JPH06330951A - Lubricating structure of rolling bearing - Google Patents
Lubricating structure of rolling bearingInfo
- Publication number
- JPH06330951A JPH06330951A JP11607293A JP11607293A JPH06330951A JP H06330951 A JPH06330951 A JP H06330951A JP 11607293 A JP11607293 A JP 11607293A JP 11607293 A JP11607293 A JP 11607293A JP H06330951 A JPH06330951 A JP H06330951A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- outer ring
- bearings
- housing
- bearing
- 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 description 15
- 230000001050 lubricating effect Effects 0.000 title claims description 7
- 239000010687 lubricating oil Substances 0.000 claims abstract description 59
- 239000003921 oil Substances 0.000 abstract description 14
- 238000005461 lubrication Methods 0.000 abstract description 11
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000737 Duralumin Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、転がり軸受の潤滑構
造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling bearing lubricating structure.
【０００２】[0002]
【従来の技術】ヘリコプター等の航空機のエンジンやギ
ヤボックス等に使用される転がり軸受については、たと
え給油系統が故障して転がり軸受に潤滑油が供給されな
くなった場合でも、航空機が着陸可能な個所まで飛行で
きるように、しばらくの間（３０〜６０分程度）焼付を
起こすことなく回転できること、つまりドライラン性能
を有することが要求される。2. Description of the Related Art Rolling bearings used in engines and gearboxes of aircraft such as helicopters can be landed at locations where the aircraft can land even if the lubrication system fails and lubricating oil cannot be supplied to the rolling bearings. In order to be able to fly up to, it is required to be able to rotate for a while (about 30 to 60 minutes) without causing seizure, that is, to have a dry run performance.
【０００３】このようなドライラン性能を確保するため
に、従来より、転がり軸受の軌道面や転動体の表面、あ
るいは保持器の転動体との摺動面に金、銀、四フッ化エ
チレン樹脂、グラファイト等の固体潤滑剤をコーティン
グすることが行なわれている。In order to secure such a dry run performance, gold, silver, tetrafluoroethylene resin has been conventionally used on the raceway surface of the rolling bearing, the surface of the rolling element, or the sliding surface of the cage and the rolling element. Coating with a solid lubricant such as graphite has been carried out.
【０００４】[0004]
【発明が解決しようとする課題】上記固体潤滑剤をコー
ティングした転がり軸受については、特に過酷な使用条
件下において、固体潤滑剤が極度に摩耗したり、剥離し
たりすることがあり、この場合には、ドライラン状態に
おいて所望の潤滑性能を発揮することができないという
問題があった。With respect to the rolling bearing coated with the solid lubricant, the solid lubricant may be extremely worn or peeled off under particularly severe operating conditions. Had a problem that it could not exhibit desired lubrication performance in a dry run state.
【０００５】この発明は、上記問題点に鑑みてなされた
ものであり、ドライラン性能を確実に発揮することがで
きる転がり軸受の潤滑構造を提供することを目的とす
る。The present invention has been made in view of the above problems, and an object of the present invention is to provide a lubricating structure for a rolling bearing capable of reliably exhibiting dry run performance.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
の、この発明の転がり軸受の潤滑構造は、外輪をハウジ
ングの段部に固定し、当該ハウジングの段部の角部と外
輪外周の面取り部との間に、潤滑油溜まりを形成してい
るとともに、上記外輪に潤滑油溜まりと軸受内部空間と
を連通する潤滑油供給路を形成していることを特徴とす
るものである。In order to achieve the above object, a lubricating structure for a rolling bearing according to the present invention has an outer ring fixed to a step portion of a housing, and chamfering a corner portion of the step portion of the housing and an outer periphery of the outer ring. A lubricating oil sump is formed between the outer ring and the portion, and a lubricating oil supply passage that connects the lubricating oil sump and the bearing internal space is formed in the outer ring.
【０００７】[0007]
【作用】上記の構成の転がり軸受の潤滑構造によれば、
正常運転時において、内輪の回転に伴う遠心力によっ
て、潤滑油を潤滑油供給路を通して、潤滑油溜まりに導
入して溜めておくことができる。そして、ドライラン状
態が生じた場合には、転がり軸受の温度が上昇するの
で、上記油溜まりに溜めた潤滑油を、潤滑油供給路を通
して、蒸気若しくは飛沫として、或いは滲出により、軸
受内部に供給して、軸受軌道部を潤滑することができ
る。According to the rolling bearing lubrication structure having the above structure,
During normal operation, the lubricating oil can be introduced and stored in the lubricating oil reservoir through the lubricating oil supply passage by the centrifugal force caused by the rotation of the inner ring. When a dry run condition occurs, the temperature of the rolling bearing rises.Therefore, the lubricating oil stored in the oil sump is supplied to the inside of the bearing through the lubricating oil supply passage as steam or droplets, or by leaching. Thus, the bearing raceway can be lubricated.
【０００８】[0008]
【実施例】以下、実施例を示す添付図面により詳細に説
明する。図１は、この発明の転がり軸受の潤滑構造の一
実施例を示す断面図である。この潤滑構造は、たとえば
ヘリコプターのギヤボックスにおいて、水平方向に配置
された回転軸１を回転自在に支持する玉軸受２、および
円筒ころ軸受３の潤滑構造として採用されている。Embodiments will be described in detail below with reference to the accompanying drawings showing embodiments. FIG. 1 is a sectional view showing an embodiment of a rolling bearing lubrication structure of the present invention. This lubrication structure is employed, for example, in a gearbox of a helicopter as a lubrication structure for a ball bearing 2 and a cylindrical roller bearing 3 that rotatably support a rotating shaft 1 arranged horizontally.
【０００９】上記玉軸受２、および円筒ころ軸受３のそ
れぞれの内輪２１，３１は、回転軸１に一体回転可能に
嵌合されており、外輪２２，３２は、マグネシウム合金
やジュラルミン等からなるハウジング４の段部４１，４
２に嵌合固定されている。ただし、円筒ころ軸受３の外
輪３２については、ニッケル・クロム・モリブデン鋼等
からなる薄肉のスリーブ５を介してハウジング４の段部
４２に嵌合固定されている。上記スリーブ５は、円筒こ
ろ軸受３のハウジング４への取付け剛性を向上させるた
めに設けられている。The inner rings 21 and 31 of the ball bearing 2 and the cylindrical roller bearing 3 are fitted to the rotary shaft 1 so as to be rotatable integrally, and the outer rings 22 and 32 are housings made of magnesium alloy, duralumin, or the like. 4 steps 41, 4
It is fitted and fixed to 2. However, the outer ring 32 of the cylindrical roller bearing 3 is fitted and fixed to the step portion 42 of the housing 4 via the thin sleeve 5 made of nickel, chromium, molybdenum steel or the like. The sleeve 5 is provided to improve the mounting rigidity of the cylindrical roller bearing 3 to the housing 4.
【００１０】また、上記各段部４１，４２のぞれぞれの
角部４１ａ，４２ａと、外輪２２，３２の外周面取り部
２２ａ，３２ａとの間には、密閉された潤滑油溜まり
６，７が構成されている。この潤滑油溜まり６，７の内
の一方の潤滑油溜まり６は、ハウジング４の段部４２の
角部４２ａに環状の肉盗みを形成することにより、所望
の容積が確保されている。また、他方の油溜まり７につ
いては、玉軸受２の外輪２２の外周面取り部２２ａを、
通常寸法よりも大きくすることにより、所望の容積が確
保されている。Further, between the respective corner portions 41a and 42a of the respective step portions 41 and 42 and the outer peripheral chamfered portions 22a and 32a of the outer rings 22 and 32, a sealed lubricating oil sump 6, 7 are configured. One of the lubricating oil sumps 6 and 7 has a desired volume by forming an annular recess in the corner 42a of the step 42 of the housing 4. Regarding the other oil sump 7, the outer peripheral chamfered portion 22a of the outer ring 22 of the ball bearing 2 is
A desired volume is secured by making the size larger than the normal size.
【００１１】さらに、玉軸受２の外輪２２には、油溜ま
り７と当該外輪２２の軌道部２２ｂ近傍とを連通する潤
滑油供給路２２ｃが形成されており、円筒ころ軸受３の
外輪３２には、油溜まり６と当該外輪３２の軌道部３２
ｂ近傍とを連通する潤滑油供給路３２ｃが形成されてい
る。これら各潤滑油供給路２２ｃ，３２ｃは、小孔から
なるものであり、各外輪２２，３２の上部側に１本また
は複数本形成されている。Further, the outer ring 22 of the ball bearing 2 is formed with a lubricating oil supply passage 22c which connects the oil sump 7 and the vicinity of the raceway portion 22b of the outer ring 22, and the outer ring 32 of the cylindrical roller bearing 3 is formed on the outer ring 32. , The oil sump 6 and the track portion 32 of the outer ring 32.
A lubricating oil supply passage 32c is formed to communicate with the vicinity of b. Each of these lubricating oil supply passages 22c, 32c is formed of a small hole, and one or a plurality of lubricating oil supply passages 22c, 32c are formed on the upper side of each outer ring 22, 32.
【００１２】なお、上記玉軸受２の外輪２２の外周に
は、ハウジング４との間の密閉性を確保するためのＯリ
ング２３が嵌め込まれている。また、円筒ころ軸受３の
外輪３２の側端面には、油溜まり７の密閉性を向上させ
るとともに、軸受取付け剛性を確保するために、前記ス
リーブ５と同材質の環状シール部材３３が添設されてい
る。さらに、上記各軸受２，３には、図示しない給油系
統によって、強制潤滑が行なわれるようになっている。An O-ring 23 is fitted on the outer circumference of the outer ring 22 of the ball bearing 2 for ensuring a tight seal with the housing 4. An annular seal member 33 made of the same material as that of the sleeve 5 is additionally provided on the side end surface of the outer ring 32 of the cylindrical roller bearing 3 in order to improve the hermeticity of the oil sump 7 and ensure the bearing mounting rigidity. ing. Furthermore, the bearings 2 and 3 are forcibly lubricated by an oil supply system (not shown).
【００１３】以上の構成であれば、正常運転時、つまり
給油系統から潤滑油が正常に供給されている状態におい
て、各軸受２，３の内輪２１，３１の回転に伴う遠心力
によって、当該潤滑油が潤滑油供給路２２ｃ，３２ｃを
通して、各潤滑油溜まり６，７に供給され、この潤滑油
溜まり６，７に所定量の潤滑油が貯留される。そして、
給油系統が故障して、ドライラン状態になった場合、潤
滑不足によって軸受２，３の温度が上昇するので、この
温度上昇に伴って、各潤滑油溜まり６，７に貯留された
潤滑油が，蒸気若しくは飛沫として、或いは滲出によ
り、各軸受２，３の軌道部２２ｂ，３２ｂに供給され
る。従って、給油系統が故障した後、所定時間各軸受
２，３が焼付くのを確実に防止することができる。しか
も、上記潤滑油供給路２２ｃ，３２ｃが、外輪２２，３
２の上部側に設けられているので、各潤滑油溜まり６，
７に貯留された潤滑油が一気に流出せずに、除々に流出
する結果、長時間に亘って潤滑効果を維持することがで
きる。With the above configuration, during normal operation, that is, in the state where the lubricating oil is normally supplied from the oil supply system, the lubrication is performed by the centrifugal force caused by the rotation of the inner rings 21 and 31 of the bearings 2 and 3. Oil is supplied to the lubricating oil reservoirs 6 and 7 through the lubricating oil supply passages 22c and 32c, and a predetermined amount of lubricating oil is stored in the lubricating oil reservoirs 6 and 7. And
When the oil supply system fails and enters the dry run state, the temperature of the bearings 2 and 3 rises due to insufficient lubrication. With this temperature rise, the lubricating oil stored in the lubricating oil reservoirs 6 and 7 becomes It is supplied to the track portions 22b and 32b of the bearings 2 and 3 as vapor or droplets or by seeping. Therefore, it is possible to reliably prevent the bearings 2 and 3 from seizing for a predetermined time after the failure of the oil supply system. Moreover, the lubricating oil supply passages 22c and 32c are
Since it is provided on the upper side of 2, each lubricating oil sump 6,
The lubricating oil stored in No. 7 does not flow out at once, but gradually flows out, so that the lubricating effect can be maintained for a long time.
【００１４】なお、円筒ころ軸受３の外周に嵌合された
スリーブ５については、その潤滑油溜まり６に臨む側の
端部に、一定間隔毎に切欠を設けておいてもよく、この
場合には、当該潤滑油溜まり６の容積をさらに増やすこ
とができる。また、上記スリーブ５に軸方向に延びる凹
溝を形成し、潤滑油溜まり６と潤滑油溜まり７とを連通
させるようにしてもよく、この場合には、上記凹部にも
潤滑油を溜めることができる。The sleeve 5 fitted to the outer circumference of the cylindrical roller bearing 3 may be provided with notches at regular intervals at the end thereof on the side facing the lubricating oil sump 6, in which case Can further increase the volume of the lubricating oil sump 6. Further, a concave groove extending in the axial direction may be formed in the sleeve 5 so that the lubricating oil sump 6 and the lubricating oil sump 7 communicate with each other. In this case, the lubricating oil may be accumulated also in the recess. it can.
【００１５】図２はこの発明の他の実施例を示す要部断
面図である。この実施例において、回転軸１は、ハウジ
ング４の段部４１に、玉軸受２を介して回転自在に支持
されている。上記ハウジング４の段部４１の角部４１ａ
には、環状の肉盗みが形成されており、この肉盗みと外
輪２２の外周面取り部２２ａで囲まれる空間が、潤滑油
溜まり８として構成されている。また、外輪２２の側端
面２２ｄには、上記潤滑油溜まり８に連通する潤滑油供
給路２２ｅが形成されており、この潤滑油供給路２２ｅ
を介して、上記潤滑油溜まり８と軸受内部空間Ａとが連
通されている。上記潤滑油供給路２２ｅは、凹溝からな
るものであり、放射状に適数形成されている。この実施
例においても、ドライラン状態になった場合に、潤滑油
溜まり８内の潤滑油を、潤滑油供給路２２ｅを通じて、
蒸気若しくは飛沫として、或いは滲出により、玉軸受２
の内部空間Ａに供給して当該玉軸受２を潤滑することが
できる。FIG. 2 is a sectional view showing the main part of another embodiment of the present invention. In this embodiment, the rotary shaft 1 is rotatably supported by the step portion 41 of the housing 4 via a ball bearing 2. Corner 41a of step 41 of the housing 4
A ring-shaped meat steal is formed in the outer peripheral surface of the outer ring 22. A lubricating oil supply passage 22e communicating with the lubricating oil sump 8 is formed on the side end surface 22d of the outer ring 22, and the lubricating oil supply passage 22e is formed.
The lubricating oil sump 8 and the bearing internal space A are communicated with each other through. The lubricating oil supply passage 22e is formed of a concave groove, and is formed in an appropriate number in a radial pattern. Also in this embodiment, when the dry run state is reached, the lubricating oil in the lubricating oil sump 8 is fed through the lubricating oil supply passage 22e.
Ball bearings 2 as steam or droplets, or by leaching
It is possible to lubricate the ball bearing 2 by supplying it to the internal space A.
【００１６】なお、上記潤滑油供給路２２ｅについて
は、凹溝に代えて、外輪２２の側端面２２ｄとハウジン
グ４の段部側面４１ｂの少なくとも一方の表面粗さを、
３〜１５Ｓ程度の粗面として、両者の当接面に微細隙間
を形成することにより構成してもよい。Regarding the lubricating oil supply passage 22e, instead of the groove, the surface roughness of at least one of the side end surface 22d of the outer ring 22 and the step side surface 41b of the housing 4 is
As a rough surface of about 3 to 15 S, a fine gap may be formed on both contact surfaces.
【００１７】[0017]
【発明の効果】以上のように、この発明の転がり軸受の
潤滑構造によれば、給油系統が故障してドライラン状態
が生じた場合に、ハウジングの段部角部と外輪外周の面
取り部との間に形成した潤滑油溜まりから潤滑油を軸受
内部に供給することができるので、ドライラン性能を確
実に発揮することができるという特有の効果を奏する。As described above, according to the lubricating structure of the rolling bearing of the present invention, when the lubrication system fails and a dry run state occurs, the stepped corner portion of the housing and the chamfered portion of the outer ring outer periphery are formed. Since the lubricating oil can be supplied to the inside of the bearing from the lubricating oil sump formed between them, the dry run performance can be reliably exhibited, which is a unique effect.
【図１】この発明の転がり軸受の潤滑構造の一実施例を
示す断面図である。FIG. 1 is a sectional view showing an embodiment of a rolling bearing lubrication structure of the present invention.
【図２】この発明の他の実施例を示す断面図である。FIG. 2 is a sectional view showing another embodiment of the present invention.
２ 玉軸受 ２２ 外輪 ２２ａ 面取り部 ２２ｃ 潤滑油供給路 ２２ｅ 潤滑油供給路 ３ 円筒ころ軸受 ３２ 外輪 ３２ａ 面取り部 ３２ｃ 潤滑油供給路 ４ ハウジング ４１ 段部 ４２ 段部 ４１ａ 角部 ４２ａ 角部 ６ 潤滑油溜まり ７ 潤滑油溜まり ８ 潤滑油溜まり Ａ 軸受内部空間 2 ball bearings 22 outer ring 22a chamfered portion 22c lubricating oil supply passage 22e lubricating oil supply passage 3 cylindrical roller bearing 32 outer ring 32a chamfered portion 32c lubricating oil supply passage 4 housing 41 step 42 step 41a corner 42a corner 6 lubricant oil sump 7 Lubricant oil sump 8 Lubricating oil sump A Bearing internal space
Claims (1)
ウジングの段部の角部と外輪外周の面取り部との間に、
潤滑油溜まりを形成しているとともに、上記外輪に潤滑
油溜まりと軸受内部空間とを連通する潤滑油供給路を形
成していることを特徴とする転がり軸受の潤滑構造。1. An outer ring is fixed to a step portion of a housing, and between the corner portion of the step portion of the housing and the chamfered portion of the outer ring outer periphery,
A lubricating structure for a rolling bearing, wherein a lubricating oil sump is formed and a lubricating oil supply passage is formed in the outer ring to connect the lubricating oil sump and the bearing internal space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11607293A JPH06330951A (en) | 1993-05-18 | 1993-05-18 | Lubricating structure of rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11607293A JPH06330951A (en) | 1993-05-18 | 1993-05-18 | Lubricating structure of rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06330951A true JPH06330951A (en) | 1994-11-29 |
Family
ID=14678022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11607293A Pending JPH06330951A (en) | 1993-05-18 | 1993-05-18 | Lubricating structure of rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06330951A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061914A1 (en) * | 2003-12-22 | 2005-07-07 | Ntn Corporation | Rolling bearing |
| WO2006064614A1 (en) * | 2004-12-17 | 2006-06-22 | Thk Co., Ltd. | Movement guiding device and method of lubricating the same |
| WO2010010897A1 (en) * | 2008-07-25 | 2010-01-28 | 株式会社ジェイテクト | Roller bearing device, and method for forming lubrication means for the device |
-
1993
- 1993-05-18 JP JP11607293A patent/JPH06330951A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061914A1 (en) * | 2003-12-22 | 2005-07-07 | Ntn Corporation | Rolling bearing |
| WO2006064614A1 (en) * | 2004-12-17 | 2006-06-22 | Thk Co., Ltd. | Movement guiding device and method of lubricating the same |
| JPWO2006064614A1 (en) * | 2004-12-17 | 2008-08-07 | Thk株式会社 | Motion guide device and method of lubricating motion guide device |
| US8070360B2 (en) | 2004-12-17 | 2011-12-06 | Thk Co., Ltd. | Motion guide device and method of lubricating the same |
| KR101229651B1 (en) * | 2004-12-17 | 2013-02-15 | 티에치케이 가부시끼가이샤 | Movement guiding device and method of lubricating the same |
| WO2010010897A1 (en) * | 2008-07-25 | 2010-01-28 | 株式会社ジェイテクト | Roller bearing device, and method for forming lubrication means for the device |
| US8439570B2 (en) | 2008-07-25 | 2013-05-14 | Jtekt Corporation | Rolling bearing assembly and method of forming a lubrication device therefor |
| JP5549587B2 (en) * | 2008-07-25 | 2014-07-16 | 株式会社ジェイテクト | Rolling bearing device and method for forming lubricating means thereof |
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