CN100453837C - Tapered roller bearing and holder for tapered roller bearing - Google Patents
Tapered roller bearing and holder for tapered roller bearing Download PDFInfo
- Publication number
- CN100453837C CN100453837C CNB200410084002XA CN200410084002A CN100453837C CN 100453837 C CN100453837 C CN 100453837C CN B200410084002X A CNB200410084002X A CN B200410084002XA CN 200410084002 A CN200410084002 A CN 200410084002A CN 100453837 C CN100453837 C CN 100453837C
- Authority
- CN
- China
- Prior art keywords
- tapered roller
- roller bearing
- post
- retainer
- ring shape
- 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
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Classifications
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- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
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- 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
- F16C19/364—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 tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
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- 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
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a tapered roller bearing and a retainer for a tapered roller bearing. The retainer 40 for a tapered roller bearing comprises a ring-shaped body 42 at a small diameter side and a ring-shaped body 44 at a large diameter side which are separated to an axial direction and are parallel with each other, and a plurality of pillars 46 connecting between the ring-shaped body 42 at a small diameter side and the ring-shaped body 44 at a large diameter side, and is made of resin injection molding. A recessed section 46a is arranged on a side face of the pillar 46 at an outer diameter side of the retainer.
Description
Technical field
The present invention relates to a kind of tapered roller bearing that is mainly used in various industrial machines and rail truck, particularly relate to a kind of tapered roller bearing and holder for tapered roller bearing.
Background technique
Tapered roller bearing is a kind of rolling bearing that uses tapered roller as rolling element, sees also shown in Fig. 4 A and Fig. 4 B, forms as the main composition key element with inner ring 1, outer ring 2, most tapered rollers 3, retainers 4.Inner ring 1 has cone shape track 1a at outer circumferential face, and has little rib 1b in the path side of this track 1a, and side has large-flange 1c in big footpath.Outer ring 2 has cone shape track 2a at inner peripheral surface.Tapered roller 3 rotations get involved freely between the track 2a of the track 1a of inner ring 1 and outer ring 2.Retainer 4 along the circumferential direction keeps a majority tapered roller 3 at certain intervals.
Retainer 4 is made of path side ring shape body 5, big footpath side ring shape body 6, post 7 that two annular solids 5,6 are connected as shown in Figure 5.Figure 5 shows that the punching press retainer that utilizes the pressure processing manufacturing, is with pressurizations such as cold-strip steels and be shaped with cold rolled sheets such as for example SPB2 or bearing.That is, be after the truncated cone with the steel plate press molding of porous circular plate type, with the taking-up of pressurizeing successively of each pocket hole 8, the result forms post 7.
Spy in Japanese Patent Laid Open Publication opens in the flat 8-247152 communique, has recorded and narrated the synthetic resin retainer that a kind of tapered roller bearing is used.And, in order when the little rib that makes tapered roller cross inner ring is packed into, to pack into no damage, proposed that a part that a kind of path with post sidewinders sub-guide surface is along the circumferential direction expanded and the technology that is shaped.Except easily assembledization of inner ring assembly (assembly), also can on the part of expanding along its circumferencial direction, keep lubricating grease (grease).But, because the amount of retainable lubricating grease is very little, so to lubricated what help that almost do not have.
By Fig. 4 A as can be known, tapered roller bearing is because Internal and external cycle 1,2 track 1a, 2a forms taper, so when using grease lubrication, the big footpath of the path side direction side of 2 track 2a produces flowing (pumping action) of lubricating grease from the outer ring, and lubricating grease just is discharged to static space when also fully not playing lubrication.And, because lubricating grease enclosed between large-flange 1c external diameter than internal diameter big, retainer 4 and inner ring 1 between the external diameter of the internal diameter of outer ring 2 and retainer 4, so the problem that exists lubricating grease to be difficult to keep at the outside diameter of retainer 4.
This shows that above-mentioned existing tapered roller bearing and holder for tapered roller bearing obviously still have inconvenience and defective, and demand urgently further being improved in structure and use.In order to solve the problem that tapered roller bearing and holder for tapered roller bearing exist, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing tapered roller bearing and holder for tapered roller bearing exist, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of tapered roller bearing and the holder for tapered roller bearing of founding a kind of new structure, can improve general existing tapered roller bearing and holder for tapered roller bearing, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing tapered roller bearing and holder for tapered roller bearing exist, and provide a kind of tapered roller bearing and holder for tapered roller bearing of new structure, technical problem to be solved is to make it can make lubricating grease in the inner long-term maintenance of bearing, and the greasy property of playing stably, thereby be suitable for practicality more.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technological scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The holder for tapered roller bearing of an example of the present invention, utilize the encapsulation molding of synthetic resin and make, and constitute by path side ring shape body parallel to each other that axially leaves and big footpath side ring shape body, most posts connecting path side ring shape body and big footpath side ring shape body, and the retainer outside diameter in the side of post is provided with the low recess that extends along the long side direction of post.Should play along with rotation by low recess, scraped and get near the lubricating grease of outer race track, and the effect that it is refluxed at the retainer internal side diameter.In addition, this low recess can form accumulating of lubricating grease, the greasy property of playing stably for a long time.
Aforementioned low recess can be provided with on the total length of aforementioned post.By low recess is provided with on the total length of post, can increase the volume of low recess, accumulate more lubricating grease.And, be positioned near the roller large end face owing to hang down the end of recess, so lubricating grease can be directed between roller large end face and the inner ring large-flange.
Can make from the shape of the observed aforementioned low recess of retainer outside diameter, form the triangle that narrows down gradually from the big footpath of path side direction side.In rotation, scrape the direction that the lubricating grease got turns to big footpath sidespin and move by adopting this shape, can making, help lubricating of roller large end face.
Also can form notch part at the inner peripheral surface of the path side of aforementioned post and the outer circumferential face of big footpath side.By adopting this formation, can prevent the rapid wall thickness change of post, the resin rate of cooling when making encapsulation molding is identical, guarantees stable quality.And, but the notch part detention that is positioned at the outer circumferential face of post flows out to the lubricating grease of roller large end face side because of pumping action.And the notch part of the inner and outer circumferential surfaces of post can make the tilt angle of post relax, and suppresses the outflow of lubricating grease.Like this, can apply resistance to the outflow of passing through of lubricating grease on the whole, lubricating grease be accumulated for a long time in bearing inside, the greasy property of playing stably in the inner and outer circumferential surfaces of post.
The tapered roller bearing of another example of the present invention has inner ring, outer ring, most individual tapered roller, retainer; Aforementioned retainer utilizes the encapsulation molding of synthetic resin and makes, and constitute by path side ring shape body parallel to each other that axially leaves and big footpath side ring shape body, most posts connecting path side ring shape body and big footpath side ring shape body, and the retainer outside diameter in the side of post is provided with the low recess that extends along the long side direction of post.
Aforementioned low recess can be provided with on the total length of aforementioned post.
Can make from the shape of the observed aforementioned low recess of retainer outside diameter, form the triangle that narrows down gradually from the big footpath of path side direction side.
Also can form notch part at the inner peripheral surface of the path side of aforementioned post and the outer circumferential face of big footpath side.
Via as can be known above-mentioned, the invention relates to a kind of tapered roller bearing and holder for tapered roller bearing, this holder for tapered roller bearing is made of most posts of the path side ring shape body parallel to each other that axially leaves and big footpath side ring shape body, connection path side ring shape body and big footpath side ring shape body, and utilize the encapsulation molding of synthetic resin and make, and the retainer outside diameter in the side of post is provided with the low recess that extends along the long side direction of post.
By technique scheme, tapered roller bearing of the present invention and holder for tapered roller bearing have following advantage at least:
Holder for tapered roller bearing of the present invention and utilize the tapered roller bearing of this retainer can apply resistance to the outflow of passing through of lubricating grease, lubricating grease is accumulated for a long time in bearing inside, the greasy property of playing stably.And, by low recess is provided with on the total length of post, or make low recess form triangle, can make and in rotation, scrape the lubricating grease got to big footpath side shifting, help lubricating of roller large end face.
In sum, the tapered roller bearing of special construction of the present invention and holder for tapered roller bearing can make lubricating grease in the inner long-term maintenance of bearing, and the greasy property of playing stably.It has above-mentioned many advantages and use value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product, equipment or function, have large improvement technically, and produced handy and practical effect, and more existing tapered roller bearing and holder for tapered roller bearing have the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by a plurality of preferred embodiments, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1A is the expansion planimetric map of the retainer of expression example of the present invention.
Figure 1B is the significant points sectional view of tapered roller bearing.
Fig. 2 A is the sectional view along the post center of retainer.
Fig. 2 B is the profile of the post of retainer.
Fig. 3 is the expansion planimetric map of the retainer of expression variation.
Fig. 4 A is the sectional view of tapered roller bearing.
Fig. 4 B is the front elevation of tapered roller.
Fig. 5 is the oblique drawing of the retainer in the tapered roller bearing of Fig. 4 A.
1: inner ring 1a: track
1b: little rib 1c: large-flange
2: outer ring 2a: track
3: tapered roller 3a: large end face
3b: notch part 4: retainer
5: path side ring shape body 6: big footpath side ring shape body
7: post 8: the pocket hole
40: retainer 42: annular solid
43a, 43b: notch part 44: annular solid
45: notch part 46: post
46a: low recess 47a, 47b: notch part
48: pocket hole 49: the roller guide face
50: notch part
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to tapered roller bearing and its embodiment of holder for tapered roller bearing, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Below, according to appended diagram example of the present invention is described.Here, Figure 1A is that Figure 1B is the cross-section profile of the post of Figure 1A with the planimetric map of the retainer expansion of tapered roller bearing.And Fig. 2 A is the profile diagram of the post of Figure 1A, and Fig. 2 B is the profile of the post of Figure 1A.In addition, except retainer, the basic comprising of tapered roller bearing has nothing different with the situation of Fig. 4 A that had both stated, so in the following description, the formation about the tapered roller bearing beyond the retainer sees also shown in Fig. 4 A.
Be provided with low recess 46a in the side of post 46.In other words, the side B of post 46 is made of roller guide face 49 and low recess 46a.Roller guide face 49 is positioned at the retainer internal side diameter of the side B of post 46, and low recess 46a is positioned at the retainer outside diameter of the side B of post 46.And shown in Figure 1A, low recess 46a is the triangle that narrows down gradually from the big footpath of path side ring shape body 42 side direction side ring shape body 44 sides when the outside diameter of retainer 40 is observed.Low recess 46a stretches along the long side direction of post 46, is to extend on the almost total length of post 46 here.Strictly speaking, low recess 46a is formed by bottom surface and side shown in Figure 1B, and the part of the triangle that Figure 1A presented is the bottom surface of low recess 46a.
Shown in Fig. 2 A, on the inner peripheral surface of post 46 and outer circumferential face, be respectively arranged with notch part 47a, 47b.In the example of Fig. 2 A, the notch part 47a of inner peripheral surface accounts for the over half of post 46 total lengths, and the notch part 47b of outer circumferential face extends on the almost whole total length of post 46.By notch part 47a, 47b are set, can make the mitigation that becomes of the tilt angle of the central part of post 46, with the axis almost parallel.The lubricating grease portion of accumulating that notch part 47a also can be used as to the rolling surface supply lubricating grease of tapered roller 3 plays a role.
Yet tapered roller bearing utilizes the encapsulation molding manufacturing usually with the resin retainer, so textural at mould, contacting of roller rolling surface and retainer post is roller path side.In Fig. 2 B, be represented by dotted lines the contacting part of roller rolling surface and retainer post.Therefore, the stress that retainer produced concentrates on the path side, particularly the bight portion in pocket hole.The pocket angle of spot hole portion of known resin retainer is little, concentrates so produce stress.Figure 3 shows that the pocket hole shape of tapered roller bearing with the resin retainer.As shown in the figure, the stress that is produced for the bight portion that makes the pocket hole relaxes and does not make the post reduction in strength, can stretch notch part 50 along the long side direction of post 46 and increase the bight in pocket hole.And, make the reduction in strength of retainer 40 in order to prevent the bight of taking out the pocket hole because of long side direction, so annular solid 42,44 axially can be thickeied along post 46.In Fig. 3, represent the annular solid end of known tapered roller bearing in the resin retainer with double dot dash line.
The FEM that implements a kind of whereabouts conflicting model based on the physical device that is assumed to be the rail truck axle bearing resolves, and when confirming bight when change pocket hole, the situation (with reference to table 1) of the stress that the bight the produced reduction in pocket hole.Therefore,, can relax stress and concentrate, reduce the stress that is produced in the bight in pocket hole portion by the bight that increases the pocket hole.And, be in the low recess 46a of retainer outside diameter of the side of post 46, in the boundary vicinity of attachment post 46 and big footpath side ring shape body 44 guide rolls not, and by roller guide face 49 guide rolls of the retainer internal side diameter that is in post 46 sides.Therefore, the size by the bight of the retainer outside diameter that increases post 46 can relax stress and concentrate.As a result, because the bearing load capacity improves, so even the little roller of the chamfering of packing into is not worried the decline of retainer intensity yet.
[table 1]
In addition, conical bearing of the present invention is not limited to above-mentioned example with retainer, only otherwise break away from main idea of the present invention in addition various changes certainly.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the structure that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (8)
1, a kind of holder for tapered roller bearing, the retainer of the tapered roller bearing of making for the encapsulation molding that utilizes synthetic resin, it is characterized in that: most posts by the path side ring shape body parallel to each other that axially leaves and big footpath side ring shape body, connection path side ring shape body and big footpath side ring shape body constitute, and the retainer outside diameter in the side of post is provided with the low recess that extends along the long side direction of post.
2, holder for tapered roller bearing according to claim 1 is characterized in that wherein said low recess is provided with on the total length of aforementioned post.
3, holder for tapered roller bearing according to claim 1 is characterized in that from the shape of the observed aforementioned low recess of retainer outside diameter, forms the triangle that narrows down gradually from the big footpath of path side direction side.
4, holder for tapered roller bearing according to claim 1 is characterized in that forming notch part at the inner peripheral surface and the big directly outer circumferential face of side of the path side of aforementioned post.
5, a kind of tapered roller bearing is characterized in that: have inner ring, outer ring, most individual tapered roller, retainer; Aforementioned retainer utilizes the encapsulation molding of synthetic resin and makes, and constitute by path side ring shape body parallel to each other that axially leaves and big footpath side ring shape body, most posts connecting path side ring shape body and big footpath side ring shape body, and the retainer outside diameter in the side of post is provided with the low recess that extends along the long side direction of post.
6, tapered roller bearing according to claim 5 is characterized in that wherein said low recess is provided with on the total length of aforementioned post.
7, tapered roller bearing according to claim 5 is characterized in that making the shape from the observed aforementioned low recess of retainer outside diameter, forms the triangle that narrows down gradually from the big footpath of path side direction side.
8, tapered roller bearing according to claim 5 is characterized in that forming notch part at the inner peripheral surface and the big directly outer circumferential face of side of the path side of aforementioned post.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003355144A JP4149350B2 (en) | 2003-10-15 | 2003-10-15 | Tapered roller bearings and cages for tapered roller bearings |
| JP2003355144 | 2003-10-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1607338A CN1607338A (en) | 2005-04-20 |
| CN100453837C true CN100453837C (en) | 2009-01-21 |
Family
ID=34612839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410084002XA Expired - Fee Related CN100453837C (en) | 2003-10-15 | 2004-10-13 | Tapered roller bearing and holder for tapered roller bearing |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4149350B2 (en) |
| CN (1) | CN100453837C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948592A (en) * | 2014-03-25 | 2015-09-30 | 株式会社捷太格特 | Cage unit and tapered roller bearing equipped with cage unit |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4697006B2 (en) * | 2006-03-30 | 2011-06-08 | 株式会社ジェイテクト | Roller bearing cage and tapered roller bearing |
| WO2008117774A1 (en) * | 2007-03-26 | 2008-10-02 | Ntn Corporation | One-way clutch and pulley unit with built-in one-way clutch |
| US8998498B2 (en) * | 2009-11-17 | 2015-04-07 | Nsk Ltd. | Tapered roller bearing and manufacturing method for retainer of tapered roller bearing |
| EP2532906A4 (en) * | 2010-02-05 | 2013-02-27 | Jtekt Corp | Conical roller bearing |
| FR2976640B1 (en) * | 2011-06-14 | 2013-07-12 | Ntn Snr Roulements | SPHERICAL BEARING CAGE AND SPHERICAL BEARING PROVIDED WITH SUCH A CAGE. |
| JP6162378B2 (en) * | 2012-08-10 | 2017-07-12 | Ntn株式会社 | Deep groove ball bearings for differential or transmission |
| JP6131945B2 (en) * | 2012-03-07 | 2017-05-24 | 中西金属工業株式会社 | Roller bearing cage, method of manufacturing the same, and method of manufacturing roller bearing |
| CN103727133A (en) * | 2012-10-15 | 2014-04-16 | 洛阳伊崧精密轴承技术开发有限公司 | Whole-stamping retainer structure for tapered roller bearings |
| CN105264247B (en) | 2013-06-06 | 2018-04-17 | Ntn株式会社 | Parts of bearings and rolling bearing |
| US10094422B2 (en) | 2013-06-06 | 2018-10-09 | Ntn Corporation | Bearing component and rolling bearing |
| CN105264246B (en) | 2013-06-06 | 2018-10-12 | Ntn株式会社 | Parts of bearings and rolling bearing |
| US10087989B2 (en) | 2013-06-06 | 2018-10-02 | Ntn Corporation | Bearing component and rolling bearing |
| DE102013211906B4 (en) * | 2013-06-24 | 2019-07-25 | Aktiebolaget Skf | Rolling bearing cage or segment for a rolling bearing cage and roller bearings |
| DE102014213994B4 (en) | 2013-08-14 | 2023-02-16 | Aktiebolaget Skf | Cage for a roller bearing and roller bearing |
| CN105793587B (en) * | 2013-11-22 | 2019-04-12 | 株式会社捷太格特 | Tapered roller bearing and power transmission |
| DE102013226550B4 (en) * | 2013-12-19 | 2016-02-11 | Aktiebolaget Skf | Rolling bearing cage or cage element |
| JP6874340B2 (en) * | 2016-11-17 | 2021-05-19 | 株式会社ジェイテクト | Tapered roller bearing |
| JP6875971B2 (en) * | 2017-09-28 | 2021-05-26 | Ntn株式会社 | Cage for tapered roller bearings and tapered roller bearings |
| EP3763958B1 (en) * | 2018-03-09 | 2023-02-15 | Nsk Ltd. | Tapered roller bearing |
| CN110645273A (en) * | 2019-09-25 | 2020-01-03 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Low-friction-torque tapered roller bearing retainer |
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| CN2202218Y (en) * | 1994-09-02 | 1995-06-28 | 湘潭轴承实业开发公司 | Solid cage for cylindrical roller bearings |
| JPH0914271A (en) * | 1995-07-04 | 1997-01-14 | Thk Kk | Spacer retainer for turning bearing |
| JP2000266061A (en) * | 1999-03-18 | 2000-09-26 | Ntn Corp | Ball bearing |
| CN1380497A (en) * | 2001-04-10 | 2002-11-20 | 艾赛株式会社 | Roller bearing with keeper having space for storing lubricating grease |
| JP2003287033A (en) * | 2002-03-28 | 2003-10-10 | Ntn Corp | Holder for roller bearing and roller bearing |
-
2003
- 2003-10-15 JP JP2003355144A patent/JP4149350B2/en not_active Expired - Fee Related
-
2004
- 2004-10-13 CN CNB200410084002XA patent/CN100453837C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202218Y (en) * | 1994-09-02 | 1995-06-28 | 湘潭轴承实业开发公司 | Solid cage for cylindrical roller bearings |
| JPH0914271A (en) * | 1995-07-04 | 1997-01-14 | Thk Kk | Spacer retainer for turning bearing |
| JP2000266061A (en) * | 1999-03-18 | 2000-09-26 | Ntn Corp | Ball bearing |
| CN1380497A (en) * | 2001-04-10 | 2002-11-20 | 艾赛株式会社 | Roller bearing with keeper having space for storing lubricating grease |
| JP2003287033A (en) * | 2002-03-28 | 2003-10-10 | Ntn Corp | Holder for roller bearing and roller bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948592A (en) * | 2014-03-25 | 2015-09-30 | 株式会社捷太格特 | Cage unit and tapered roller bearing equipped with cage unit |
| CN104948592B (en) * | 2014-03-25 | 2019-04-16 | 株式会社捷太格特 | Retainer unit and the tapered roller bearing for having the retainer unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4149350B2 (en) | 2008-09-10 |
| JP2005121097A (en) | 2005-05-12 |
| CN1607338A (en) | 2005-04-20 |
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