Selon l'invention, l'organe de liaison est constitué par un élément élastique tubulaire à configuration cylindrique dont les bases constituent des bords recourbés vers l'axe de l'element,qui délimitent des orifices dont le diamètre est inférieur au diamètre extérieur de la face latérale interne de la bague intérieurefet le logement de l'ensemble des parties latérales des deux bagues intérieures qui s'étendent axialement à partir desdites faces jusqu aux épaulements desdites bagues qui limitent latéralement les chemins de roulement.According to the invention, the connecting member is constituted by an elastic tubular element with a cylindrical configuration, the bases of which form curved edges towards the axis of the element, which delimit orifices whose diameter is less than the outside diameter of the inner side face of the inner ring and housing all of the side parts of the two inner rings which extend axially from said faces to the shoulders of said rings which laterally limit the raceways.

Selon une caractéristique constructive, les ailes recourbées de l'élément sont engagées dans une gorge de la bague intérieure du roulement limitée par ledit épaulement et par le chemin de roulement du rouleau.According to a constructive characteristic, the curved wings of the element are engaged in a groove in the inner ring of the bearing limited by said shoulder and by the raceway of the roller.

D'autres caractéristiques de l'invention ressortiront de l'exemple d'exécution de celle-ci en se référant au dessin annexé sur lequel - la figure 1 est une coupe axiale du roulement, - la figure 2 est une coupe à une plus grande échelle de l'organe de
liaison des bagues intérieures.Other characteristics of the invention will emerge from the example of execution thereof with reference to the appended drawing in which - Figure 1 is an axial section of the bearing, - Figure 2 is a section at a larger organ scale of
connection of inner rings.

Le roulement représenté à la figure 1 est constitué par une bague extérieure 1 en une seule pièce, par deux rangées de rouleaux 2 et par deux bagues intérieures 3 en contact naturel par leurs faces latérales internes 3i. Les rouleaux 2 de chaque rangée sont maintenus à distance dans des cages 4. Afin d'assurer l'étanchéité de l'assemblage du roulement, il est prévu des deux côtés de ce dernier des joints 5 qui sont insérés dans des rainures de la bague extérieure.The bearing shown in Figure 1 is constituted by an outer ring 1 in one piece, by two rows of rollers 2 and by two inner rings 3 in natural contact by their internal side faces 3i. The rollers 2 in each row are kept at a distance in cages 4. In order to seal the bearing assembly, seals 5 are provided on both sides of the latter which are inserted into grooves in the ring outside.

L'organe de liaison 6 des deux bagues intérieures 3, montré plus en détail à la figure 2, est constitué par un élément élastique tubulaire à configuration cylindrique en acier ou en matériau plastique moulé ou usiné dont les bases constituent des bords recourbés 7 vers l'axe de l'élément. Chaque bord 7 délimite un orifice 8 dont le diamètre Dl est inférieur au diamètre extérieur D2 des petits collets des bagues intérieures3. Les bords 7 délimitent également le logement de l'ensemble des parties latérales constitutives des collets des bagues 3 qui étendent axialement à partir de la face 3i jusqu'à l'épaulement 9 de cette même bague qui peut limiter latéralement le chemin de roulement 10 des rouleaux 2.The connecting member 6 of the two inner rings 3, shown in more detail in FIG. 2, consists of a tubular elastic element with a cylindrical configuration of steel or of molded or machined plastic material, the bases of which constitute curved edges 7 towards the 'axis of the element. Each edge 7 delimits an orifice 8 whose diameter D1 is less than the outside diameter D2 of the small collars of the inner rings3. The edges 7 also delimit the housing of all of the lateral parts constituting the collars of the rings 3 which extend axially from the face 3i up to the shoulder 9 of this same ring which can laterally limit the raceway 10 of the rollers 2.

Selon le mode de réalisation représenté pour chaque bague intérieure, l'épaulement 9 est axialement séparé du chemin de roulement 10 par une gorge annulaire 11 de forme et profondeur appropriées dans laquelle vient s'encliqueter le bord 7 de l'organe de liaison 6 et qui sert également en tant que dégagement de rectification pour l'usinage des chemins de roulement 10. La partie latérale de bague comprise entre l'épaulement 9 et la face latérale 3i communément appelée 'tpetit collet" porte un chanfrein d'angle 34 qui facilite le montage de l'organe de liaison 6 et l'expansion du bord 7 au-dessus du collet avant T'uciiq'eet dans la gorge 11. A la suite du montage de l'organe 6 par dessus de' collets de bague intérieure, l'ensemble du roulement est indemontable.According to the embodiment shown for each inner ring, the shoulder 9 is axially separated from the raceway 10 by an annular groove 11 of suitable shape and depth into which the edge 7 of the connecting member 6 is snapped in and which also serves as a rectification clearance for the machining of the raceways 10. The lateral ring portion between the shoulder 9 and the lateral face 3i commonly called "small collar" carries an angle chamfer 34 which facilitates mounting the connecting member 6 and expanding the edge 7 above the front collar T'uciiq'eet in the groove 11. Following the mounting of the member 6 above 'inner ring collars , the entire bearing cannot be dismantled.

L'invention peut être appliquée chaque fois que l'on veut rendre insepwzr les éléments constitutifs d'un roulement biconique, pour permettre son transport, ainsi que les diverses manutentions et opérations de montage et de démontage sans risque de mélange de pièces ou de pollution. Elle peut être appliquée dans toutes les industries mécaniques, notamment dans l'industrie automobile. The invention can be applied whenever it is desired to make insepwzr the constituent elements of a biconical bearing, to allow its transport, as well as the various handling and assembly and disassembly operations without risk of mixing of parts or pollution. . It can be applied in all mechanical industries, especially in the automotive industry.

Claims (4)

RE:RNICATI0NS  RE: RNICATI0NS i. Roulement à deux rangées de rouleaux à une bague extérieure et deux bagues intérieures entre lesquelles se trouvent les rangées de rouleaux et qui possède un organe de liaison des deux bagues intérieures, caractérisé par le fait que organe de liaison (6) est constitué par un élément élastique tubulaire à configuration cylindrique dont les bases constituent des bords recourbés (7) vers l'axe de l'élément, qui délimitent des orifices (8) dont le diamètre est inférieur au diamètre extérieur D2 des petits collets des bagues intérieures 3Li. Bearing with two rows of rollers with an outer ring and two inner rings between which the rows of rollers are located and which has a connecting member for the two inner rings, characterized in that the connecting member (6) consists of an element tubular elastic in cylindrical configuration, the bases of which constitute curved edges (7) towards the axis of the element, which delimit orifices (8) whose diameter is less than the outside diameter D2 of the small collars of the inner rings 3L 2. Roulement selon la revendication 1, caractérisé par le fait que la partie de bague intérieure, comprise entre la face latérale interne (3i et l'épaulement (9) qui limite le petit collet, porte un chanfrein (34)2. Bearing according to claim 1, characterized in that the inner ring part, between the inner side face (3i and the shoulder (9) which limits the small collar, carries a chamfer (34) 3. Roulement selon l'une quelconque revendications i, 2, caractérisé par le fait que organe de liaison (6) est en acier ou en matériau plastique usiné ou moulé.3. Bearing according to any one of claims i, 2, characterized in that the connecting member (6) is made of steel or of machined or molded plastic material. 4. Roulement selon la revendication l ou 2, caractérisé par le fait que les bords recourbés (7) de l'organe de liaison sont encliquetés dans des gorges annulaires (il) qui limitent axialement les chemins de roulement des bagues intérieures au voisinage des épaulenents(9)des petits collets des bagues intérieures. 4. Bearing according to claim l or 2, characterized in that the curved edges (7) of the connecting member are snapped into annular grooves (it) which axially limit the raceways of the inner rings in the vicinity of the shoulders (9) small collars of the inner rings.
FR8019625A 1980-09-11 1980-09-11 Double row roller bearing - has two internal roller races joined by snap-on connecting rind Granted FR2489905A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8019625A FR2489905A3 (en) 1980-09-11 1980-09-11 Double row roller bearing - has two internal roller races joined by snap-on connecting rind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8019625A FR2489905A3 (en) 1980-09-11 1980-09-11 Double row roller bearing - has two internal roller races joined by snap-on connecting rind

Publications (2)

Publication Number Publication Date
FR2489905A3 true FR2489905A3 (en) 1982-03-12
FR2489905B3 FR2489905B3 (en) 1982-07-09

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ID=9245844

Family Applications (1)

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FR8019625A Granted FR2489905A3 (en) 1980-09-11 1980-09-11 Double row roller bearing - has two internal roller races joined by snap-on connecting rind

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571797A1 (en) * 1984-10-11 1986-04-18 Skf Gmbh OBLIQUE CONTACT BEARING WITH SEVERAL ROWS
DE4301195C2 (en) * 1992-01-30 2001-12-20 Volkswagen Ag Double row angular contact bearings in an O arrangement
CN103016518A (en) * 2012-12-26 2013-04-03 瓦房店工业冶金轴承制造有限公司 Novel structure of full sealed double-column cylindrical roller bearing
FR3003614A1 (en) * 2013-03-19 2014-09-26 Ntn Snr Roulements UNIT OF BEARING WITH TWO ROWS OF ROLLING BODIES COMPRISING AN INTERNAL ASSEMBLY RING.
EP2904280A4 (en) * 2012-10-04 2016-07-13 Skf Ab Rolling bearing guide ring
US11187271B2 (en) * 2019-07-04 2021-11-30 Aktiebolaget Skf Polymer joining ring for a bearing assembly

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2571797A1 (en) * 1984-10-11 1986-04-18 Skf Gmbh OBLIQUE CONTACT BEARING WITH SEVERAL ROWS
DE4301195C2 (en) * 1992-01-30 2001-12-20 Volkswagen Ag Double row angular contact bearings in an O arrangement
EP2904280A4 (en) * 2012-10-04 2016-07-13 Skf Ab Rolling bearing guide ring
US9541129B2 (en) 2012-10-04 2017-01-10 Aktiebolaget Skf Rolling bearing guide ring
CN103016518A (en) * 2012-12-26 2013-04-03 瓦房店工业冶金轴承制造有限公司 Novel structure of full sealed double-column cylindrical roller bearing
FR3003614A1 (en) * 2013-03-19 2014-09-26 Ntn Snr Roulements UNIT OF BEARING WITH TWO ROWS OF ROLLING BODIES COMPRISING AN INTERNAL ASSEMBLY RING.
US11187271B2 (en) * 2019-07-04 2021-11-30 Aktiebolaget Skf Polymer joining ring for a bearing assembly

Also Published As

Publication number Publication date
FR2489905B3 (en) 1982-07-09

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