JPH0272219A - Cage for rolling bearing - Google Patents
Cage for rolling bearingInfo
- Publication number
- JPH0272219A JPH0272219A JP63223269A JP22326988A JPH0272219A JP H0272219 A JPH0272219 A JP H0272219A JP 63223269 A JP63223269 A JP 63223269A JP 22326988 A JP22326988 A JP 22326988A JP H0272219 A JPH0272219 A JP H0272219A
- Authority
- JP
- Japan
- Prior art keywords
- cage
- outer ring
- circumferential surface
- lubricating oil
- space
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 10
- 239000010687 lubricating oil Substances 0.000 abstract description 16
- 239000003921 oil Substances 0.000 abstract description 16
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000010723 turbine oil 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
- F16C33/38—Ball cages
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
-
- 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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は、高速回転用の転がり軸受の保持器に関する。[Detailed description of the invention] <Industrial application field> The present invention relates to a cage for a rolling bearing for high-speed rotation.
〈従来の技術〉
従来より、転がり軸受を例えば１５０万〜２００万ｄｍ
ｎ （ｄｓ Ｅ軸受内径と軸受外径との平均１１ｎ：
毎分回転数ｒｐｍ）の高速回転域で使用する場合、−船
釣に、保持器を外輪に案内させる形式にしており、潤滑
形式としてもタービン油などの油潤滑法が採用される。<Conventional technology> Conventionally, rolling bearings have been
n (ds E Average of bearing inner diameter and bearing outer diameter 11n:
When used in a high speed rotation range (revolutions per minute (rpm)), the retainer is guided by the outer ring, and oil lubrication, such as turbine oil, is used as the lubrication method.
〈発明が解決しようとする課題〉
ところで、保持器を実質的に真円にかつ表面を鏡面に仕
上げることは難しいため所定の精度に管理しているが、
高速回転域での使用となると、それらの精度に起因して
保持器の回転アンバランスを招き、保持器が案内される
外輪に対して接触してしまうことがある。この接触は、
保持器表面の極微小な突起などによる点接触となるため
、これにより外輪内周面の油膜切れを招くことになって
いた。特に、高速回転域では油潤滑法によると油膜を効
率良く形成できないので、前記接触によって焼付きを起
こしやすかった。<Problems to be Solved by the Invention> By the way, it is difficult to make the cage substantially perfectly circular and have a mirror-finished surface, so the cage is managed to a predetermined accuracy.
When used in a high-speed rotation range, the precision thereof may cause rotational imbalance of the cage, and the cage may come into contact with the guided outer ring. This contact is
Since point contact occurs due to minute protrusions on the cage surface, this leads to oil film failure on the inner peripheral surface of the outer ring. Particularly in the high speed rotation range, oil lubrication cannot efficiently form an oil film, so the contact tends to cause seizure.
本発明はこのような事情に鑑みてなされたもので、転が
り軸受の高速回転域での使用に際し外輪の内周面に油膜
を常に効率良く形成できるようにし、長時間焼付きにく
くする保持器を提供することを目的としている。The present invention has been made in view of the above circumstances, and provides a cage that can constantly and efficiently form an oil film on the inner circumferential surface of the outer ring and prevent seizing over a long period of time when a rolling bearing is used in a high-speed rotation range. is intended to provide.
〈課題を解決するだめの手段〉
本発明は、このような目的を達成するために、次のよう
な構成をとる。<Means for Solving the Problem> In order to achieve the above object, the present invention has the following configuration.
即ち、本発明にかかる転がり軸受の保持器は、外輪案内
として使用されるものであって、外周面の数箇所に保持
器回転方向前方に斜降する傾斜面が設けられていること
に特徴を有する。That is, the cage for a rolling bearing according to the present invention is used as an outer ring guide, and is characterized in that inclined surfaces are provided at several locations on the outer peripheral surface that slope downward in the direction of rotation of the cage. have
〈作用〉 本発明の構成による作用は次のとおりである。<Effect> The effects of the configuration of the present invention are as follows.
保持器の傾斜面と外輪の内周面との間には回転方向の一
方向に向けて開いた断面はぼ三角形状の空間が形成され
る。A space having a substantially triangular cross section and opening toward one direction of rotation is formed between the inclined surface of the retainer and the inner circumferential surface of the outer ring.
この空間における広い部分から狭い部分へと潤滑油が通
過するように、保持器を回転させると、保持器回転方向
と逆方向に流れる潤滑油が前記空間の狭い部分を通過す
る際、潤滑油の圧力が上昇するために、この通過した潤
滑油が外輪内周面に向けて押しつけられて、油膜を形成
する。When the retainer is rotated so that the lubricating oil passes from the wide part to the narrow part in this space, the lubricating oil flowing in the opposite direction of the retainer rotation passes through the narrow part of the space. As the pressure increases, the lubricating oil that has passed through is pressed toward the inner circumferential surface of the outer ring, forming an oil film.
しかも、従来例で説明したような原因により保持器の一
部例えば傾斜面の頂辺が外輪に接触しようとしても、そ
こに集まる潤滑油が緩衝材の役割りを果たすから、保持
器と外輪との接触が阻まれる。Furthermore, even if a part of the cage, such as the top of the sloped surface, tries to come into contact with the outer ring due to the reasons explained in the conventional example, the lubricating oil that collects there acts as a buffer, so that the cage and outer ring are contact is prevented.
〈実施例〉
以下、本発明の実施例を図面に基づいて詳細に説明する
。<Example> Hereinafter, an example of the present invention will be described in detail based on the drawings.
第１図ないし第３図に本発明の第１実施例を示している
。第１図は本発明の保持器をアンギュラ形玉軸受に適用
した例を示す、外輪１．内輸２はＡ１３１Ｍ５０製、玉
３は窒化珪素製である。第２図および第３図には保持器
４を示している。A first embodiment of the present invention is shown in FIGS. 1-3. FIG. 1 shows an example in which the cage of the present invention is applied to an angular contact ball bearing. Domestic product 2 is made of A131M50, and ball 3 is made of silicon nitride. The cage 4 is shown in FIGS. 2 and 3.
図に示すように、保持器４の外周面には、その全幅に及
ぶ突起５が円周方向で鋸刃状に複数形成されている。突
起５それぞれは、保持器４の円周数箇所に等間隔で形成
されたポケット６が存在する位置と、隣り合うポケット
６の間とに設けられている。As shown in the figure, a plurality of protrusions 5 are formed in the circumferential direction on the outer peripheral surface of the retainer 4 in the shape of saw blades, extending over the entire width thereof. Each of the protrusions 5 is provided at a position where pockets 6 formed at equal intervals on the circumference of the retainer 4 are present and between adjacent pockets 6.
この突起５には、円周方向の一方に向けてゆるやかに斜
降した緩斜面７と、緩斜面７と逆方向に向けて急峻に斜
降した急斜面８とを備えており、緩斜面７の頂辺と急斜
面８の頂辺とが、また緩斜面７の底辺と急斜面８の底辺
とがそれぞれ連接している。そして、隣り合う突起５の
頂部の間に存在する緩斜面７と急斜面８とからなる凹部
と、外輪ｌの内周面９との間には、断面はぼ直角三角形
状の空間１０がそれぞれ形成されている。This protrusion 5 has a gentle slope 7 that slopes down gently toward one side in the circumferential direction, and a steep slope 8 that slopes steeply down in the opposite direction of the gentle slope 7. The top side and the top side of the steep slope 8 are connected to each other, and the bottom side of the gentle slope 7 and the bottom side of the steep slope 8 are connected to each other. A space 10 having an approximately right triangular cross section is formed between the recess formed by the gentle slope 7 and steep slope 8 existing between the tops of the adjacent protrusions 5 and the inner circumferential surface 9 of the outer ring l. has been done.
次に外輪内周面に油膜を形成する際の動作を説明する。Next, the operation for forming an oil film on the inner circumferential surface of the outer ring will be explained.
保持器４を第３図において矢印の方向に回転させると、
その逆方向に保持器４と外輪ｌとの間で潤滑油が流れる
。この潤滑油の流れ方向は、断面はぼ直角三角形状の空
間１０における狭い部分側に向かうようにしているので
、空間１０の狭い部分において潤滑油の圧力が上昇させ
られて、この狭い部分を通過する潤滑油が外輪１の内周
面９に対して押しつけられ、ここに油膜が形成されるこ
とになる。When the cage 4 is rotated in the direction of the arrow in FIG.
Lubricating oil flows between the cage 4 and the outer ring l in the opposite direction. The flow direction of this lubricating oil is directed toward the narrow part of the space 10, which has an approximately right triangular cross section, so that the pressure of the lubricating oil is increased in the narrow part of the space 10, and the lubricating oil passes through this narrow part. The lubricating oil is pressed against the inner circumferential surface 9 of the outer ring 1, and an oil film is formed there.
このような原理でもって、高速回転域での使用時にも外
輪１の内周面９には油膜が常に効率良く形成されること
になる。しかも、保持器４がそれ自体の製造精度に基づ
いて起こす回転アンバランスにより、保持器４の突起５
の頂部が外輪１に接触しようとしても、この突起５の頂
部と外輪ｌの内周面との間に集まる潤滑油が緩衝材とな
り、保持器４と外輪１との接触を阻むから、焼付きが生
じに（くなる。Based on this principle, an oil film is always efficiently formed on the inner circumferential surface 9 of the outer ring 1 even when used in a high speed rotation range. Moreover, due to the rotational imbalance caused by the cage 4 due to its own manufacturing precision, the protrusions of the cage 4
Even if the top of the projection 5 tries to contact the outer ring 1, the lubricating oil that collects between the top of the protrusion 5 and the inner peripheral surface of the outer ring 1 acts as a buffer and prevents contact between the cage 4 and the outer ring 1, preventing seizure. (to become)
以上説明した第１実施例の保持器４であれば、油膜を形
成する方向が保持器の一方回転方向に限定されるが、回
転方向に関係なく両方向で同様に油膜を形成できるよう
にした例を第４図に示す。With the cage 4 of the first embodiment described above, the direction in which an oil film is formed is limited to one direction of rotation of the cage, but an example in which an oil film can be formed in both directions regardless of the rotation direction is shown in Figure 4.
第４図は本発明の第２実施例で、第３図に対応する図で
ある。FIG. 4 shows a second embodiment of the present invention and corresponds to FIG. 3.
本実施例では、突起５の頂部を突起存在範囲上における
円周方向の中央に位置させ、この突起５の頂部から円周
方向両側に向けて互いに同一傾斜角でゆるやかに斜降す
る２つの緩斜面７ａ、７ｂを形成しである。この突起５
においては、隣り合う突起５の頂部間に存在する二つの
緩斜面７ａ７ｂよりなる凹部と、外輪１の内周面９との
間に断面はぼ二等辺三角形状の空間１０が形成されるこ
とになる。即ち、この空間１０は、その円周方向の中央
から両側に向けて対称なくさび形状になっている。In this embodiment, the top of the protrusion 5 is located at the center in the circumferential direction on the range where the protrusion exists, and there are two slopes that gently descend from the top of the protrusion 5 toward both sides in the circumferential direction at the same inclination angle. Slopes 7a and 7b are formed. This protrusion 5
In this case, a space 10 having an approximately isosceles triangular cross section is formed between the recess formed by the two gentle slopes 7a7b existing between the tops of the adjacent protrusions 5 and the inner circumferential surface 9 of the outer ring 1. Become. That is, this space 10 has a wedge shape that is symmetrical from the center in the circumferential direction to both sides.
したがって、第２実施例の場合、その特有な形状の空間
１０により、保持器４をどちらに回転させても上記第１
実施例で説明したような原理と同様に各々効率良く油膜
を形成できるのである。Therefore, in the case of the second embodiment, due to the uniquely shaped space 10, no matter which direction the retainer 4 is rotated, the first
The oil film can be formed efficiently in the same way as the principle explained in the examples.
なお、本発明は、上記各実施例で説明した玉軸受の保持
器にのみ限定されず、各種の転がり軸受に備える保持器
に適用しうろことは言うまでもない。また、突起５の断
面形状についても、正弦波曲線のようにすることもでき
るなど、種々考えられる。さらに、各突起５の頂部は、
保持器４を幅方向に直線的に横切る形状に限定されず、
第５図ｆａｔおよび（ｂｌに示すように、平面視はぼ■
字形状または湾曲形状で幅方向中央はど回転方向後方に
後退した形状にすることも考えられる。この場合、保持
器４の回転方向を図中の矢印方向とすれば、保持器回転
方向と逆方向に流れる潤滑油を保持器４の軸方向中心寄
りに効率良く集められるから、外輪内周面への油膜形成
をより効率良く行うことができるようになる。It goes without saying that the present invention is not limited to the cages for ball bearings described in each of the above embodiments, but can be applied to cages for various rolling bearings. Furthermore, the cross-sectional shape of the protrusion 5 can be variously considered, such as a sine wave curve. Furthermore, the top of each protrusion 5 is
It is not limited to a shape that linearly crosses the cage 4 in the width direction,
As shown in Figure 5 fat and (bl), the plan view is
It is also conceivable to have a shape in which the center in the width direction is set back in the rearward direction in the rotational direction. In this case, if the rotation direction of the cage 4 is set in the direction of the arrow in the figure, the lubricating oil flowing in the opposite direction to the cage rotation direction can be efficiently collected near the axial center of the cage 4, so that the inner circumferential surface of the outer ring This makes it possible to form an oil film more efficiently.
〈発明の効果〉
以上説明したように、本発明によれば、傾斜面の頂辺と
外輪内周面との間の微小隙間を通過した潤滑油により外
輪内周面に油膜を積極的に形成させることができる。し
かも、従来例で説明したような保持器の回転アンバラン
スなどの原因により保持器の一部が外輪内周面に接触し
ようとしても、そこに集まる潤滑油が緩衝材として機能
するので両者の接触を阻止できる。<Effects of the Invention> As explained above, according to the present invention, an oil film is actively formed on the inner circumferential surface of the outer ring by the lubricating oil that has passed through the minute gap between the top of the inclined surface and the inner circumferential surface of the outer ring. can be done. Moreover, even if a part of the cage tries to come into contact with the inner circumferential surface of the outer ring due to reasons such as rotational imbalance of the cage as explained in the conventional example, the lubricating oil that collects there acts as a buffer, preventing contact between the two. can be prevented.
このような保持器を採用すれば、高速回転域で長時間焼
付きが生じにくい信転性の高い転がり軸受を提供できる
。By employing such a cage, it is possible to provide a rolling bearing with high rotational reliability that is unlikely to seize over a long period of time in a high-speed rotation range.
第１図ないし第３図は本発明の第１実施例にかかり、第
１図は本発明の保持器を適用したセラミック製軸受を示
す部分断面図、第２図は保持器の全体外観を示す斜視図
、第３図は保持器と外輪との間に形成する空間を示す部
分断面図である。
第４図および第５図は本発明の別実施例にかかり、第４
図は本発明の第２実施例で第３図に対応する部分断面図
、第５図ｆａｔ、 （ｂｌは本発明の第３実施例で保持
器の一部を展開した平面図である。
ｌ・・・外輪、 ４・・・保持器、７・・・緩斜
面、 ８・・・急斜面。
第３図1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a partial sectional view showing a ceramic bearing to which the cage of the present invention is applied, and FIG. 2 shows the overall appearance of the cage. The perspective view and FIG. 3 are partial sectional views showing the space formed between the retainer and the outer ring. 4 and 5 relate to another embodiment of the present invention, and FIG.
The figures are a partial sectional view corresponding to FIG. 3 in the second embodiment of the present invention, and FIG. ...outer ring, 4...cage, 7...gentle slope, 8...steep slope. Fig. 3
Claims (1)
が設けられていることを特徴とする転がり軸受の保持器
。(1) A cage for a rolling bearing of an outer ring guide type, characterized in that a cage for a rolling bearing is provided with inclined surfaces inclined forward in the rotational direction of the cage at several locations on the outer circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63223269A JPH0272219A (en) | 1988-09-06 | 1988-09-06 | Cage for rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63223269A JPH0272219A (en) | 1988-09-06 | 1988-09-06 | Cage for rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272219A true JPH0272219A (en) | 1990-03-12 |
Family
ID=16795470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63223269A Pending JPH0272219A (en) | 1988-09-06 | 1988-09-06 | Cage for rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272219A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008053361A1 (en) | 2008-10-27 | 2010-04-29 | Schaeffler Kg | Bearing device for mounting wire guide roller at shaft, has bearing and drivable turbine element, which drives wire guide roller, where turbine element is directly arranged at component part of bearing |
| DE102010014482A1 (en) * | 2010-04-10 | 2011-10-13 | Aktiebolaget Skf | Antifriction bearing, particularly groove ball bearing, for use in bearing position, has a bearing inner ring and bearing outer ring, where recess is equipped in cage surface |
| DE102012016983A1 (en) * | 2012-08-28 | 2014-03-27 | Minebea Co., Ltd. | Rolling bearing for high speed application e.g. dental handpieces, has roller bearing cage whose outer surface comprises profile different from circular shape, and depth of recess in outer surface varies along circumferential direction |
| DE102013209642A1 (en) * | 2013-05-24 | 2014-11-27 | Schaeffler Technologies Gmbh & Co. Kg | Rolling bearings with accumulation contour sections |
| DE102014224209A1 (en) * | 2014-11-27 | 2016-06-02 | Schaeffler Technologies AG & Co. KG | Rolling bearing cage and roller bearings |
| WO2018106335A1 (en) * | 2016-12-06 | 2018-06-14 | General Electric Company | Roller element bearing with preloaded hydrodynamic cage guides |
| WO2018159755A1 (en) * | 2017-03-03 | 2018-09-07 | Ntn株式会社 | Rolling bearing and bearing structure having same |
| WO2019065603A1 (en) * | 2017-09-26 | 2019-04-04 | Ntn株式会社 | Ball bearing retainer, and ball bearing |
| WO2019151476A1 (en) * | 2018-02-02 | 2019-08-08 | Ntn株式会社 | Rolling bearing |
-
1988
- 1988-09-06 JP JP63223269A patent/JPH0272219A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008053361A1 (en) | 2008-10-27 | 2010-04-29 | Schaeffler Kg | Bearing device for mounting wire guide roller at shaft, has bearing and drivable turbine element, which drives wire guide roller, where turbine element is directly arranged at component part of bearing |
| DE102010014482A1 (en) * | 2010-04-10 | 2011-10-13 | Aktiebolaget Skf | Antifriction bearing, particularly groove ball bearing, for use in bearing position, has a bearing inner ring and bearing outer ring, where recess is equipped in cage surface |
| DE102012016983A1 (en) * | 2012-08-28 | 2014-03-27 | Minebea Co., Ltd. | Rolling bearing for high speed application e.g. dental handpieces, has roller bearing cage whose outer surface comprises profile different from circular shape, and depth of recess in outer surface varies along circumferential direction |
| DE102012016983B4 (en) | 2012-08-28 | 2022-12-22 | Minebea Mitsumi Inc. | Rolling bearing with rolling bearing cage |
| DE102013209642A1 (en) * | 2013-05-24 | 2014-11-27 | Schaeffler Technologies Gmbh & Co. Kg | Rolling bearings with accumulation contour sections |
| DE102014224209A1 (en) * | 2014-11-27 | 2016-06-02 | Schaeffler Technologies AG & Co. KG | Rolling bearing cage and roller bearings |
| US10641332B2 (en) | 2016-12-06 | 2020-05-05 | General Electric Company | Roller element bearing with preloaded hydrodynamic cage guides |
| CN110268174A (en) * | 2016-12-06 | 2019-09-20 | 通用电气公司 | With the roller element bearing for preloading fluid dynamics retainer guiding piece |
| WO2018106335A1 (en) * | 2016-12-06 | 2018-06-14 | General Electric Company | Roller element bearing with preloaded hydrodynamic cage guides |
| JP2018146006A (en) * | 2017-03-03 | 2018-09-20 | Ntn株式会社 | Rolling bearing and bearing structure having the same |
| CN110382890A (en) * | 2017-03-03 | 2019-10-25 | Ntn株式会社 | Rolling bearing and the bearing construction for having the rolling bearing |
| WO2018159755A1 (en) * | 2017-03-03 | 2018-09-07 | Ntn株式会社 | Rolling bearing and bearing structure having same |
| US10871191B2 (en) | 2017-03-03 | 2020-12-22 | Ntn Corporation | Rolling bearing and bearing structure including same |
| CN110382890B (en) * | 2017-03-03 | 2021-05-14 | Ntn株式会社 | Rolling bearing and bearing structure provided with same |
| WO2019065603A1 (en) * | 2017-09-26 | 2019-04-04 | Ntn株式会社 | Ball bearing retainer, and ball bearing |
| WO2019151476A1 (en) * | 2018-02-02 | 2019-08-08 | Ntn株式会社 | Rolling bearing |
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