CN204900548U - Take antifriction bearing unit of encoder - Google Patents
Take antifriction bearing unit of encoder Download PDFInfo
- Publication number
- CN204900548U CN204900548U CN201520493536.1U CN201520493536U CN204900548U CN 204900548 U CN204900548 U CN 204900548U CN 201520493536 U CN201520493536 U CN 201520493536U CN 204900548 U CN204900548 U CN 204900548U
- Authority
- CN
- China
- Prior art keywords
- axial
- outer ring
- encoder
- contact
- lip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- F16C33/72—Sealings
- F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
-
- 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
- F16C19/18—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 two or more rows of balls
- F16C19/181—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 two or more rows of balls with angular contact
- F16C19/183—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 two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
Abstract
The utility model relates to a take antifriction bearing unit of encoder, it is used for for the rotatory wheel that supports the automobile freely of suspension device to detect the rotational speed of wheel. In this take antifriction bearing unit of encoder, the gomphosis section of thick bamboo portion that constitutes the lid comprises main part section of thick bamboo portion and non -contact section of thick bamboo portion, this main part section of thick bamboo portion is embedded is fixed in lean on the first gomphosis face inner peripheral surface of axial inner part on of formation in the outer lane, this non -contact section of thick bamboo portion compare with main part section of thick bamboo portion establish the axial inboard and not with the inner peripheral surface contact of outer lane, be fixed with the sealing member on the outer peripheral face of non -contact section of thick bamboo portion, the sealing member comprises lip main part and supplementary lip, the sealed face contact that the front end reason is big with the first gomphosis face of internal diameter dimensionaal ratio of this lip main part, the state that should supplementary lip extends to the outside with the radius vector forms and makes the inboard chamfer portion contact of axial side and the axial formed at sealed face. Through the utility model discloses, can fully ensure to establish the leakproofness between the inner peripheral surface of sealing member and outer lane on the outer peripheral face of lid.
Description
Technical field
The utility model relates to the wheel support bearing rotatably supporting automotive wheel.
Background technique
Draft hitch rotation of wheel being bearing in freely automobile has in the roller bearing unit for the speed detector of inspection vehicle wheel speed, makes the detection unit of the sensor of supporting and fixing in non-rotary part and supporting and fixing in relative with the detected face of the encoder in a part for the wheel hub that wheel together rotates.And the output signal of the sensor changed based on the rotation along with encoder obtains the rotating speed of wheel.In order to prevent muddy water or dust etc. to be attached to reliability encoder damaging Rotating speed measring, lid is used encoder and outside to be separated.
In order to fully guarantee the sealability realized based on lid, fixed by adding the bonding embedding part (outer circumferential face) by Sealing and lid of sulphur in the past.But, add sulphur bonding after, need forming die to remove vertically (extracting out reluctantly), be therefore difficult to increase the overhang of Sealing from outer circumferential face.Therefore, larger magnitude of interference cannot be possessed on Sealing, based on the easy step-down of sealability that Sealing realizes.
Patent documentation 1: Japanese Unexamined Patent Publication 2013-194861 Japanese Laid Open Patent
Model utility content
The utility model is made in view of the foregoing, its problem is, realizing a kind of structure of the roller bearing unit with encoder, fully can guaranteeing the sealability between Sealing on the outer circumferential face of the lid be located at for encoder and outside being separated and the inner peripheral surface of outer ring.
In order to solve above-mentioned problem, the utility model provides a kind of roller bearing unit with encoder, and it has: the outer ring on inner peripheral surface with multiple row outer ring raceway; Outer circumferential face has multiple row inner ring raceway and is bearing in the wheel hub of the internal side diameter of outer ring; Respective rolling is located at the multiple rolling elements between each outer ring raceway and each inner ring raceway freely; Circular encoder, its make the magnetic of axial inner side surface in a circumferential direction alternately change form, and be bearing in the axial inner end of wheel hub; The lid of non magnetic plate, it has the chimeric cylinder portion extended vertically and the base plate extended towards radially inner side from the axial inner ends edge in chimeric cylinder portion, cover embedded be fixed on outer ring by axial inner ends part on; And sensor retaining component, it is located at axial inner side compared with lid, and to make the detection unit of sensor keep sensor across the state that base plate is relative with the detected face of encoder vertically, the feature of the roller bearing unit of described band encoder is,
Chimeric cylinder portion has: main body cylinder portion, and it is embedded is fixed on the first chimeric surface, and this first chimeric surface is formed on the inner peripheral surface of the part by axial inner ends of outer ring, non-contact cylinder portion, it is located at axial inner side and does not contact with the inner peripheral surface of outer ring compared with main body cylinder portion, the outer circumferential face in non-contact cylinder portion is fixed with the Sealing of elastic material, Sealing has lip main body, and be located at axial inner side and the auxiliary lip extended towards radial outside compared with lip main body, the sealing surface be formed in the front-end edge of lip main body and the inner peripheral surface of outer ring with in the part that axially inner side is adjacent of the first chimeric surface is contacted within the scope of complete cycle, and make in a part for auxiliary lip and the inner peripheral surface of outer ring, to be formed in sealing surface and contact within the scope of complete cycle with by the part between embedded for sensor retaining component the second fixing chimeric surface.
And in the roller bearing unit of above-mentioned band encoder, the front end of auxiliary lip is the shape of belt difference, the axial inboard portion of the front end of auxiliary lip is provided with compared with axial external lateral portion to the thin-walled extending portion that radial outside extends.
According to the roller bearing unit of band encoder of the present utility model, fully can guarantee to be located at the sealability between Sealing on the outer circumferential face of lid and the inner peripheral surface of outer ring.
Accompanying drawing explanation
Fig. 1 is the sectional view of the roller bearing unit of the band encoder representing the 1st mode of execution.
Fig. 2 is the upper right portion enlarged view of Fig. 1.
Fig. 3 is the lower right-most portion enlarged view of Fig. 1.
Fig. 4 is the lower right-most portion enlarged view of the roller bearing unit of the band encoder representing the 2nd mode of execution.
Fig. 5 is the lower right-most portion enlarged view of the roller bearing unit of the band encoder representing the 3rd mode of execution.
Embodiment
1st mode of execution
By Fig. 1 ~ 3, the 1st mode of execution of the present utility model is described.In addition, in the accompanying drawings, as Sealing shape and represent the shape under free state by solid line, be illustrated by the broken lines the shape under installment state.And, about axis, be called in the left side being assembled to each figure outside the width direction becoming vehicle body under the state on vehicle body " outward ".On the contrary, about axis, the right side of each figure becoming the width direction center side of vehicle body is called " interior ".
The internal side diameter that wheel hub 3 is rotatably bearing in outer ring 2 forms via multiple rolling element 4 by the roller bearing unit 1 with encoder.Outer ring 2 is provided with multiple row outer ring raceway 7a, 7b on inner peripheral surface.On the inner peripheral surface of the axial inner ends side part of outer ring 2, be formed with 3 barrel surface (separate cylinder face) i.e. the first chimeric surface 23, sealing surface 50 and the second chimeric surface 32 that internal diameter size becomes large successively successively from axial outside.Part in the inner peripheral surface of outer ring 2 between sealing surface 50 and the second chimeric surface 32 is formed and keeps out of the way groove 51, be formed with chamfered section 52 keeping out of the way in the continuous portion between groove 51 and sealing surface 50.Wheel hub 3 is provided with multiple row inner ring raceway 8a, 8b and the rotary-side flange 9 for supporting and fixing solid of rotation on outer circumferential face, and this solid of rotation forms wheel or disk type braker.Each rolling element 4 outer ring raceway 7a, 7b and between inner ring raceway 8a, 8b on each row respective rolling be provided with multiple freely.
Embeddingly be fixed with encoder 15 the axial inner end of wheel hub 3 is upper outside.Encoder 15 is L-shaped by cross section and the overall supporting ring 16 for circular magnetic holding plate and the encoder main body 17 be fixed on supporting ring 16 are formed.Encoder main body 17 for permanent magnetism iron and be configured to circle shape, as on the axial inner side surface in detected face, alternately and be equally spaced configured with S pole and N pole.
To be present between the inner peripheral surface of outer ring 2 and the outer circumferential face of wheel hub 3 and be provided with encoder 15, inner space 19 axially in side opening by covering 20 sealings.Thus, prevent the foreign matter such as muddy water or dust from invading to inner space 19 from outside.
Lid 20 is in the mode that can not have an impact to the detection perform of the sensor 29 of Rotating speed measring, and be made up of the non magnetic sheet material of the austenitic stainless steel plates such as SUS304 etc., thickness of slab is fixing.Lid 20 makes entirety be configured to bottomed cylindrical, has the chimeric cylinder portion 21 extended vertically and the base plate 22 extended from the axial inner ends edge in chimeric cylinder portion 21 towards radially inner side.Chimeric cylinder portion 21 by the main body cylinder portion 24 be located on axial lateral half be located at axially in the half portion of inner side and the non-contact cylinder portion 25 do not contacted with the inner peripheral surface of outer ring 2 and form.Main body cylinder 24 is configured to the separate cylinder shape that outside dimension does not change vertically, embedded the first chimeric surface 23 being fixed on outer ring 2.Non-contact cylinder portion 25 is made up of taper cone barrel portion, local 42 and path cylindrical part 43, wherein, this taper cone barrel portion, local 42 with the axial inner ends edge continuous print state in main body cylinder portion 24 under arrange, more trend axially more tilts to the direction towards radially inner side inner side, this path cylindrical part 43 with taper cone barrel portion 42, local continuous print state under arrange, outside dimension does not change vertically.In addition, the axial dimension in non-contact cylinder portion 25 is more than 2 times of the thickness size of sheet material, is preferably more than 3 times.Thereby, it is possible to the power towards radially inner side be applied in chimeric cylinder portion 21 to be consumed in the distortion in non-contact cylinder portion 25, can prevent from thus, in base plate 22, axial deformation occurs.
It is discoideus that base plate 22 makes entirety be configured to, and have plat part 44.Plat part 44 is arranged under the state of radially inner side warpage at the axial inner ends edge from non-contact cylinder portion 25, is circle shape, and is located at the detected face of encoder 15 close in relative part.
On the outer circumferential face in non-contact cylinder portion 25, bonding and be fixed with the Sealing 26 of the elastic material of nitrile rubber (NBR) etc. by adding sulphur.On Sealing 26, be provided with the lip main body 27 larger than the outside dimension of chimeric cylinder portion 21 (main body cylinder portion 24) of outside dimension under free state and auxiliary lip 49.Lip main body 27, with the cross section roughly trapezoid shaped reduced along with the thickness size axially from base end part towards front end, is located on the axial external lateral portion of Sealing 26.The front-end edge of lip main body 27 with to be formed in the sealing surface 50 in the part that axially inner side is adjacent of the first chimeric surface 23 within the scope of complete cycle to have the state contacts of magnitude of interference.In auxiliary lip 49, thickness size is fixing from base end part to front end, extends in a free state to radial outside.Under the free state of Sealing 26, the radial position of the front-end edge of auxiliary lip 49 is positioned at radial outside compared with the radial position of the front-end edge of lip main body 27.By under lid 20 and the embedded fixing state in outer ring 2, its radially outer end of the axial outer side surface of auxiliary lip 49 is made to divide the chamfered section 52 relative to outer ring 2 and contact within the scope of complete cycle.In this condition, auxiliary lip 49 more tends to radial outside more to the direction elasticity inclination towards axial inner side.
Be provided with in the axis inner side of lid 20 sensor retaining component 28 keeping sensor 29, this sensor 29 is for detecting rotating speed.Sensor retaining component 28 makes entirety be configured to bottomed cylindrical, has the cylindrical part 30 that extends vertically and from the axial inner ends edge of cylindrical part 30 towards the bottom 31 that radially inner side extends.Sensor retaining component 28 by the axial outer half of cylindrical part 30 and the second chimeric surface 32 embedded fixing.Part relative with the detected face of encoder main body 17 vertically in bottom 31 is formed with penetration hole 34, in penetration hole 34, is inserted with the detection unit of sensor 29.Compared with penetration hole 34 by the part of radially inner side is formed with mounting hole 35, be fixed with nut 36 at peripheral part of mounting hole 35.
Construction bolt 55 and nut 36 screw togather and fastening by sensor 29, remain on thus on sensor retaining component 28.Make the axial inner side surface of the detection unit of sensor 29 and plat part 44 close to relative or abut.Thus, make detection unit relative with the detected face of encoder main body 17 across plat part 44.
By above formation, can guarantee to be located at the sealability between Sealing 26 on the outer circumferential face of lid 20 and the inner peripheral surface of outer ring 2 fully.That is, in this case, on Sealing 26, be provided with the lip main body 27 contacted with sealing surface 50, and on this basis, be provided with the auxiliary lip 49 contacted within the scope of complete cycle relative to chamfered section 52.And, by under lid 20 and the embedded fixing state in outer ring 2, make auxiliary lip 49 more tend to radial outside and more tilt to the direction elasticity towards axial inner side.Therefore, even if when muddy water etc. invades the inner side to sensor retaining component 28, muddy water along after the axial inner side surface of the base plate 22 of lid 20 flows to below, can along the axial inner side surface of auxiliary lip 49 to axial inner side and radial outside guide.And, the weep hole 53 of muddy water the cylindrical part 30 being formed in sensor retaining component 28 can be made to pass through and externally discharge.
And the internal diameter size of sealing surface 50 and the second chimeric surface 32 is larger than the internal diameter size of the first chimeric surface 23, can prevent thus when the press-in of lid 20, the outer circumferential face in main body cylinder portion 24 produces the axial scar becoming the intrusion path of foreign matter.
2nd mode of execution
With reference to Fig. 4, the 2nd mode of execution is described.In this case, the front end of the auxiliary lip 49a forming Sealing 26a is set to the shape of belt difference, and is provided with compared with axial lateral half to the thin-walled extending portion 54 that radial outside extends in the axially inner side half portion of the front end of auxiliary lip 49a.Thin-walled extending portion 54, under the state making the axial outer side surface of auxiliary lip 49a contact with chamfered section 52, becomes the shape to the direction bending (warpage) close to chamfered section 52 in the mode covered by contacting part.Therefore, it is possible to assist the contacting part of lip 49a and chamfered section 52 from foreign matter protections such as muddy water.The formation of other parts and action effect identical with the situation of the 1st mode of execution.
3rd mode of execution
With reference to Fig. 5, the 3rd mode of execution is described.In this case, employ the Sealing 26a with the auxiliary lip 49a identical with above-mentioned 2nd mode of execution, but thin-walled extending portion 54 is contacted with a part of sensor retaining component 28a.Particularly, being formed with more to tend to axially outside at the axial outer end portion of cylindrical part 30a, more towards the joggling part 55 of radially inner side warpage, makes the front-end edge of thin-walled extending portion 54 contact within the scope of complete cycle relative to the inner peripheral surface of joggling part 55.
Because the foreign matters such as muddy water can not accumulation keeping out of the way in groove 51, so can prevent from getting rusty on sensor retaining component 28a.Other form and action effect identical with the situation of the 1st and the 2nd mode of execution.
The roller bearing unit of band encoder of the present utility model can be used in the wheel rotatably supporting automobile relative to draft hitch, and detects the rotating speed of wheel.
Claims (2)
1. the roller bearing unit with encoder, it has:
Inner peripheral surface has the outer ring of multiple row outer ring raceway;
Outer circumferential face has multiple row inner ring raceway and is supported in the wheel hub of the internal side diameter of described outer ring;
Respective rolling is located at the multiple rolling elements between each described outer ring raceway and each described inner ring raceway freely;
Circular encoder, its make the magnetic of axial inner side surface in a circumferential direction alternately change form, and be supported in the axial inner end of described wheel hub;
The lid of non magnetic plate, it has the chimeric cylinder portion extended vertically and the base plate extended towards radially inner side from the axial inner ends edge in described chimeric cylinder portion, and described lid is embedded to be fixed in the part leaning on axial inner ends of described outer ring; With
Sensor retaining component, it is located at axial inner side compared with described lid, to make the detection unit of sensor keep described sensor across the state that described base plate is relative with the detected face of described encoder vertically, the feature of the roller bearing unit of described band encoder is
Described chimeric cylinder portion has: main body cylinder portion, and it is embedded is fixed on the first chimeric surface, and this first chimeric surface is formed on the inner peripheral surface of the part by axial inner ends of described outer ring; Non-contact cylinder portion, it is located at axial inner side and does not contact with the inner peripheral surface of described outer ring compared with described main body cylinder portion,
The outer circumferential face in described non-contact cylinder portion is fixed with the Sealing of elastic material,
Described Sealing has lip main body and is located at axial inner side and the auxiliary lip extended towards radial outside compared with described lip main body, make to be formed in the front-end edge of described lip main body and the inner peripheral surface of described outer ring and contact within the scope of complete cycle with the sealing surface in the part that axially inner side is adjacent of described first chimeric surface, and make in a part for described auxiliary lip and the inner peripheral surface of described outer ring, to be formed in described sealing surface and contact within the scope of complete cycle with by the part between embedded for described sensor retaining component the second fixing chimeric surface.
2. the roller bearing unit of band encoder according to claim 1, is characterized in that,
The front end of described auxiliary lip is the shape of belt difference, and the axial inboard portion of the front end of described auxiliary lip is provided with compared with axial external lateral portion to the thin-walled extending portion that radial outside extends.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-178172 | 2014-09-02 | ||
| JP2014178172A JP6398484B2 (en) | 2014-09-02 | 2014-09-02 | Rolling bearing unit with encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900548U true CN204900548U (en) | 2015-12-23 |
Family
ID=54922728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520493536.1U Expired - Fee Related CN204900548U (en) | 2014-09-02 | 2015-07-09 | Take antifriction bearing unit of encoder |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6398484B2 (en) |
| CN (1) | CN204900548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072980A (en) * | 2016-04-20 | 2018-12-21 | Nok株式会社 | Seal construction |
| CN112513483A (en) * | 2018-08-16 | 2021-03-16 | Ntn株式会社 | Bearing device for wheel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008164004A (en) * | 2006-12-27 | 2008-07-17 | Ntn Corp | Bearing device for wheel |
| JP5894389B2 (en) * | 2011-07-28 | 2016-03-30 | Ntn株式会社 | Wheel bearing device |
| JP2012232708A (en) * | 2011-05-09 | 2012-11-29 | Nsk Ltd | Wheel-supporting rolling bearing unit |
| JP5914077B2 (en) * | 2012-03-21 | 2016-05-11 | Ntn株式会社 | Wheel bearing device |
| JP6274921B2 (en) * | 2014-03-12 | 2018-02-07 | Ntn株式会社 | Wheel bearing device |
-
2014
- 2014-09-02 JP JP2014178172A patent/JP6398484B2/en active Active
-
2015
- 2015-07-09 CN CN201520493536.1U patent/CN204900548U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072980A (en) * | 2016-04-20 | 2018-12-21 | Nok株式会社 | Seal construction |
| CN112513483A (en) * | 2018-08-16 | 2021-03-16 | Ntn株式会社 | Bearing device for wheel |
| CN112513483B (en) * | 2018-08-16 | 2022-09-13 | Ntn株式会社 | Bearing device for wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6398484B2 (en) | 2018-10-03 |
| JP2016050667A (en) | 2016-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20200709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |