DE10123965B4 - needle roller bearings - Google Patents
needle roller bearings Download PDFInfo
- Publication number
- DE10123965B4 DE10123965B4 DE10123965A DE10123965A DE10123965B4 DE 10123965 B4 DE10123965 B4 DE 10123965B4 DE 10123965 A DE10123965 A DE 10123965A DE 10123965 A DE10123965 A DE 10123965A DE 10123965 B4 DE10123965 B4 DE 10123965B4
- Authority
- DE
- Germany
- Prior art keywords
- outer ring
- needle
- roller bearings
- needle roller
- thrust washer
- 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.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16C33/30—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
- F16C33/605—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings with a separate retaining member, e.g. flange, shoulder, guide ring, secured to a race ring, adjacent to the race surface, so as to abut the end of the rolling elements, e.g. rollers, or the cage
-
- 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
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/30—Material joints
- F16C2226/36—Material joints by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Nadellager (1) mit einem dünnwandigen spanlos geformten Außenring (2) und einem darin angeordneten, aus einem Käfig (4) und Lagernadeln (3) bestehenden Nadelkranz, sowie Mitteln, die ein Herauswandern des Nadelkranzes aus dem Außenring (2) verhindern, wobei der Außenring (2) nur an einer Seite mit einem radial nach innen gerichteten Bord (11) versehen ist, während an der gegenüberliegenden bordlosen Seite wenigstens an einer Umfangsstelle ein radial nach außen gebogener Lappen (6) angeordnet ist, an dem ein korrespondierender Vorsprung (7, 8) einer kreisringartigen Anlaufscheibe (5) anliegt, wobei Lappen (6) und Vorsprung (7, 8) miteinander verbunden sind, dadurch gekennzeichnet, dass Lappen (6) und Vorsprung (8) durch eine aufgesteckte Kappe (9) miteinander verbunden sind.needle roller bearings (1) with a thin-walled non-cutting shaped outer ring (2) and arranged therein, of a cage (4) and bearing needles (3) existing Nadelkranz, as well as means, which a migration of the Needle ring from the outer ring (2) prevent the outer ring (2) only on one side with a radially inboard board (11) while at the opposite bordlosen side at least at a circumferential location a radially to Outside bent flap (6) is arranged, on which a corresponding Projection (7, 8) abuts an annular thrust washer (5), wherein tabs (6) and projections (7, 8) are connected to each other, characterized in that tab (6) and projection (8) by an attached cap (9) are interconnected.
Description
Anwendungsgebiet der Erfindungfield of use the invention
Die Erfindung betrifft ein Nadellager nach den Oberbegriffen der beiden unabhängigen Ansprüche 1 und 3.The The invention relates to a needle bearing according to the preambles of the two independent claims 1 and 3.
Hintergrund der Erfindungbackground the invention
Derartige Nadellager, die als Nadelhülsen oder als Nadelbüchsen ausgebildet sind, sind Wälzlager, deren Außenringe und Käfige spanlos hergestellt sind. Diese Lager ermöglichen besonders preiswerte Wälzlagerungen mit hoher Tragfähigkeit, wobei besonders ihre geringe radiale Bauhöhe hervorsticht. Zur vollen Ausnutzung der vollen Tragfähigkeit ist jedoch eine ausreichend starre Unterstützung der dünnwandigen Lageraußenringe erforderlich, dass heißt, die Lageraußenringe werden in Gehäusebohrungen eingepresst und nehmen so ihre kreisrunde Endform an. Derartige Nadellager sind schon seit langem vorbekannt und beispielsweise im INA-Wälzlagerkatalog Nr. 307 auf den Seiten 116 bis 119 beschrieben.such Needle roller bearings, as needle sleeves or as needle rifles are formed are rolling bearings, their outer rings and cages are produced without cutting. These bearings allow very inexpensive Rolling Bearing with high load capacity, especially their low radial height stands out. To the full Utilization of the full load capacity However, a sufficiently rigid support of thin-walled bearing outer rings required, that is, the bearing outer rings be in housing bores pressed in and thus assume their circular shape. such Needle roller bearings have long been known and, for example in the INA rolling bearing catalog No. 307 on pages 116 to 119.
Bei solchen Nadellagern besteht nun die Gefahr, dass sie im Betrieb versuchen, aus dem Gehäuse herauszuwandern. Dies trifft besonders immer dann zu, wenn die Nadellager in Leichtmetallgehäuse eingepresst werden. Aluminium und Magnesium weisen einen thermischen Ausdehnungskoeffizienten auf, der den von Stahl um mehr als das Doppelte übersteigt. Dies bedeutet, bei Temperaturerhöhung nimmt die Aufnahmebohrung in ihrem Durchmesser im Leichtmetallgehäuse schneller zu als sich der Durchmesser des Nadellagers vergrößert.at Such needle bearings now run the risk of being in operation try out of the case migrate out. This is especially true when the needle roller bearings in light metal housing be pressed. Aluminum and magnesium have a thermal Coefficient of expansion to that of steel by more than that Double exceeds. This means when temperature increases the receiving bore in diameter in the light metal housing faster to as the diameter of the needle bearing increases.
Dem hat man nach dem bisherigen Stand der Technik dadurch abzuhelfen versucht, indem man den Außenring an einer Seite mit einem radial nach außen gerichteten Flansch versieht, der ein Verdrehen des Lagers im Gehäuse verhindern soll. Aus fertigungstechnischen Gründen ist es aber nur schwer möglich, an dieser Stelle gleichzeitig einen radial nach innen gerichteten Bord anzubringen, der ein Herauswandern des Nadelkranzes aus dem Außenring verhindert. Aus diesem Grunde war man gezwungen, den Lagerkäfig an einer Seite mit radial nach außen gerichteten Haltenasen zu versehen, die den Bord des Außenringens umfassen. Eine solche Ausbildung des Käfigs ist zwar günstig für Transport und Montage, aber ungünstig für den Lagerbetrieb, weil bei Auftreten von axialen Kräften die Käfignasen brechen.the one has to remedy this in the prior art tried by putting the outer ring provides on one side with a radially outwardly directed flange, to prevent twisting of the bearing in the housing. From production engineering establish but it is difficult at the same time a radially inward at this point Board to mount, which is a wandering out of the needle ring from the outer ring prevented. For this reason, one was forced to the storage cage at one Side with radially outward directed retaining lugs to provide the board of the outer ring include. Such a design of the cage is favorable for transport and Assembly, but unfavorable for the Bearing operation, because the occurrence of axial forces break the cage lugs.
In
diesem Zusammenhang ist aus der
Aus
der
Zusammenfassung der ErfindungSummary the invention
Der Erfindung liegt daher die Aufgabe zu Grunde, ein Nadellager so zu verbessern, dass es fertigungstechnisch einfach herstellbar und einen zuverlässigen Lauf ermöglicht, insbesondere wenn es in Leichtmetallgehäusen eingepreßt ist und bei hohen Temperaturen läuft.Of the The invention is therefore based on the object, a needle bearing so improve that it is easy to manufacture and manufacture a reliable one Allows running, especially when it is pressed into light metal housings and running at high temperatures.
Erfindungsgemäß wird diese Aufgabe nach dem kennzeichnenden Teil von Anspruch 1 dadurch gelöst, dass Lappen und Vorsprung durch eine aufgesteckte Kappe miteinander verbunden sind, wobei nach Anspruch 2 die Kappe aus Blech oder aus einem Kunststoff gefertigt ist.According to the invention this Problem according to the characterizing part of claim 1 solved by that Flap and projection connected by an attached cap are, according to claim 2, the cap made of sheet metal or of a plastic is made.
Durch die erfindungsgemäße Gestaltung der Lagerbaueinheit werden die beiden Funktionen Verdrehsicherung des Lagers und ein sicherer axialer Anlauf des Käfigs in vorteilhafter Weise vereinigt. Der oder die radial nach außen gestellten Lappen des Außenringes liegen in passenden Nuten in der Gehäusebohrung an und verhindern ein Verdrehen des Lagers im Gehäuse. Die mit den ausgestellten Lappen verbundene kreisringartige Anlaufscheibe wiederum verhindert ein Herausgleiten des Nadelkranzes aus dem Außenring.By the inventive design The bearing assembly are the two functions anti-rotation the bearing and a safe axial start-up of the cage in an advantageous manner united. The one or more radially outward lobes of the outer ring lie in matching grooves in the housing bore and prevent a rotation of the bearing in the housing. The connected with the flared lobes annular thrust washer in turn prevents the needle ring from sliding out of the outer ring.
Die Aufgabe der Erfindung kann nach dem kennzeichnenden Teil des zweiten unabhängigen Anspruchs 3 auch dadurch gelöst werden, dass die Anlaufscheibe drei in Umfangsrichtung gleichmäßig voneinander beabstandete Vorsprünge aufweist, wobei eine Ausnehmung des Außenringes in axialer Richtung geschlossen und die beiden anderen offen sind und dass die offenen Ausnehmungen aus zwei in Umfangsrichtung zueinander versetzten Bereichen bestehen.The The object of the invention may according to the characterizing part of the second independent claim 3 also solved be that the thrust washer three in the circumferential direction evenly from each other spaced projections having a recess of the outer ring in the axial direction closed and the other two are open and that the open one Recesses consist of two mutually offset in the circumferential direction areas.
Schließlich soll nach einem letzten Merkmal gemäß Anspruch 4 der Außenring anstelle des Bordes mit einem geschlossenen Boden versehen sein, dass heißt, die an beiden Seiten offene Nadelhülse ist nunmehr als eine geschlossene Nadelbüchse ausgebildet.Finally, according to a last feature of claim 4, the outer ring should be provided instead of the board with a closed bottom, that is, the needle sleeve open on both sides is now considered a closed needle bushing educated.
Die Erfindung wird an nachstehenden Ausführungsbeispielen näher erläutert.The Invention will be explained in more detail in the following embodiments.
Kurze Beschreibung der ZeichnungenShort description the drawings
Es zeigen:It demonstrate:
Es
sei an dieser Stelle ausdrücklich
darauf hingewiesen, dass durch die innerhalb des Prüfungsverfahrens
eingeschränkte
Anspruchsfassung die
Ausführliche Beschreibung der ZeichnungenFull Description of the drawings
Das
in den
Wie
Gemäß den
Das
in
Das
in den
- 11
- Nadellagerneedle roller bearings
- 22
- Außenringouter ring
- 33
- Lagernadelbearing needle
- 44
- Lagerkäfigbearing cage
- 55
- Anlaufscheibethrust washer
- 66
- Lappencloth
- 77
- Vorsprunghead Start
- 88th
- Vorsprunghead Start
- 99
- Kappecap
- 1010
- Nadellagerneedle roller bearings
- 1111
- Bordshelf
- 1212
- Ausnehmungrecess
- 12.112.1
- BereichArea
- 12.212.2
- BereichArea
- 1313
- Anlaufscheibethrust washer
- 1414
- Schlitzslot
- 1515
- Vorsprunghead Start
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10123965A DE10123965B4 (en) | 2001-05-17 | 2001-05-17 | needle roller bearings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10123965A DE10123965B4 (en) | 2001-05-17 | 2001-05-17 | needle roller bearings |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10123965A1 DE10123965A1 (en) | 2002-11-21 |
DE10123965B4 true DE10123965B4 (en) | 2007-03-15 |
Family
ID=7685092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10123965A Expired - Fee Related DE10123965B4 (en) | 2001-05-17 | 2001-05-17 | needle roller bearings |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10123965B4 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203828A1 (en) | 2014-03-03 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Easy to assemble rolling bearing |
DE102014203827A1 (en) | 2014-03-03 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Easy to assemble rolling bearing |
DE102018114240A1 (en) | 2018-06-14 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | roller bearing |
DE102018114638A1 (en) | 2018-06-19 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | Radial-axial bearings |
DE102018114747A1 (en) | 2018-06-20 | 2019-12-24 | Schaeffler Technologies AG & Co. KG | roller bearing |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011088868A1 (en) | 2011-12-16 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Radial roller bearing arrangement, in particular for a needle sleeve |
DE102012207927B4 (en) | 2012-05-11 | 2016-07-07 | Schaeffler Technologies AG & Co. KG | Rolling bearing assembly, in particular for a radial rolling bearing |
DE102014217168A1 (en) | 2014-08-28 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Needle bearing with a cage and a retaining lug formed on the cage |
DE102015011072B4 (en) * | 2015-07-14 | 2017-07-06 | Sew-Eurodrive Gmbh & Co Kg | Gearbox with thrust washer for axial securing of rolling elements of a bearing |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2625450A (en) * | 1951-02-20 | 1953-01-13 | Taylor Winfield Corp | Roller bearing |
DE1830660U (en) * | 1961-02-23 | 1961-05-04 | Skf Kugellagerfabriken Gmbh | ROLLER BEARING WITH INSERTED ROLLING BOARDS. |
DE1981044U (en) * | 1967-10-25 | 1968-03-14 | Duerkoppwerke | NEEDLE BEARING WITH THIN-WALLED OUTER RING SLEEVE. |
DE1425083A1 (en) * | 1961-05-02 | 1969-03-06 | Alfred Pitner | Combined radial and axial roller bearing |
US3710471A (en) * | 1970-04-08 | 1973-01-16 | Nadella | Method of making a composite bearing ring |
FR2451498A1 (en) * | 1979-03-16 | 1980-10-10 | Chrysler France | Rack mounting for steering gear of automobile - uses sleeve to cage upper journal rollers in housing inlet having flange forming axial check |
DE3306522A1 (en) * | 1982-03-01 | 1983-09-15 | The Torrington Co., 06790 Torrington, Conn. | Roller bearing and a manufacturing process for the latter |
EP0936369A2 (en) * | 1998-02-10 | 1999-08-18 | Tok Bearing Co., Ltd. | Flanged ball bearing |
-
2001
- 2001-05-17 DE DE10123965A patent/DE10123965B4/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2625450A (en) * | 1951-02-20 | 1953-01-13 | Taylor Winfield Corp | Roller bearing |
DE1830660U (en) * | 1961-02-23 | 1961-05-04 | Skf Kugellagerfabriken Gmbh | ROLLER BEARING WITH INSERTED ROLLING BOARDS. |
DE1425083A1 (en) * | 1961-05-02 | 1969-03-06 | Alfred Pitner | Combined radial and axial roller bearing |
DE1981044U (en) * | 1967-10-25 | 1968-03-14 | Duerkoppwerke | NEEDLE BEARING WITH THIN-WALLED OUTER RING SLEEVE. |
US3710471A (en) * | 1970-04-08 | 1973-01-16 | Nadella | Method of making a composite bearing ring |
FR2451498A1 (en) * | 1979-03-16 | 1980-10-10 | Chrysler France | Rack mounting for steering gear of automobile - uses sleeve to cage upper journal rollers in housing inlet having flange forming axial check |
DE3306522A1 (en) * | 1982-03-01 | 1983-09-15 | The Torrington Co., 06790 Torrington, Conn. | Roller bearing and a manufacturing process for the latter |
EP0936369A2 (en) * | 1998-02-10 | 1999-08-18 | Tok Bearing Co., Ltd. | Flanged ball bearing |
Non-Patent Citations (2)
Title |
---|
DE-Katalog, "Nadellager, Zylinderrollenlager Katalog 307, Fa. INA S.116-119, März 1997 * |
JP 10274242 A.,In: Patent Abstracts of Japan * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014203828A1 (en) | 2014-03-03 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Easy to assemble rolling bearing |
DE102014203827A1 (en) | 2014-03-03 | 2015-09-03 | Schaeffler Technologies AG & Co. KG | Easy to assemble rolling bearing |
WO2015131865A1 (en) | 2014-03-03 | 2015-09-11 | Schaeffler Technologies AG & Co. KG | Easy-to-assemble rolling bearing |
DE102018114240A1 (en) | 2018-06-14 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | roller bearing |
WO2019238153A1 (en) | 2018-06-14 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | Roller bearing |
DE102018114638A1 (en) | 2018-06-19 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | Radial-axial bearings |
WO2019242790A1 (en) | 2018-06-19 | 2019-12-26 | Schaeffler Technologies AG & Co. KG | Radial-axial rolling bearing |
DE102018114747A1 (en) | 2018-06-20 | 2019-12-24 | Schaeffler Technologies AG & Co. KG | roller bearing |
WO2019242797A1 (en) | 2018-06-20 | 2019-12-26 | Schaeffler Technologies AG & Co. KG | Rolling bearing |
Also Published As
Publication number | Publication date |
---|---|
DE10123965A1 (en) | 2002-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: SCHAEFFLER KG, 91074 HERZOGENAURACH, DE |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |