JP2000170754A - Cross roller bearing - Google Patents
Cross roller bearingInfo
- Publication number
- JP2000170754A JP2000170754A JP10342403A JP34240398A JP2000170754A JP 2000170754 A JP2000170754 A JP 2000170754A JP 10342403 A JP10342403 A JP 10342403A JP 34240398 A JP34240398 A JP 34240398A JP 2000170754 A JP2000170754 A JP 2000170754A
- Authority
- JP
- Japan
- Prior art keywords
- plug
- diameter portion
- insertion hole
- roller
- roller insertion
- 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.)
- Pending
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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or 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
- 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
- F16C19/36—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 a single row of rollers
- F16C19/361—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 a single row of rollers with cylindrical rollers
- F16C19/362—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 a single row of rollers with cylindrical rollers the rollers being crossed within the single row
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、クロスローラベア
リングに関するものであり、特に、外輪にコロ挿入孔を
形成して、この挿入孔を通じてコロを挿入する構造のク
ロスローラベアリングに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cross roller bearing, and more particularly, to a cross roller bearing having a structure in which a roller insertion hole is formed in an outer ring and a roller is inserted through the insertion hole.
【０００２】[0002]
【従来の技術】クロスローラベアリングとしては、外輪
にコロ挿入孔を形成して、この挿入孔を通じて、内輪及
び外輪の間に形成されている環状の軌道内にコロを挿入
する構造のものが知られている。挿入後は、前記コロ挿
入孔に栓をして、コロを軌道内に封入し、コロ挿入孔か
ら栓が抜けないようにするために、外輪の円環状端面の
側から、コロ挿入孔に挿入された栓を貫通させてピンを
打ちつけるようにしている。2. Description of the Related Art As a cross roller bearing, there is known a structure in which a roller insertion hole is formed in an outer ring, and a roller is inserted into an annular track formed between the inner ring and the outer ring through the insertion hole. Have been. After insertion, the roller insertion hole is plugged, the roller is sealed in the track, and inserted into the roller insertion hole from the side of the annular end surface of the outer ring to prevent the plug from coming out of the roller insertion hole. A pin is struck by penetrating the provided stopper.
【０００３】[0003]
【発明が解決しようとする課題】また、上述した構造の
ものは、栓からの油漏れを防ぐために、コロ挿入孔の内
壁面と栓との間にＯリング等のシール材を介装する必要
があった。しかしながら、栓は、シール材を装着した状
態でコロ挿入孔に嵌合させるが、このコロ挿入孔が断面
円形のシール材の外径とほぼ同径のストレートな孔であ
るために、シール材を、ピンよりも内輪寄りに介装させ
た場合、栓挿入時に、シール材が、ピン孔にひっかかた
りして、傷つくおそれがあった。In the above-mentioned structure, in order to prevent oil leakage from the stopper, it is necessary to interpose a sealing material such as an O-ring between the inner wall surface of the roller insertion hole and the stopper. was there. However, the stopper is fitted into the roller insertion hole with the sealing material attached, but since the roller insertion hole is a straight hole having substantially the same diameter as the outer diameter of the sealing material having a circular cross section, the sealing material is inserted. If the pin is inserted closer to the inner ring than the pin, when the plug is inserted, the sealing material may be scratched by the pin hole and may be damaged.
【０００４】また、シール材をピンよりも外輪の外周面
寄りに介装させた場合、ピン孔から油漏れが発生するお
それがあった。この場合、ピンにシール材を装着する方
法も考えられるが、ピン孔とコロ挿入孔とが交わった部
分に、コロ挿入時のグリスが付着しており、このグリス
の脱脂が困難であるため、良い方法とはいえなかった。[0004] Further, when the sealing material is interposed closer to the outer peripheral surface of the outer ring than the pin, oil leakage may occur from the pin hole. In this case, a method of attaching a seal material to the pin is also conceivable.However, grease at the time of roller insertion is attached to a portion where the pin hole and the roller insertion hole intersect, and it is difficult to degrease the grease. It was not a good way.
【０００５】そこで、本発明では、コロ挿入孔に栓を挿
入する際に、シール材を傷つけることなく、スムーズに
栓を挿入することができて、栓からの油漏れを防ぐこと
ができるクロスローラベアリングを提供することを目的
とする。Therefore, according to the present invention, when inserting a plug into the roller insertion hole, the plug can be inserted smoothly without damaging the sealing material, and oil leakage from the plug can be prevented. The purpose is to provide bearings.
【０００６】[0006]
【課題を解決するための手段】本発明は、外輪に形成し
たコロ挿入孔がシール材を介して栓によって封鎖されて
いるクロスローラベアリングにおいて、次のような構造
である。The present invention has the following structure in a cross roller bearing in which a roller insertion hole formed in an outer ring is closed by a plug via a seal material.
【０００７】まず、コロ挿入孔は、栓のはめ込み方向に
沿って大径部分および小径部分が形成された段付き形状
をしており、小径部分と栓の間にシール材が装着されて
いる。First, the roller insertion hole has a stepped shape in which a large-diameter portion and a small-diameter portion are formed along the plug insertion direction, and a sealing material is mounted between the small-diameter portion and the plug.
【０００８】また、この状態で、コロ挿入孔の大径部分
の内径寸法は、装着前のシール材の外径寸法以上の値で
ある。In this state, the inner diameter of the large-diameter portion of the roller insertion hole is equal to or larger than the outer diameter of the sealing material before mounting.
【０００９】さらに、コロ挿入孔にはめ込まれた前記栓
を貫通して延びるピンを有しており、ピンを通すための
ピン孔は、大径部分に形成されている。[0009] Further, the plug has a pin extending through the stopper inserted into the roller insertion hole, and the pin hole for passing the pin is formed in a large diameter portion.
【００１０】しかも、大径部分と小径部分がテーパー面
によって連続している。In addition, the large diameter portion and the small diameter portion are continuous by the tapered surface.
【００１１】このように、本発明のクロスローラベアリ
ングによれば、栓挿入時に、栓の抜け止め用ピンをうち
こむピン孔に、シール材が接触することがなく、スムー
ズに挿入できるので、シール材が傷つく心配がない。ま
た、コロ挿入孔の内壁面にテーパー部が形成されている
ので、シール材をテーパー面にそって容易に挿入するこ
とができる。さらに、シール材が、ピン孔よりも内輪寄
りに装着されているので、ピン孔より油漏れが生じるお
それがない。As described above, according to the cross roller bearing of the present invention, when the plug is inserted, the sealing material can be smoothly inserted without contacting the pin hole into which the stopper retaining pin is inserted. There is no worry about the material being damaged. Further, since the tapered portion is formed on the inner wall surface of the roller insertion hole, the sealing material can be easily inserted along the tapered surface. Furthermore, since the seal member is mounted closer to the inner ring than the pin hole, there is no possibility that oil leaks from the pin hole.
【００１２】[0012]
【発明の実施の形態】以下に、図面を参照して、本発明
を適用したクロスローラベアリングを説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cross roller bearing to which the present invention is applied will be described below with reference to the drawings.
【００１３】図１と図２は、本発明のクロスローラベア
リングの実施の一形態を示している。このクロスローラ
ベアリング１は、外輪２と、内輪３と、これらの間に形
成されている円環状の軌道４に装着されている複数個の
コロ１５と、を有している。FIGS. 1 and 2 show an embodiment of a cross roller bearing according to the present invention. The cross roller bearing 1 includes an outer ring 2, an inner ring 3, and a plurality of rollers 15 mounted on an annular track 4 formed therebetween.
【００１４】外輪２の内周面２ａには、内方に向かって
開口するＶ字状の円周溝５が形成されており、この円周
溝５の両側面が一対の軌道面２０、２１とされている。
同様に、内輪３の外周面３ａには、外方に向かって開口
するＶ字状の円周溝６が形成されており、この円周溝６
の両側面が一対の軌道面２２、２３とされている。これ
ら２対の軌道面２０、２１と２２、２３とによって軌道
４が規定されている。A V-shaped circumferential groove 5 which opens inward is formed on the inner circumferential surface 2a of the outer ring 2, and both side surfaces of the circumferential groove 5 are formed by a pair of raceway surfaces 20, 21. It has been.
Similarly, a V-shaped circumferential groove 6 that opens outward is formed on the outer peripheral surface 3 a of the inner ring 3.
Are formed as a pair of track surfaces 22 and 23. The track 4 is defined by these two pairs of track surfaces 20, 21 and 22, 23.
【００１５】また、外輪２の軸方向の一端には座ぐり部
２ｃが形成されている。そして、この座ぐり部２ｃには
オイルシール７が嵌合され、取付けられている。このオ
イルシール７は、外輪２と内輪３の間の軌道４の一端を
シールして、ベアリング１内部に充填された油の流出を
防ぐとともに、外部からの塵埃等の侵入を阻止する。な
お、軌道４の他端側は開放されており、この部分を通じ
て、ベアリング１内に新しい油の補給が行われる。A counterbore 2c is formed at one end of the outer race 2 in the axial direction. An oil seal 7 is fitted and attached to the counterbore 2c. The oil seal 7 seals one end of the raceway 4 between the outer ring 2 and the inner ring 3 to prevent the oil filled in the bearing 1 from flowing out and to prevent intrusion of dust and the like from the outside. The other end of the track 4 is open, and new oil is supplied into the bearing 1 through this portion.
【００１６】さらに、外輪２には、外周面２ｂから軌道
４に到る半径方向に延びるコロ挿入孔８が段付き状に形
成されており、このコロ挿入孔８には、栓９が嵌合され
ている。しかも、このコロ挿入孔８の内壁面と栓９との
間にＯリング等のシールリング１１が介装されている。Further, a roller insertion hole 8 extending in a radial direction from the outer peripheral surface 2b to the track 4 is formed in the outer race 2 in a stepped shape, and a stopper 9 is fitted into the roller insertion hole 8. Have been. In addition, a seal ring 11 such as an O-ring is interposed between the inner wall surface of the roller insertion hole 8 and the plug 9.
【００１７】具体的には、コロ挿入孔８は、外輪２の外
周面２ｂの側から、栓９のはめ込み方向に沿って大径部
分８ａと小径部分８ｂとが形成されている。しかも、大
径部分８ａと小径部分８ｂの間の内壁面はテーパー状と
されている。Specifically, the roller insertion hole 8 has a large-diameter portion 8a and a small-diameter portion 8b formed from the outer peripheral surface 2b side of the outer race 2 along the fitting direction of the plug 9. Moreover, the inner wall surface between the large diameter portion 8a and the small diameter portion 8b is tapered.
【００１８】また、栓９は、コロ挿入孔８と相補的な形
状をしており、大径部分９ａと小径部分９ｂとからなっ
ている。さらに、小径部分９ｂは栓９の外端面寄りに、
周方向の環状溝１０が形成されており、シールリング１
１がはめ込まれている。しかも、栓９の内端面には、外
輪２のＶ字状の円周溝５と対応するＶ字状の溝１６が形
成されている。この溝１６は、栓９をコロ挿入孔８に嵌
合させた際に、コロ１５の外周面と密接する。The plug 9 has a shape complementary to the roller insertion hole 8, and includes a large-diameter portion 9a and a small-diameter portion 9b. Further, the small-diameter portion 9b is located near the outer end face of the plug 9,
A circumferential annular groove 10 is formed, and the seal ring 1
One is inset. In addition, a V-shaped groove 16 corresponding to the V-shaped circumferential groove 5 of the outer ring 2 is formed on the inner end surface of the plug 9. The groove 16 comes into close contact with the outer peripheral surface of the roller 15 when the stopper 9 is fitted into the roller insertion hole 8.
【００１９】また、外輪２と栓９には、栓９の抜け止め
用のピン１２を打ち込むためのピン孔１３、１４が、そ
れぞれの大径部分８ａ、９ａに、外輪２の軸方向に形成
されている。しかも、図１に示したように、栓９をコロ
挿入孔８に嵌合させた際に、このピン孔１３、１４は、
連続状になる。The outer ring 2 and the stopper 9 are provided with pin holes 13 and 14 for driving a pin 12 for retaining the stopper 9 in the large diameter portions 8a and 9a, respectively, in the axial direction of the outer ring 2. Have been. Moreover, as shown in FIG. 1, when the stopper 9 is fitted into the roller insertion hole 8, the pin holes 13 and 14
It becomes continuous.
【００２０】また、コロ挿入孔８の大径部分８ａの内径
寸法は、栓９に取り付けられる前のシールリング１１の
外径寸法以上の値であり、コロ挿入孔８に栓９をはめ込
む際に、シールリング１１がピン孔１３に接触して傷つ
くことを防止する。しかも、シールリング１１は、ピン
孔１３、１４よりも内輪３寄りに装着され、ピン孔１
３、１４からの油漏れを防ぐ。The inner diameter of the large diameter portion 8a of the roller insertion hole 8 is equal to or larger than the outer diameter of the seal ring 11 before being attached to the stopper 9, and when the stopper 9 is fitted into the roller insertion hole 8, This prevents the seal ring 11 from being damaged by contact with the pin hole 13. Moreover, the seal ring 11 is mounted closer to the inner ring 3 than the pin holes 13 and 14, and
Prevent oil leakage from 3 and 14.
【００２１】次に、クロスローラベアリング１の組立方
法について説明する。Next, a method of assembling the cross roller bearing 1 will be described.
【００２２】まず、図２に示したように、外輪２と内輪
３を、それぞれの円周溝５、６を互いに対向するように
組んで軌道４を形成し、コロ１５を挿入する。次に、環
状溝１０に、シールリング１１をはめこんだ栓９を、矢
印Ａ方向から、コロ挿入孔８に嵌合させる。すると、図
１に示したように、シールリング１１が弾性変形して、
コロ挿入孔８の内壁面に圧接し、密着する。その後、栓
９の抜け止め用ピン１２を、ピン孔１３、１４に矢印Ｂ
方向にうちこんで、クロスローラベアリング１の組立が
完了する。First, as shown in FIG. 2, the outer race 2 and the inner race 3 are assembled so that the respective circumferential grooves 5, 6 are opposed to each other to form the track 4, and the roller 15 is inserted. Next, the plug 9 in which the seal ring 11 is fitted into the annular groove 10 is fitted into the roller insertion hole 8 from the direction of arrow A. Then, as shown in FIG. 1, the seal ring 11 is elastically deformed,
The inner wall surface of the roller insertion hole 8 is pressed into contact with the inner wall surface. Thereafter, the stopper pin 12 of the stopper 9 is inserted into the pin holes 13 and 14 by arrows B.
As a result, the assembly of the cross roller bearing 1 is completed.
【００２３】なお、シールリング１１は、Ｏリング以外
のものでもよい。The seal ring 11 may be other than an O-ring.
【００２４】[0024]
【発明の効果】以上説明したように、本発明のクロスロ
ーラベアリングによれば、栓挿入時に、栓を抜け止めす
るピンをうちこむピン孔に、シールリングが接触するこ
とがなく、スムーズに挿入できるので、シールリングが
傷つく心配がない。As described above, according to the cross roller bearing of the present invention, when the plug is inserted, the seal ring does not come into contact with the pin hole into which the pin for retaining the plug is inserted, so that the plug is smoothly inserted. There is no worry that the seal ring will be damaged.
【００２５】また、コロ挿入孔の内壁面にテーパー面が
形成されているので、シールリングをこのテーパー面に
そって容易に挿入することができる。さらに、シールリ
ングが、ピン孔よりも内輪寄りに介装されているので、
ピン孔より油漏れが生じるおそれがない。Also, since the inner wall surface of the roller insertion hole has a tapered surface, the seal ring can be easily inserted along the tapered surface. Furthermore, since the seal ring is interposed closer to the inner ring than the pin hole,
There is no risk of oil leakage from the pin hole.
【図１】本発明のクロスローラベアリングの実施の一形
態を示す断面側面図である。FIG. 1 is a cross-sectional side view showing one embodiment of a cross roller bearing of the present invention.
【図２】本発明のクロスローラベアリングの組立方法を
示す説明図である。FIG. 2 is an explanatory view showing a method of assembling a cross roller bearing according to the present invention.
１ クロスローラベアリング ２ 外輪 ２ａ 内周面 ２ｂ 外周面 ３ 内輪 ３ａ 外周面 ４ 軌道 ８ コロ挿入孔 ８ａ 大径部分 ８ｂ 小径部分 ９ 栓 １１ シールリング １２ ピン １３ ピン孔 １４ ピン孔 １５ コロ DESCRIPTION OF SYMBOLS 1 Cross roller bearing 2 Outer ring 2a Inner peripheral surface 2b Outer peripheral surface 3 Inner ring 3a Outer peripheral surface 4 Track 8 Roller insertion hole 8a Large diameter portion 8b Small diameter portion 9 Plug 11 Seal ring 12 Pin 13 Pin hole 14 Pin hole 15 Roller
Claims (4)
介して栓によって封鎖されているクロスローラベアリン
グにおいて、 前記コロ挿入孔は、前記栓のはめ込み方向に沿って大径
部分および小径部分が形成された段付き形状をしてお
り、 前記小径部分と前記栓の間に前記シール材が装着されて
いることを特徴とするクロスローラベアリング。1. A cross roller bearing in which a roller insertion hole formed in an outer ring is closed by a plug via a sealing material, wherein the roller insertion hole has a large diameter portion and a small diameter portion along a fitting direction of the plug. A cross roller bearing having a formed stepped shape, wherein the sealing material is mounted between the small diameter portion and the plug.
シール材の外径寸法以上の値であることを特徴とするク
ロスローラベアリング。2. The cross roller bearing according to claim 1, wherein the inner diameter of the large-diameter portion of the roller insertion hole is equal to or larger than the outer diameter of the sealing material before mounting.
ピンを有しており、 当該ピンを通すためのピン孔は、前記大径部分に形成さ
れていることを特徴とするクロスローラベアリング。3. The large diameter portion according to claim 1, further comprising a pin extending through the stopper inserted into the roller insertion hole, and a pin hole for passing the pin is formed in the large diameter portion. A cross roller bearing characterized by being made.
おいて、 前記大径部分と前記小径部分がテーパー面によって連続
していることを特徴とするクロスローラベアリング。4. The cross roller bearing according to claim 1, wherein the large diameter portion and the small diameter portion are continuous by a tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10342403A JP2000170754A (en) | 1998-12-02 | 1998-12-02 | Cross roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10342403A JP2000170754A (en) | 1998-12-02 | 1998-12-02 | Cross roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000170754A true JP2000170754A (en) | 2000-06-20 |
Family
ID=18353463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10342403A Pending JP2000170754A (en) | 1998-12-02 | 1998-12-02 | Cross roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000170754A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472322A (en) * | 2009-07-27 | 2012-05-23 | Ntn株式会社 | Rotating shaft bearing and rotating section support device for wind turbine |
| CN102619880A (en) * | 2012-03-30 | 2012-08-01 | 亨利安管理咨询（青岛）有限公司 | Rotary support sealing type plug and sealing method |
| CN102734329A (en) * | 2011-04-14 | 2012-10-17 | 上银科技股份有限公司 | Crossed roller bearing |
| US8753015B2 (en) | 2011-06-03 | 2014-06-17 | Hiwin Technologies Corp. | Crossed-roller bearing |
| CN104295598A (en) * | 2013-07-19 | 2015-01-21 | Skf公司 | Slewing bearing with through hole and plug |
| TWI481784B (en) * | 2011-03-31 | 2015-04-21 | ||
| TWI495803B (en) * | 2012-10-30 | 2015-08-11 | Hiwin Tech Corp | Cross roller bearings |
| KR101605976B1 (en) * | 2014-12-29 | 2016-03-23 | 하이윈 테크놀로지스 코포레이션 | Ball-and-Roller Bearing |
| DE102022124121A1 (en) | 2022-09-20 | 2024-03-21 | Ovalo Gmbh | roller bearing |
-
1998
- 1998-12-02 JP JP10342403A patent/JP2000170754A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8944692B2 (en) | 2009-07-27 | 2015-02-03 | Ntn Corporation | Slewing bearing and rotating section support device for wind turbine |
| CN102472322A (en) * | 2009-07-27 | 2012-05-23 | Ntn株式会社 | Rotating shaft bearing and rotating section support device for wind turbine |
| TWI481784B (en) * | 2011-03-31 | 2015-04-21 | ||
| CN102734329A (en) * | 2011-04-14 | 2012-10-17 | 上银科技股份有限公司 | Crossed roller bearing |
| US8753015B2 (en) | 2011-06-03 | 2014-06-17 | Hiwin Technologies Corp. | Crossed-roller bearing |
| CN102619880A (en) * | 2012-03-30 | 2012-08-01 | 亨利安管理咨询（青岛）有限公司 | Rotary support sealing type plug and sealing method |
| TWI495803B (en) * | 2012-10-30 | 2015-08-11 | Hiwin Tech Corp | Cross roller bearings |
| US20150023624A1 (en) * | 2013-07-19 | 2015-01-22 | Aktiebolaget Skf | Slewing bearing with a through-hole and plug |
| CN104295598A (en) * | 2013-07-19 | 2015-01-21 | Skf公司 | Slewing bearing with through hole and plug |
| US9255607B2 (en) * | 2013-07-19 | 2016-02-09 | Aktiebolaget Skf | Slewing bearing with a through-hole and plug |
| CN104295598B (en) * | 2013-07-19 | 2019-06-14 | Skf公司 | Floating bearing with through-hole and plug |
| KR101605976B1 (en) * | 2014-12-29 | 2016-03-23 | 하이윈 테크놀로지스 코포레이션 | Ball-and-Roller Bearing |
| DE102022124121A1 (en) | 2022-09-20 | 2024-03-21 | Ovalo Gmbh | roller bearing |
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