CN206754176U - Sealing device and the roller bearing unit with sealing device - Google Patents
Sealing device and the roller bearing unit with sealing device Download PDFInfo
- Publication number
- CN206754176U CN206754176U CN201720308578.2U CN201720308578U CN206754176U CN 206754176 U CN206754176 U CN 206754176U CN 201720308578 U CN201720308578 U CN 201720308578U CN 206754176 U CN206754176 U CN 206754176U
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- China
- Prior art keywords
- sealing device
- axial seal
- seal lip
- end edge
- sliding contact
- Prior art date
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3456—Pressing means without external means for pressing the ring against the face, e.g. slip-ring with a resilient lip
-
- 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
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
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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
- F16C33/72—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
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7826—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of the opposing surface cooperating with the seal, e.g. a shoulder surface of a bearing ring
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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
- F16C33/72—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
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
It the utility model is related to the sealing device of the opening portion closing for the rolling bearing being assembled in the rotation supporting portion of various mechanical devices and possess the roller bearing unit with sealing device of the sealing device.The sliding contact surface of front-end edge institute sliding contact for axial seal lip, the size for radially contacting with width dimensions W and being set as more than two pitches of the convex portion that composition is ground lines of its front-end edge.Because the front-end edge of axial seal lip will not enter to the inner side for the recess for forming grinding lines dearly, diametrically vibrated so axial seal lip can be suppressed, and the abnormal sound for preventing from being referred to as sealing noise produces.
Description
Technical field
It the utility model is related to the opening portion envelope for the rolling bearing that will be assembled in the rotation supporting portion of various mechanical devices
The sealing device that closes and the roller bearing unit with sealing device for possessing the sealing device.
Background technology
The rolling bearing being assembled in the rotation supporting portion of various mechanical devices possesses sealing device, so as to prevent lubricating grease
Leaked from the inner space of rolling bearing, and prevent the foreign matter for being present in exterior space from entering to inner space.Fig. 5 represents patent
The structure for the sealing device that document 1 is recorded, and as the rolling bearing list with sealing device for possessing this sealing device
One of member.
Sealing ring 19 as sealing device is made up of the core 20 and encapsulant 21 of annular shape.Encapsulant 21 is by bullet
Property material be made, it possesses three sealing lips, and its base end part is combined and is fixed on core 20.Make the axial direction that axially protrudes close
Seal front-end edge and the complete cycle sliding contact of the side of the rotary-side flange 10 as the contact surface that slides axially of lip 22.
Grinding is implemented to the outer peripheral face of the hub body 5 with above-mentioned rotary-side flange 10.As shown in fig. 6, logical
Cross magnetic attracting force and make in the state of magnechuck 25 combined with rotary-side flange 10, to rotate magnechuck 25, so that
Hub body 5 rotates.The outer peripheral face of hub body 5 is rotatably supported by by the leading section of bearing shell (shoe) 26, from
And seek the positioning of hub body 5 diametrically.Then, forming lapping stone 27 is pushed to the outer peripheral face of hub body 5, to wheel
The outer peripheral face of hub main body 5 implements grinding.In addition, the outer peripheral face shape of grinding stone 27 is repaiied by shaping rotating trim device 28
It is whole.Shoe plate
In the case where implementing that above-mentioned grinding, as enlargedly shown in Fig. 7,8, it is possible to convex in rotary side
On the side of edge 10, the grinding for the logarithmic spiral shape (vortex shape) being radially alternately arranged formed with recess 29 and convex portion 30
Lines 31.Because：When carrying out grinding, abrasion can be produced in the leading section of bearing shell 26, thus easily causes wheel hub
Central shaft of the central shaft O5 of main body 5 height (core height, Fig. 6 paper table carry on the back the height on direction) with grinding stone 27
O27 height (core height) becomes inconsistent, and the grinding surface (grinding points) of grinding stone 27 is relative to rotary-side flange 10
The positions of axial sides can change along the vertical direction.
As shown in figure 8, the front-end edge of axial seal lip 22 enters to the interior of the recess 29 of composition grinding lines 31 dearly
Side, it is possible to radially move back and forth when hub body 5 rotates.Therefore, it is possible to cause axial seal lip 22 diametrically
Vibration, and produce the abnormal sound for being referred to as sealing noise.In addition, narrowly, the interval radially of grinding lines 31 more tends to
Radial outside can become bigger, but the change is very small.
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2010-261598 Publications
Utility model content
The utility model is in order to solve the above problems, and to realize that a kind of abnormal sound that can suppress to be referred to as to seal noise produces
The structure of raw sealing device and to provide a kind of roller bearing unit with sealing device for possessing this sealing device be class
Topic.
In order to solve above-mentioned problem, the utility model provides a kind of sealing device, and it cuts inner space and exterior space
Disconnected, above-mentioned inner space is present between a pair of the parts to rotate relative to one another, and above-mentioned sealing device possesses by above-mentioned one
To the axial seal lip of a parts carry in part, and make the front-end edge of above-mentioned axial seal lip with being located at above-mentioned a pair
The complete cycle sliding contact of the sliding contact surface on another part in part, the sealing device be characterised by,
Above-mentioned sliding contact surface has the contact surface that slides axially towards the lines for being axially formed logarithmic spiral shape, and this is right
The spiral helicine lines of number is diametrically alternately arranged recess and convex portion forms, and the front-end edge of axial seal lip is with sliding axially
The width dimensions that radially contact with of the part of contact surface sliding contact are sizes more than two pitches of radially adjacent convex portion.
Additionally, it is provided a kind of roller bearing unit with sealing device, it possesses：With outer ring raceway on inner peripheral surface
Outer ring；On outer peripheral face have inner ring raceway and with the wheel hub of outer ring concentric arrangement；Rolling be located at freely outer ring raceway with it is interior
The multiple rolling elements enclosed between raceway；The rotary-side flange being located on the outer peripheral face of wheel hub；With the inner peripheral surface that will be present in outer ring
The sealing ring of the opening portion closing of inner space between the outer peripheral face of wheel hub, the roller bearing unit with sealing device
It is characterised by,
Sealing ring is above-mentioned sealing device, and sealing ring is supported by the axial end portion of outer ring, forms the axial seal of sealing ring
The front-end edge of lip and the complete cycle sliding contact of the side of the rotary-side flange as the contact surface that slides axially.
According to the utility model, a kind of sealing device and the roller bearing unit with sealing device, its energy can be realized
Enough abnormal sounds for suppressing to be referred to as sealing noise produce.
Brief description of the drawings
Fig. 1 is the sectional view for the roller bearing unit with sealing device for representing first embodiment.
Fig. 2 is Fig. 1 A portions enlarged drawing.
Fig. 3 is Fig. 2 B portions enlarged drawing.
Fig. 4 be represent second embodiment with Fig. 3 identical enlarged drawings.
Fig. 5 is the sectional view of the sealing ring for the sealing device for representing conventional structure.
Fig. 6 is the sectional view that the outer peripheral face of the hub body viewed from above to Fig. 5 implements the process of grinding.
Fig. 7 be from end on observation to Fig. 5 rotary-side flange ideograph.
Fig. 8 is Fig. 5 E portions enlarged drawing.
Embodiment
(first embodiment)
Fig. 1~3 represent first embodiment of the present utility model.The rolling bearing list with sealing device of present embodiment
Member 1 is the part for the wheel of automobile rotatably to be supported relative to draft hitch, and it possesses：It is outer ring 2, wheel hub 3, more
Individual rolling element (ball) 4,32 and sealing ring 19a of cover.
Outer ring 2 is iron class alloy system and is configured to substantially cylindric, its have on inner peripheral surface multiple row outer ring raceway 7a,
7b, and there is static side flange 33 on outer peripheral face.Outer ring 2 is fixed on suspension (not shown) by the way that static side flange 33 is combined
On the knuckle of device, and supporting and fixing is on draft hitch.
Wheel hub 3 is formed in a manner of hub body 5a is combined into fixation with inner ring 6, and the internal side diameter in outer ring 2 and outer ring 2
Concentric arrangement.Hub body 5a is made up of iron class alloy, in outer peripheral face from the open-ended portion axially protruded of outer ring 2
On point, provided with the rotary-side flange 10a for supporting and fixing wheel or rotating disk.Hub body 5a has inner ring rolling on outer peripheral face
The side of road 8a, inner ring raceway 8a and rotary-side flange 10a radially inner side (base end part) is partial circle by cross sectional shape
The concave curved surface 37 of arc and it is continuous.On hub body 5a outer peripheral face, provided with path layers of difference portion 38.
Inner ring 6 is high-carbon-chromium bearing steel system and is configured to substantially circular, and it is on outer peripheral face formed with inner ring raceway 8b.
Inner ring 6 is by interference fit and in the outer path layers of difference portion 38 for being fixed on hub body 5a.By the axle for making hub body 5a
The compressed part 39 for being plastically deformed and being formed to end to radial outside, and inner ring 6 is fixed on hub body 5a.
Each rolling element 4 rolls the portion configured freely between each outer ring raceway 7a, 7b and each inner ring raceway 8a, 8b respectively
In point.
The axial both ends open part for the inner space 14 being present between the inner peripheral surface of outer ring 2 and the outer peripheral face of wheel hub 3
Do not blocked by cover 32 and sealing ring 19a.Cover 32 is monolithically fabricated as bottomed cylindrical, and on the axial end portion of outer ring 2.
As shown in Fig. 2 sealing ring 19a is made up of core 20a and encapsulant 21a.Core 20 passes through to metals such as steel plates
Plate implements punch process, and it is substantially C-shaped and overall in annular shape to be configured to section.By core 20a outside diameter cylindrical portion
43 are fixed on the inner peripheral surface of outer ring 2 by interference fit and embedded.
The elastomer elastomeric material as such as rubber of encapsulant 21 is made, to cover core 20a side
Mode, which combines, fixes, and possesses three sealing lip 22a, 23,24.The axial seal lip that the state for making to axially protrude is set
22a front-end edge and the complete cycle sliding contact of the side of rotary-side flange 10.Make with two of radially projecting state setting
The complete cycle sliding contact of the front-end edge of radial seal lip 23,24 and the concave curved surface 37 being located on hub body 5a outer peripheral face.This
Sample, the side of rotary-side flange 10a base end part are the axial seal lip 22a contact surface 34 that slides axially, and this, which slides axially, connects
Contacting surface 34 constitutes the sliding contact surface of each sealing lip 22a, 23,24 with concave curved surface 37.Contact surface 34 slide axially from macroscopic view
(macro) on, configure on the virtual plane of the orthogonality of center shaft with hub body 5a, and come up from microcosmic (micro)
Say, the recess 29a being recessed vertically and raised convex portion 30a are diametrically alternately arranged (section is in wavy).
Axial seal lip 22a and radial seal lip 23 more tend to front-end edge from proximate edge, get over to towards exterior space
The direction of (with the opposite side of inner space 14) is tilted, and function is prevented so as to improve foreign matter intrusion.Radial seal lip 24 more from
Proximate edge tends to front-end edge, more to the direction inclination towards the side of inner space 14, prevents so as to improve lubricating grease leakage
Only function.
Hub body 5a outer peripheral face identically with the conventional structure shown in Fig. 6, implemented and carried out using forming lapping stone
Grinding.Specifically, in the state of hub body 5a outer peripheral face is rotatably carry by bearing shell, wheel hub is made
Main body 5a rotates.Then, grinding stone is pushed to hub body 5a outer peripheral face, to rotary-side flange 10a from sliding axially
Contact surface 34, concave curved surface 37 and inner ring raceway 8a implement grinding simultaneously until the scope of path layers of difference portion 38.In this reality
In the case of applying mode, it is also possible to because of the influence of the abrasion of bearing shell leading section, and cause the height of hub body 5a central shaft
The height (core height) of degree (core height) and the central shaft of grinding stone becomes inconsistent, and the grinding surface (mill of grinding stone
Cut a little) changed relative to the position of rotary-side flange 10a side.As a result, it is enlargedly shown in such as Fig. 3, revolving
Change one's position flange 10a base end part side (slide axially contact surface 34) on, it is radially mutual formed with recess 29a and convex portion 30a
The grinding lines 31a for the logarithmic spiral shape (equiangular spiral shape, vortex shape) that the configuration that alternates forms.Because grinding lines 31a is
Logarithmic spiral shape, so radially adjacent a pair of convex portions 30a, 30a (recess 29a, 29a) mutual pitch P more tends to be ground
Lines 31a radial outside becomes bigger.
In this case, axial seal lip 22a front-end edge is formed as：Abutted with axial chimeric surface 34 and
Deform and be roughly parallel to virtual plane, the circular tabular surface 46 of wheel hub 3a orthogonality of center shaft (cross sectional shape from
It is macroscopically linear to be seen as).In addition, Fig. 3 shows tabular surface 46 by being abutted with axial chimeric surface 34 and bullet from microcosmic
Property deformation after state (the convex portion 30a by being ground lines 31a make tabular surface 46 be flexibly recessed after state).
What tabular surface 46 abutted with the contact surface 34 that slides axially, which radially contact with width dimensions W, is limited to axial seal lip 22a
The sliding contact of front-end edge (tabular surface 46) institute radial position a on, radially adjacent convex portion 30a, 30a (or recess
29a, 29a) two pitches size (W=P1+P2).
According to the difference in height between the central shaft of hub body 5a during grinding and grinding stone 27a central shaft and
The radial position a of axial seal lip 22a front-end edge, radially adjacent convex portion 30a, 30a pitch P are obtained, and with the section
Tabular surface 46 is set on the basis of value away from P radially contacts with width dimensions W.It is further possible to before axial seal lip 22a
Tabular surface 46 is pre-set on ora terminalis.
According to the roller bearing unit 1 with sealing device of the present embodiment with above structure, it can be ensured that fully
Sealing, and suppress be referred to as seal noise abnormal sound produce.
That is, the width dimensions W that radially contacts with for the tabular surface 46 that will be formed on axial seal lip 22a front-end edge is limited to
The size of each convex portion 30a two pitches.Thus, axial seal lip 22a front-end edge will not be made to enter to composition mill dearly
Lines 31a recess 29a inner side is cut, but can be formed as making it set up (across) at least two (most three) convex portions
State between 30a, 30a.Therefore, in the case where wheel hub 3a rotates, it also can effectively prevent axial seal lip 22a's
Front-end edge radially moves back and forth because of grinding lines 31a.Therefore, it is possible to make axial seal lip 22a front-end edge with axially sliding
Sliding contact state between dynamic contact surface 34 is stable, so as to ensure sufficient sealing.In addition, it can prevent axially close
Envelope lip 22a diametrically vibrates, so as to prevent the abnormal sound for being referred to as sealing noise from producing.
(second embodiment)
Fig. 4 represents second embodiment of the present utility model.Present embodiment is characterised by, axial seal lip 22b's
Front-end edge radially contact with width dimensions W be set to it is bigger than first embodiment.
Axial seal lip 22b front-end edge elastic deformation and form tabular surface 46a, by radially contacting with for tabular surface 46a
Width dimensions W is limited on the radial position a of axial seal lip 22b front-end edge institute sliding contact, radially adjacent convex
The size (W=P1+P2+P3) of portion 30a, 30a three pitches.
In this case, it can be formed as making axial seal lip 22b front-end edge (tabular surface 46a) to set up
The state of (across) between at least three (most four) convex portion 30a.Therefore, tabular surface 46a is more difficult to enter to recess
29a inner side, axial seal lip 22b can prevent abnormal sound from producing and seek the raising of sealing.
If in addition, axial seal lip 22b front-end edge radially contact with width dimensions W become it is too much if, can produce
The problems such as sealed force moment increase.It is therefore preferable that it is, when implementing grinding, by hub body 5a central shaft and grinding stone
Central shaft between difference in height be suppressed to pitch (such as 0.18mm or so) that is small, and reducing grinding lines 31a.
It is identical with the situation of first embodiment on other structures and action effect.
Claims (2)
1. a kind of sealing device, it blocks inner space and exterior space, and the inner space, which is present in, to rotate relative to one another
A pair of parts between, the sealing device possesses by the axial seal of a parts carry in the pair of part
Lip, and make the front-end edge of the axial seal lip and the sliding contact surface on another part in the pair of part
Complete cycle sliding contact, the sealing device be characterised by,
The sliding contact surface has the contact surface that slides axially towards the lines for being axially formed logarithmic spiral shape, the logarithm spiral shell
The lines of rotation shape is diametrically alternately arranged recess and convex portion forms,
The front-end edge of the axial seal lip radially contacts with broad-ruler with the part of the contact surface sliding contact that slides axially
It is very little be the radially adjacent convex portion two pitches more than size.
2. a kind of roller bearing unit with sealing device, it possesses：There is the outer ring of outer ring raceway on inner peripheral surface；In periphery
On face have inner ring raceway and with the wheel hub of the outer ring concentric arrangement；Rolling be located at freely the outer ring raceway with it is described
Multiple rolling elements between inner ring raceway；The rotary-side flange being located on the outer peripheral face of the wheel hub；With will be present in it is described outer
The sealing ring of the opening portion closing of inner space between the outer peripheral face of the inner peripheral surface of circle and the wheel hub, this is with sealing device
Roller bearing unit is characterised by,
The sealing ring is the sealing device described in claim 1, and the sealing ring is supported by the axial end portion of the outer ring, structure
Front-end edge and the side of the rotary-side flange as the contact surface that slides axially into the axial seal lip of the sealing ring
Complete cycle sliding contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016066222A JP6583093B2 (en) | 2016-03-29 | 2016-03-29 | Sealing device and rolling bearing unit with sealing device |
| JP2016-066222 | 2016-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754176U true CN206754176U (en) | 2017-12-15 |
Family
ID=58773894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720308578.2U Active CN206754176U (en) | 2016-03-29 | 2017-03-28 | Sealing device and the roller bearing unit with sealing device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6583093B2 (en) |
| CN (1) | CN206754176U (en) |
| DE (1) | DE202017101822U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630286A (en) * | 2018-02-22 | 2020-09-04 | Nok株式会社 | Sealing device |
| CN113994113A (en) * | 2019-06-26 | 2022-01-28 | Nok株式会社 | Sealing device |
| CN114412926A (en) * | 2022-01-26 | 2022-04-29 | 山东朝阳轴承有限公司 | Bearing sealing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7134610B2 (en) | 2017-09-08 | 2022-09-12 | Nok株式会社 | dust cover |
| FR3075103B1 (en) * | 2017-12-20 | 2019-11-22 | Aktiebolaget Skf | SUSPENSION STOP DEVICE AND FORCE LEG EQUIPPED WITH SUCH A DEVICE |
| JP7051443B2 (en) * | 2018-01-09 | 2022-04-11 | Nok株式会社 | Sealing device |
| US20200340588A1 (en) * | 2018-08-23 | 2020-10-29 | Nok Corporation | Sealing device and method for making slinger |
| DE102018126181A1 (en) * | 2018-10-22 | 2020-04-23 | Schaeffler Technologies AG & Co. KG | Process for machining a bearing ring and for producing a rolling bearing |
| DE102019112061A1 (en) * | 2019-05-09 | 2020-11-12 | Schaeffler Technologies AG & Co. KG | Method for machining a bearing ring and for producing a rolling bearing |
| JP7163491B2 (en) * | 2019-05-20 | 2022-10-31 | Nok株式会社 | sealing device |
| JP7493215B2 (en) * | 2019-10-25 | 2024-05-31 | 内山工業株式会社 | Bearing device |
| WO2022077412A1 (en) * | 2020-10-16 | 2022-04-21 | 舍弗勒技术股份两合公司 | Sealing device of bearing and bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527440B2 (en) * | 2004-05-13 | 2010-08-18 | Ｎｔｎ株式会社 | Wheel bearing device and manufacturing method thereof |
| JP2007187217A (en) * | 2006-01-12 | 2007-07-26 | Ntn Corp | Bearing device for wheel |
| JP2010261598A (en) | 2010-08-24 | 2010-11-18 | Nsk Ltd | Sealing device and rolling bearing unit with sealing device |
| JP6293444B2 (en) * | 2013-09-20 | 2018-03-14 | Ntn株式会社 | Rolling bearing sealing device |
-
2016
- 2016-03-29 JP JP2016066222A patent/JP6583093B2/en active Active
-
2017
- 2017-03-28 CN CN201720308578.2U patent/CN206754176U/en active Active
- 2017-03-29 DE DE202017101822.9U patent/DE202017101822U1/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630286A (en) * | 2018-02-22 | 2020-09-04 | Nok株式会社 | Sealing device |
| CN113994113A (en) * | 2019-06-26 | 2022-01-28 | Nok株式会社 | Sealing device |
| CN114412926A (en) * | 2022-01-26 | 2022-04-29 | 山东朝阳轴承有限公司 | Bearing sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017180599A (en) | 2017-10-05 |
| DE202017101822U1 (en) | 2017-05-10 |
| JP6583093B2 (en) | 2019-10-02 |
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