DE2343748A1 - Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings - Google Patents

Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings

Info

Publication number
DE2343748A1
DE2343748A1 DE19732343748 DE2343748A DE2343748A1 DE 2343748 A1 DE2343748 A1 DE 2343748A1 DE 19732343748 DE19732343748 DE 19732343748 DE 2343748 A DE2343748 A DE 2343748A DE 2343748 A1 DE2343748 A1 DE 2343748A1
Authority
DE
Germany
Prior art keywords
bearing plate
roller
hollow cylindrical
tension roller
protrusion
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
DE19732343748
Other languages
German (de)
Inventor
Auf Nichtnennung Antrag
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.)
IHO Holding GmbH and Co KG
Original Assignee
Industriewerk Schaeffler OHG
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 Industriewerk Schaeffler OHG filed Critical Industriewerk Schaeffler OHG
Priority to DE19732343748 priority Critical patent/DE2343748A1/en
Priority to US05/495,304 priority patent/US3950046A/en
Priority to FR7428680A priority patent/FR2242596B1/fr
Priority to BR7208/74A priority patent/BR7407208D0/en
Publication of DE2343748A1 publication Critical patent/DE2343748A1/en
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
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • 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
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/63—Gears with belts and pulleys
    • 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
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0863—Finally actuated members, e.g. constructional details thereof
    • F16H2007/0865—Pulleys

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

Bearing plate for the flexible location of a tension roller, is made of sheet metal, and has a one piece hollow cylindrical protrusion which carries the tension roller. The tension roller is located on roller bearings, and comprises an inner running ring, an outer running ring which actually forms the roller, and roller bodies running inbetween them. The inner running ring is fixed to the bearing plate protrusion, and is in fact pressed onto it. The protrusion has a flange at its free end which serves to retain the inner running ring. The protrusion has a closed wall at its free end. The plate has a U-shaped cut-out the lobe thus formed is at right-angles to the plate upper surface.

Description

Industriewerk Schaeffler oHG, 8522 Herzogenaurach Industriestraße 1-3Industriewerk Schaeffler oHG, 8522 Herzogenaurach Industriestrasse 1-3

PG 1545 Pt-K/GrPG 1545 Pt-K / Gr

Lagerplatte zur schwenkbaren Lagerung einer auf ihr befestigten SpannrolleBearing plate for the swiveling mounting of a tensioning pulley attached to it

Die Erfindung betrifft eine Lagerplatte zur schwenkbaren Lagerung einer auf ihr befestigten Spannrolle. Derartige Einheiten aus einer Lagerplatte und einer darauf befestigten Spannrolle werden an Kraftfahrzeugmotoren verwendet um z.B. Zahnriemen für den Nockenwellenantrieb oder auch Keilriemen zu spannen. Die Lagerplatte selbst ist dabei so ausgebildet, daß sie mit einer Bohrung schwenkbar um einen Bolzen gelagert ist und andererseits in einem kreisbogenförmigen Langloch eine Feststellschraube aufnimmt. Die Lagerplatte steht vorzugsweise unter Einwirkung einer Spannfeder. Diese Spannfeder drückt die auf der Lagerplatte befestigte Spannrolle mit einer vorherbestimmten Kraft gegen den zu spannenden Riemen, worauf dann die Lagerplatte mit der Feststellschraube in dieser Position arretiert wird. Bekannte derartige Lagerplatten bestehen aus einer relativ dicken Metallscheibe, die mit den erforderlichen Bohrungen versehen wird und wobei die Spannrolle auf einem Bolzen angeordnet ist, der seinerseits in einer Bohrung der Lagerplatte befestigt ist. Außerdem ist ein weiterer Bolzen in die Lagerplatte eingesetzt, an dem die Spannfeder angreift.The invention relates to a bearing plate for the pivotable mounting of a tensioning roller attached to it. Such Units made up of a bearing plate and a tension pulley attached thereon are used on motor vehicle engines e.g. to tension toothed belts for the camshaft drive or V-belts. The bearing plate itself is designed so that it is pivotably mounted with a bore about a bolt and on the other hand in a Arc-shaped elongated hole receives a locking screw. The bearing plate is preferably under action a tension spring. This tension spring presses the tension roller attached to the bearing plate with a predetermined one Force against the belt to be tensioned, whereupon the bearing plate is locked in this position with the locking screw will. Known such bearing plates consist of a relatively thick metal disc with the required Bores is provided and wherein the tension roller is arranged on a bolt, which in turn is in a Bore of the bearing plate is attached. In addition, another bolt is inserted into the bearing plate on which the Tension spring engages.

Der Erfindung liegt die Aufgabe zugrunde, eine derartige Lagerplatte zu schaffen, die gegenüber den bisher bekannten Platten einfacher und damit billiger herstellbar ist, wo-The invention is based on the object of creating such a bearing plate which, compared to the previously known Panels are easier and therefore cheaper to manufacture, where-

509810/0940509810/0940

PG 1545 - 2 -PG 1545 - 2 -

bei insbesondere eine Vielzahl von Einzelteilen vermieden werden soll.in particular, a large number of items should be avoided.

Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß die aus Blech bestehende Lagerplatte mit einer einstückig angeformten hohlzylindrischen Ausstülpung versehen ist, die die Spannrolle trägt. Es wird also durch diese Ausführung im Gegensatz zu den bekannten Lagerplatten die gesonderte Anbringung eines Bolzens, der die Spannrolle aufnimmt, vermieden. Bei der Herstellung der Lagerplatte aus Blech wird dagegen durch einen einfachen Ziehvorgang die hohlzylindrische Ausstülpung geschaffen, die die Spannrolle trägt.According to the invention, this object is achieved in that the bearing plate made of sheet metal is integral with a molded hollow cylindrical protuberance is provided, which carries the tension roller. So it gets through this execution In contrast to the known bearing plates, the separate attachment of a bolt that receives the tensioning roller is avoided. In the production of the bearing plate from sheet metal, however, the hollow cylindrical one is made by a simple drawing process Protuberance created that carries the tension pulley.

Die Spannrolle kann in bekannter Weise wälzgelagert sein und aus einem Innenlaufring, einem die eigentliche Rolle bildenden Außenlaufring und dazwischen abrollenden Wälzkörpern bestehen. Der Innenring dieser Spannrolle kann in einfachster Weise auf der hohlzylindrischen Ausstülpung der Lagerplatte befestigt sein. Diese Befestigung kann beispielsweise dadurch erfolgen, daß der Innenlaufring nur auf die hohlzylindrische Ausstülpung aufgepreßt ist. Eine zusätzliche Sicherung kann dadurch erzielt werden, daß die hohlzylindrische Ausstülpung an ihrem freien Ende : ir Halterung des Innenlaufringes nach außen gebördelt ist. Außerdem kann eine zusätzliche Versteifung der hohlzylindrischen Ausstülpung dadurch erreicht werden, daß diese an ihrem freien Ende einen geschlossenen Boden aufweist. Schließlich ist es auch möglich, die Platte mit einem im wesentlichen U-förmigen Einschnitt zu versehen und den dadurch begrenzten Lappen rechtwinklig zur Plattenoberfläche herauszubiegen. Dadurch kann in einfachster Weise und ohne zusätzliche Teile ein Anschlag für die auf die Lagerplatte einwirkende Spannfeder geschaffen werden.The tensioning roller can be mounted on roller bearings in a known manner and consists of an inner race, the actual roller forming outer race and rolling elements rolling in between exist. The inner ring of this tensioner pulley can be in be attached in the simplest way on the hollow cylindrical protuberance of the bearing plate. This attachment can for example take place in that the inner race is only pressed onto the hollow cylindrical protuberance. An additional security can be achieved that the hollow cylindrical protuberance at its free end: ir Bracket of the inner race is crimped outwards. In addition, an additional stiffening of the hollow cylindrical Protrusion can be achieved in that it has a closed bottom at its free end. Finally, it is also possible to provide the plate with a substantially U-shaped incision and the thereby bending out the limited flap at right angles to the plate surface. This can be done in the simplest possible way and a stop for the tension spring acting on the bearing plate can be created without additional parts.

In den Zeichnungen sind Ausführungsbeispiele der beschriebenen Erfindung dargestellt. Es zeigen:Exemplary embodiments of the invention described are shown in the drawings. Show it:

509810/0S40509810 / 0S40

PG 1545 - 3 -PG 1545 - 3 -

Fig. 1 die erfindungsgeniäße Lagerplatte in Draufsicht,1 shows the bearing plate according to the invention in a top view,

Fig. 2 einen Schnitt nach Linie II-II der Figur 1,FIG. 2 shows a section along line II-II of FIG. 1,

Fig. 3 einen Schnitt entsprechend Figur 2 mit auf der Lagerplatte angebrachter Spannrolle und3 shows a section corresponding to FIG. 2 with the tensioning roller mounted on the bearing plate and

Fig. 4 eine gegenüber Figur 3 abgewandelte Ausbildung der Lagerplatte.FIG. 4 shows a design of the bearing plate that is modified from FIG. 3.

Die in den Figuren 1 und 2 dargestellte Lagerplatte 1 ist im wesentlichen eben ausgebildet, weist jedoch aus Gründen der Versteifung in ihrem mittleren Bereich eine schalenartige Erhöhung 2 auf. Eine Bohrung 3 dient zur Aufnahme eines Befestigungsbolzens, um den die Lagerplatte 1 schwenkbar ist, während ein kreisbogenförmiges Langloch 4 zur Aufnahme einer Feststellschraube dient.The bearing plate 1 shown in Figures 1 and 2 is essentially flat, but has for reasons the stiffener has a shell-like elevation 2 in its central area. A hole 3 is used for recording a fastening bolt around which the bearing plate 1 can be pivoted, while a circular arc-shaped elongated hole 4 for receiving a locking screw is used.

Daneben ist die Lagerplatte 1 mit einem im wesentlichen U-förmigen Einschnitt 5 versehen und der sich dabei ergebende Lappen 6 ist rechtwinklig zur Plattenoberfläche herausgebogen, um damit einen Angriffspunkt für eine Spannfeder zu bilden.In addition, the bearing plate 1 is provided with a substantially U-shaped incision 5 and the resulting Tab 6 is bent out at right angles to the plate surface in order to provide a point of application for a tension spring to build.

Als wesentliches Erfindungsmerkmal ist die Lagerplatte mit einer einstückig angeformten hohlzylindrischen Ausstülpung 7 versehen, die ausgehend von der Plattenoberfläche einen Bereich 8 mit größerem Durchmesser und daran anschließend einen Bereich 9 mit kleinerem Durchmesser aufweist. The bearing plate is an essential feature of the invention provided with an integrally formed hollow cylindrical protuberance 7, which, starting from the plate surface has a region 8 with a larger diameter and then a region 9 with a smaller diameter.

In den Figuren 3 und 4 ist die beschriebene Lagerplatte mit einer Spannrolle 10 versehen, die aus einem Innenlaufring 11, einem die eigentliche Rolle bildenden Außenlaufring 12 und dazwischen abrollenden Kugeln 13 besteht. Am einen stirnseitigen Ende ist in den Außenlaufring 12 ein Deckel 14 eingesetzt und am anderen Ende ein Ring 15, derIn Figures 3 and 4, the bearing plate described is provided with a tension roller 10, which consists of an inner race 11, an outer race forming the actual role 12 and balls 13 rolling therebetween. At one front end there is an outer race 12 in the outer race Cover 14 used and at the other end a ring 15, the

509810/0940509810/0940

PG 1545 - 4 -PG 1545 - 4 -

zusammen mit dem Bereich 8 der hohlzylindrischen Ausstülpung 7 eine Spaltdichtung bildet.together with the area 8 of the hollow cylindrical protuberance 7 forms a gap seal.

Bei der Ausführung nach Figur 3 ist der Innenlaufring 11 der Spannrolle 10 auf der hohlzylindrischen Ausstülpung 7 dadurch fixiert, daß diese Ausstülpung 7 mit einer Bördelung 16 versehen ist.In the embodiment according to FIG. 3, the inner race is 11 the tension roller 10 is fixed on the hollow cylindrical protuberance 7 in that this protuberance 7 is flanged 16 is provided.

Die Ausführung nach Figur 4 unterscheidet sich von der nach Figur 3 lediglich dadurch, daß der Innenlaufring 11 der Spannrolle 10 auf dem Bereich 9 der hohlzylindrischen Ausstülpung 7 lediglich durch Preßsitz befestigt ist. Eine wesentliche Versteifung der hohlzylindrischen Ausstülpung 7 ist bei dieser Variante dadurch erreicht, daß diese an ihrem freien Ende einen geschlossenen Boden 17 aufweist.The embodiment of Figure 4 differs from that of Figure 3 only in that the inner race 11 of the Tension roller 10 is attached to the area 9 of the hollow cylindrical protuberance 7 only by a press fit. One substantial stiffening of the hollow cylindrical protuberance 7 is achieved in this variant by the fact that it is at its has a closed bottom 17 free end.

50981 0/094050981 0/0940

Claims (6)

AnsprücheExpectations 1,' Lagerplatte zur schwenkbaren Lagerung einer auf ihr be- \y 1, 'bearing plate for pivotable mounting on it a loading \ y festigten Spannrolle, dadurch gekennzeichnet, daß die aus Blech bestehende Lagerplatte mit einer einstückig angeformten hohlzylindrischen Ausstülpung (7) versehen ist, die die Spannrolle (10) trägt.fixed tensioning roller, characterized in that the sheet metal bearing plate is integrally formed with a hollow cylindrical protuberance (7) is provided, which carries the tension roller (10). 2. Lagerplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Spannrolle (10) wälzgelagert ist und aus einem Innenlauf ring (11), einem die eigentliche Rolle bildenden Außenlauf ring (12) und dazwischen abrollenden Wälzkörpern (13) besteht, und daß der Innenlaufring (11) auf der hohlzylindrischen Ausstülpung (7) der Lagerplatte (1) befestigt ist.2. Bearing plate according to claim 1, characterized in that the tensioning roller (10) is roller-mounted and consists of an inner race ring (11), an outer race ring (12) forming the actual roller and rolling elements (13) rolling in between consists, and that the inner race (11) on the hollow cylindrical Protuberance (7) of the bearing plate (1) is attached. 3. Lagerplatte nach Anspruch 2, dadurch gekennzeichnet, daß der Innenlaufring (11) auf die hohlzylindrische Ausstülpung (7) aufgepreßt ist.3. Bearing plate according to claim 2, characterized in that the inner race (11) on the hollow cylindrical protuberance (7) is pressed on. 4. Lagerplatte nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die hohlzylindrische Ausstülpung (7) an ihrem freien Ende zur Halterung des Innenlaufringes (11) mit einer Bördelung (16) versehen ist.4. Bearing plate according to claim 2 or 3, characterized in that the hollow cylindrical protuberance (7) at its free End for holding the inner race (11) with a flange (16) is provided. 5. Lagerplatte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die hohlzylindrische Ausstülpung (7) an ihrem freien Ende einen geschlossenen Boden (17) aufweist.5. Bearing plate according to one of the preceding claims, characterized in that the hollow cylindrical protuberance (7) has a closed bottom (17) at its free end. 6. Lagerplatte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Platte mit einem im wesentlichen U-förmigen Einschnitt (5) versehen und der dadurch begrenzte Lappen (6) rechtwinklig zur Plattenoberfläche herausgebogen ist.6. Bearing plate according to one of the preceding claims, characterized in that the plate with a substantially U-shaped incision (5) provided and the thereby limited flap (6) at right angles to the plate surface is bent out. 5 09810/09405 09810/0940
DE19732343748 1973-08-30 1973-08-30 Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings Ceased DE2343748A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19732343748 DE2343748A1 (en) 1973-08-30 1973-08-30 Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings
US05/495,304 US3950046A (en) 1973-08-30 1974-08-07 Bearing plate
FR7428680A FR2242596B1 (en) 1973-08-30 1974-08-21
BR7208/74A BR7407208D0 (en) 1973-08-30 1974-08-29 SUPPORT SHOE IMPROVEMENTS FOR ARTICULATED SUPPORT OF A STRETCHING PULLE FIXED TO THAT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732343748 DE2343748A1 (en) 1973-08-30 1973-08-30 Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings

Publications (1)

Publication Number Publication Date
DE2343748A1 true DE2343748A1 (en) 1975-03-06

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DE19732343748 Ceased DE2343748A1 (en) 1973-08-30 1973-08-30 Flexibly located tension roller on bearing plate - is contained in one-piece protrusion and runs on roller bearings

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DE (1) DE2343748A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10220009A1 (en) * 2002-05-03 2003-11-13 Skf Ab Sheet metal bearing plate has two bearing sleeves made by mechanical shaping, wall thickness of sleeves in area between them being thicker than over remainder of their circumference
DE10220010A1 (en) * 2002-05-03 2003-11-13 Skf Ab Sheet metal bearing plate has sleeve with circular cross-section for mounting rotating shaft, and second sleeve with half-moon shape for mounting stationary shaft
WO2004053358A1 (en) * 2002-12-07 2004-06-24 Ina-Schaeffler Kg Tensioning device for an internal combustion engine
DE102004025738A1 (en) * 2004-05-26 2006-01-05 Ina-Schaeffler Kg Connection arrangement between caster and clamping fixture used in drive system of motor vehicle, has bearing journal formed in conical tapered shape, ensuring positive connection between antifriction bearing and bearing journal
WO2006117140A2 (en) 2005-05-03 2006-11-09 Schaeffler Kg Connecting arrangement between a roller and clamping device
DE102005059582A1 (en) * 2005-12-14 2007-06-21 Schaeffler Kg Tensioning unit for belt, toothed-belt or chain drive has fixing point for tensioning roller and tensioning and/or damping element with fixing axis made in one with carrier
DE102006035756A1 (en) * 2006-08-01 2008-02-28 Schaeffler Kg Deflection roller device for use as tensioning roller for belt drive of internal-combustion engine i.e. motor vehicle engine, has connection arrangement with insertion pin unit and retaining opening section formed in supporting structure
DE102017222208B3 (en) 2017-12-07 2019-04-18 Daniel Basener Computed tomography device with a three-point ball bearing and method for arranging a bearing ring of a rolling bearing

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10220009A1 (en) * 2002-05-03 2003-11-13 Skf Ab Sheet metal bearing plate has two bearing sleeves made by mechanical shaping, wall thickness of sleeves in area between them being thicker than over remainder of their circumference
DE10220010A1 (en) * 2002-05-03 2003-11-13 Skf Ab Sheet metal bearing plate has sleeve with circular cross-section for mounting rotating shaft, and second sleeve with half-moon shape for mounting stationary shaft
DE10220010B4 (en) * 2002-05-03 2010-10-07 Ab Skf Support plate made of sheet metal
DE10220009B4 (en) * 2002-05-03 2011-03-10 Ab Skf Support plate made of sheet metal for fixing or supporting axles or shafts
WO2004053358A1 (en) * 2002-12-07 2004-06-24 Ina-Schaeffler Kg Tensioning device for an internal combustion engine
US7204773B2 (en) 2002-12-07 2007-04-17 Ina-Schaeffler Kg Tensioning device for an internal combustion engine
DE102004025738A1 (en) * 2004-05-26 2006-01-05 Ina-Schaeffler Kg Connection arrangement between caster and clamping fixture used in drive system of motor vehicle, has bearing journal formed in conical tapered shape, ensuring positive connection between antifriction bearing and bearing journal
WO2006117140A2 (en) 2005-05-03 2006-11-09 Schaeffler Kg Connecting arrangement between a roller and clamping device
WO2006117140A3 (en) * 2005-05-03 2007-03-22 Schaeffler Kg Connecting arrangement between a roller and clamping device
DE102005059582A1 (en) * 2005-12-14 2007-06-21 Schaeffler Kg Tensioning unit for belt, toothed-belt or chain drive has fixing point for tensioning roller and tensioning and/or damping element with fixing axis made in one with carrier
DE102006035756A1 (en) * 2006-08-01 2008-02-28 Schaeffler Kg Deflection roller device for use as tensioning roller for belt drive of internal-combustion engine i.e. motor vehicle engine, has connection arrangement with insertion pin unit and retaining opening section formed in supporting structure
DE102017222208B3 (en) 2017-12-07 2019-04-18 Daniel Basener Computed tomography device with a three-point ball bearing and method for arranging a bearing ring of a rolling bearing

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