CN108518410A - A kind of high rotating speed dust catcher bearing - Google Patents
A kind of high rotating speed dust catcher bearing Download PDFInfo
- Publication number
- CN108518410A CN108518410A CN201810727155.3A CN201810727155A CN108518410A CN 108518410 A CN108518410 A CN 108518410A CN 201810727155 A CN201810727155 A CN 201810727155A CN 108518410 A CN108518410 A CN 108518410A
- Authority
- CN
- China
- Prior art keywords
- bearing
- groove
- retainer
- rotating speed
- dust catcher
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/08—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
-
- 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
- F16C33/583—Details of specific parts of races
-
- 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
-
- 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
- F16C33/82—Arrangements for electrostatic or magnetic action against dust or other particles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of high rotating speed dust catcher bearings, including bearing outer ring, the bearing outer ring both ends symmetrically offer mounting groove, the mounting groove periphery is fixedly connected with dustproof cover, described dustproof cover one end is provided with mounting head, the mounting head side is equipped with the first threaded portion, the mounting groove inside bottom surface is equipped with the second threaded portion corresponding with the first threaded portion, the bearing outer ring center is embedded with bearing inner race, the bearing inner race periphery offers the first annular groove, the second annular groove is offered inside the bearing outer ring, it is evenly distributed with rolling element between second annular groove and the first annular groove, it is connected with retainer on the outside of the rolling element, it is fixedly connected between the retainer and bearing inner race.The high rotating speed dust catcher bearing dissipates oil groove by being equipped with oil-through hole and arc, and lubricating oil is dissipated the retainer that oil groove flow direction offers oilhole by arc, reduces the frictional resistance between the first annular groove and the second annular groove and rolling element, it is ensured that axis body can be rotate at high speed.
Description
Technical field
The present invention relates to bearing apparatus technical field, specially a kind of high rotating speed dust catcher bearing.
Background technology
The deep groove ball bearing on standard vacuum motor is presently used for mainly by outer ring, inner ring, retainer, rolling element, gold
Belong to the compositions such as dustproof cover, lubricating grease.Using rolling element is installed between outer ring and inner ring, positioned with retainer, retainer is uniform
The gap of separation roller and holding rolling element proper exercise, retainer and Internal and external cycle uses steel ball guidance mode, two panels gold
Belong to dustproof cover to be put in the dustproof groove of outer ring respectively, play dust-proof and prevent grease from leaking outside, lubricating grease plays lubricating action, it is therefore an objective to
Make to form a thin layer of oil film between bearing element face and sliding surface, to prevent metal to be in direct contact with metal, to reduce axis
Internal friction and abrasion are held, prevents from burning viscous.But in high speed motor of dust collector, it is desirable that the rotating speed per minute of bearing in the running compared with
It is high.
Existing dust catcher bearing cage is unable to reach high-revolving requirement, and the retainer of bearing using guidance mode
The strength of materials is low, and when high-speed cruising will result directly in retainer fracture.Therefore we make this improvement, propose a kind of high rotating speed
Dust catcher bearing.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of high rotating speed dust catcher bearing, existing bearing is solved
The problem that rotating speed is not high, structural strength is relatively low.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of high rotating speed dust catcher bearing, packet
Bearing outer ring is included, the bearing outer ring both ends symmetrically offer mounting groove, and the mounting groove periphery is fixedly connected with dustproof cover, institute
It states dustproof cover one end and is provided with mounting head, the mounting head side is equipped with the first threaded portion, and the mounting groove inside bottom surface is equipped with
The second threaded portion corresponding with the first threaded portion, the bearing outer ring center are embedded with bearing inner race, the bearing inner race periphery
The first annular groove is offered, the second annular groove is offered inside the bearing outer ring, between second annular groove and the first annular groove uniformly
Rolling element is distributed with, is connected with retainer on the outside of the rolling element, is fixedly connected between the retainer and bearing inner race, it is described
It is equipped with seal groove at the connectivity port of bearing inner race and bearing outer ring, axis is equipped among the bearing inner race and dustproof cover
Body.
Preferably, the retainer is hollow posts shape corresponding with bearing inner race shape, and retainer same level side
Upward rolling element be equidistantly spaced have it is multiple.
Preferably, rubber sprue corresponding with seal groove, the width of the rubber sprue are fitted on the inside of the dustproof cover
More than sealing well width.
Preferably, it is interference fitted between the axis body and bearing inner race, and bearing inner race inner wall is fixedly connected with and axis body
The corresponding protective pad in outside.
Preferably, it is provided with the first oil filler point on the outside of the bearing outer ring, first oil filler point side is connected with second
The bottom end of oil filler point, second oil filler point and the first oil filler point has been fixedly connected with arc and has dissipated oil groove.
Preferably, it is flat type shape groove body that the arc, which dissipates oil groove, and arc dissipates the notch correspondence of oil groove in retainer side.
Preferably, the retainer is stainless steel metal material, and retainer inner homogeneous is provided with oil-through hole.
Preferably, first oil filler point and the second oil filler point top are connected with rubber plug.
The present invention provides a kind of high rotating speed dust catcher bearings.Has following advantageous effect：
(1), the high rotating speed dust catcher bearing, by being equipped with retainer and rolling element, bearing outer ring in bearing inner race
The retainer of clamping hollow cylindrical shape among first annular groove and the second annular groove, it is equidistant on the same level direction inside retainer
Multiple rolling elements are arranged at intervals with, increase the contact area between rolling element and bearing outer ring and bearing inner race so that bearing
Operation is more steady, not will produce shaking, and the retainer of stainless steel is fixedly connected with bearing inner race, and structural strength is high, no
The extrusion fracture of retainer can occur, using effect is good.
(2), high rotating speed dust catcher bearing, by being equipped with mounting groove and dustproof cover, the mounting head and peace of dustproof cover one end
It is fixed using the cooperation of the first threaded portion and the second threaded portion between tankage, when dustproof cover rotates clockwise, rubber sprue corresponds to
Card is to seal groove, and when dustproof cover rotates counterclockwise, rubber sprue isolates seal groove, is convenient for the dismounting of dustproof cover, effectively avoids
Dust enters Bearing inner.
(3), the high rotating speed dust catcher bearing dissipates oil groove, in the first oil filler point and second by being equipped with oil-through hole and arc
Lubricating oil is injected to Bearing inner at oil filler point, lubricating oil dissipates the retainer that oil groove flow direction offers oilhole by arc so that
Rolling element inside retainer comes into full contact with lubricating oil, to reduce rubbing between the first annular groove and the second annular groove and rolling element
Wipe resistance, it is ensured that axis body can be rotate at high speed in Bearing inner.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is the side structure schematic diagram of bearing inner race of the present invention；
Fig. 3 is dustproof cover of the present invention and mounting groove attachment structure schematic diagram；
Fig. 4 is that arc of the present invention dissipates tank structure schematic diagram；
In figure, 1 bearing outer ring, 2 bearing inner races, 3 rolling elements, 4 first annular grooves, 5 second annular grooves, 6 retainers, 7 axis bodies, 8
Dustproof cover, 9 mounting grooves, 10 first oil filler points, 11 oil-through holes, 12 second oil filler points, 13 rubber plugs, 14 first threaded portions, 15 second
Threaded portion, 16 mounting heads, 17 rubber sprues, 18 seal grooves, 19 protective pads, 20 arcs dissipate oil groove.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the embodiment of the present invention provides a kind of technical solution：A kind of high rotating speed dust catcher bearing, including axis
Bearing outer-ring 1,1 both ends of the bearing outer ring symmetrically offer mounting groove 9, and 9 periphery of the mounting groove is fixedly connected with dustproof cover 8,
8 one end of the dustproof cover is provided with mounting head 16, and 16 side of the mounting head is equipped with the first threaded portion 14, in the mounting groove 9
Side bottom surface is equipped with second threaded portion 15 corresponding with the first threaded portion 14, and 1 center of the bearing outer ring is embedded with bearing inner race 2,
2 periphery of the bearing inner race offers the first annular groove 4, and the second annular groove 5, second ring are offered inside the bearing outer ring 1
Rolling element 3 is evenly distributed between slot 5 and the first annular groove 4,3 outside of the rolling element is connected with retainer 6, the retainer 6
It is fixedly connected between bearing inner race 2, seal groove 18, institute is equipped at the bearing inner race 2 and the connectivity port of bearing outer ring 1
It states and is equipped with axis body 7 among bearing inner race 2 and dustproof cover 8.
The retainer 6 is hollow posts shape corresponding with 2 shape of bearing inner race, and on 6 same level direction of retainer
Rolling element 3 be equidistantly spaced and have multiple, increase the area of retainer 6, and multiple rolling elements 3 are so that bearing inner race 2
More flexible, bearing entirety uniform force is rotated, retainer 6 is avoided to be broken, 8 inside of the dustproof cover is fitted with and seal groove 18
Corresponding rubber sprue 17, rubber sprue 17 is stuck in 18 port of seal groove when dustproof cover 17 screws, both effective dust, while
So that reciprocation cycle uses the lubricating oil of Bearing inner inside it, does not overflow and, the width of the rubber sprue 17 is more than
18 width of seal groove, sealing effect is good, not will produce connection gap, is interference fitted between the axis body 7 and bearing inner race 2, and
2 inner wall of bearing inner race is fixedly connected with protective pad 19 corresponding with the outside of axis body 7, prevents between 2 inner wall of axis body 7 and bearing inner race
Friction it is impaired, improve the service life of axis body 7,1 outside of the bearing outer ring is provided with the first oil filler point 10, first note
10 side of oilhole is connected with the second oil filler point 12, and second oil filler point 12 and the bottom end of the first oil filler point 10 have been fixedly connected with
Arc dissipates oil groove 20, and it is flat type shape groove body that the arc, which dissipates oil groove 20, and arc dissipates the notch correspondence of oil groove 20 in retainer 6 one
Side so that lubricating oil can uniformly flow to the oil-through hole 11 of retainer 6, reduce rolling element 3 and the first annular groove 4 and the second annular groove 5
Between frictional resistance, the rotating speed between improving axis body 7 within the bearing, the retainer 6 is stainless steel metal material, and retainer
6 inner homogeneous are provided with oil-through hole 11, and structural strength is high, and load bearing effect is good, not easy to break, and service life is long, first note
Oilhole 10 and 12 top of the second oil filler point are connected with rubber plug 13, convenient for addition lubricating oil, and prevent lubricating oil from overflowing.
In use, by injecting lubricating oil to Bearing inner at the first oil filler point 10 and the second oil filler point 12, outside bearing
The retainer 6 of circle 1 and the first annular groove 4 in bearing inner race 2 and clamping hollow cylindrical shape among the second annular groove 5, inside retainer 6
Same level direction on equidistant intervals be provided with multiple rolling elements 3, increase in rolling element 3 and bearing outer ring 1 and bearing
Contact area between circle 2 so that bearing operation is more steady, not will produce shaking, and lubricating oil dissipates oil groove 20 by arc and flows
To the retainer 6 for offering oilhole 11 so that the rolling element 3 inside retainer 6 comes into full contact with lubricating oil, to reduce first
Frictional resistance between annular groove 4 and the second annular groove 5 and rolling element 3, it is ensured that axis body 7 can be stainless rotate at high speed in Bearing inner
The retainer 6 of steel material is fixedly connected with bearing inner race 2, and structural strength is high, and the extrusion fracture of retainer 6 will not occur, and is used
Effect is good, and the cooperation of the first threaded portion 14 and the second threaded portion 15 is utilized between the mounting head 16 and mounting groove 9 of 8 one end of dustproof cover
Fixed, when dustproof cover 8 rotates clockwise, rubber sprue 17 corresponds to card to seal groove 18, when dustproof cover 8 rotates counterclockwise, rubber
Sprue 17 isolates seal groove 18, is convenient for the dismounting of dustproof cover 8, effectively dust is avoided to enter Bearing inner, is worth carrying out extensive
It promotes.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of high rotating speed dust catcher bearing, including bearing outer ring (1), it is characterised in that：Bearing outer ring (1) both ends are symmetrical
Mounting groove (9) is offered, mounting groove (9) periphery is fixedly connected with dustproof cover (8), and described dustproof cover (8) one end is provided with
Mounting head (16)；
Mounting head (16) side is equipped with the first threaded portion (14), and mounting groove (9) inside bottom surface is equipped with and the first screw thread
Corresponding second threaded portion (15) in portion (14), bearing outer ring (1) center are embedded with bearing inner race (2), the bearing inner race
(2) periphery offers the first annular groove (4), and the second annular groove (5), second annular groove (5) are offered inside the bearing outer ring (1)
Rolling element (3) is evenly distributed between the first annular groove (4)；
It is connected with retainer (6) on the outside of the rolling element (3), is fixedly connected between the retainer (6) and bearing inner race (2),
Be equipped with seal groove (18) at the connectivity port of the bearing inner race (2) and bearing outer ring (1), the bearing inner race (2) with it is anti-
It is equipped with axis body (7) among dirt lid (8).
2. a kind of high rotating speed dust catcher bearing according to claim 1, it is characterised in that：The retainer (6) is and axis
Hold the corresponding hollow posts shape of inner ring (2) shape, and rolling element (3) equidistant intervals on retainer (6) same level direction
It is provided with multiple.
3. a kind of high rotating speed dust catcher bearing according to claim 1, it is characterised in that：Patch on the inside of the dustproof cover (8)
Conjunction has rubber sprue (17) corresponding with seal groove (18), the width of the rubber sprue (17) to be more than seal groove (18) width.
4. a kind of high rotating speed dust catcher bearing according to claim 1, it is characterised in that：In the axis body (7) and bearing
It is interference fitted between circle (2), and bearing inner race (2) inner wall is fixedly connected with protective pad (19) corresponding on the outside of axis body (7).
5. a kind of high rotating speed dust catcher bearing according to claim 1, it is characterised in that：On the outside of the bearing outer ring (1)
It is provided with the first oil filler point (10), the first oil filler point (10) side is connected with the second oil filler point (12), second oiling
Hole (12) and the bottom end of the first oil filler point (10) have been fixedly connected with arc and have dissipated oil groove (20).
6. a kind of high rotating speed dust catcher bearing according to claim 5, it is characterised in that：The arc dissipates oil groove (20)
Flat type shape groove body, and arc dissipates the notch correspondence of oil groove (20) in retainer (6) side.
7. a kind of high rotating speed dust catcher bearing according to claim 1, it is characterised in that：The retainer (6) is stainless
Steel metal material, and retainer (6) inner homogeneous is provided with oil-through hole (11).
8. a kind of high rotating speed dust catcher bearing according to claim 5, it is characterised in that：First oil filler point (10) and
Second oil filler point (12) top is connected with rubber plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727155.3A CN108518410A (en) | 2018-07-05 | 2018-07-05 | A kind of high rotating speed dust catcher bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810727155.3A CN108518410A (en) | 2018-07-05 | 2018-07-05 | A kind of high rotating speed dust catcher bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518410A true CN108518410A (en) | 2018-09-11 |
Family
ID=63428645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810727155.3A Pending CN108518410A (en) | 2018-07-05 | 2018-07-05 | A kind of high rotating speed dust catcher bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518410A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294672A (en) * | 2021-05-14 | 2021-08-24 | 洛阳轴承研究所有限公司 | Bearing rolling element oil homogenizing device and bearing rolling element oil homogenizing method |
| CN115013445A (en) * | 2022-06-20 | 2022-09-06 | 刘美清 | Machine tool main shaft bearing structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010031743A1 (en) * | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Axial balancing function integrated radial supported rotation bearing e.g. cylindrical roller bearing for transport equipment, has balls freely movable around track that is larger than axial movement play of cage relative to axial supports |
| CN204025324U (en) * | 2014-08-05 | 2014-12-17 | 宁波市镇海华磊轴承有限公司 | A kind of bearing with dust cover |
| US20160123394A1 (en) * | 2014-10-29 | 2016-05-05 | Schaeffler Technologies AG & Co. KG | Ball bearing with integrated bushing |
| CN105952777A (en) * | 2016-07-12 | 2016-09-21 | 沈超 | Drag rolling bearing |
| CN206754172U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | One kind fills out fat easily bearing |
| CN206754179U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | Deep groove ball bearing |
| CN108150529A (en) * | 2017-12-26 | 2018-06-12 | 新昌县江北轴承有限公司 | A kind of high speed height lubricates double-row conical bearing |
-
2018
- 2018-07-05 CN CN201810727155.3A patent/CN108518410A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010031743A1 (en) * | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Axial balancing function integrated radial supported rotation bearing e.g. cylindrical roller bearing for transport equipment, has balls freely movable around track that is larger than axial movement play of cage relative to axial supports |
| CN204025324U (en) * | 2014-08-05 | 2014-12-17 | 宁波市镇海华磊轴承有限公司 | A kind of bearing with dust cover |
| US20160123394A1 (en) * | 2014-10-29 | 2016-05-05 | Schaeffler Technologies AG & Co. KG | Ball bearing with integrated bushing |
| CN105952777A (en) * | 2016-07-12 | 2016-09-21 | 沈超 | Drag rolling bearing |
| CN206754172U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | One kind fills out fat easily bearing |
| CN206754179U (en) * | 2017-04-01 | 2017-12-15 | 慈溪超凡轴承科技有限公司 | Deep groove ball bearing |
| CN108150529A (en) * | 2017-12-26 | 2018-06-12 | 新昌县江北轴承有限公司 | A kind of high speed height lubricates double-row conical bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294672A (en) * | 2021-05-14 | 2021-08-24 | 洛阳轴承研究所有限公司 | Bearing rolling element oil homogenizing device and bearing rolling element oil homogenizing method |
| CN115013445A (en) * | 2022-06-20 | 2022-09-06 | 刘美清 | Machine tool main shaft bearing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7591593B2 (en) | Sealed rolling bearing | |
| CA1127218A (en) | Bearing for high rotational speeds | |
| CN108518410A (en) | A kind of high rotating speed dust catcher bearing | |
| CN214742794U (en) | Maintenance-free trailer wheel end bearing | |
| CN210565738U (en) | One-way plane thrust ball bearing | |
| CN214534085U (en) | Conical bearing unit retainer structure | |
| CN209743398U (en) | High-precision self-lubricating bearing assembly | |
| SU1458622A1 (en) | Bearing unit | |
| CN214534074U (en) | High-strength angular contact ball bearing retainer | |
| JPH11257363A (en) | Rolling bearing | |
| CN211423195U (en) | High leakproofness mechanical drive bearing | |
| CN219570635U (en) | Improved generation ectosphere gyro wheel bearing | |
| CN213628496U (en) | Low-abrasion bearing | |
| CN220118504U (en) | Wear-resistant bearing | |
| CN219888524U (en) | Non-contact bearing sealing structure | |
| CN219472565U (en) | Dustproof high reliability positioning bearing | |
| CN213929149U (en) | Novel thrust bearing of turbocharger | |
| CN217873774U (en) | Contact angle rolling bearing for bicycle | |
| CN210397459U (en) | Bearing seal cover | |
| CN216642791U (en) | Spherical outside surface bearing for textile machinery | |
| CN214465570U (en) | Double-row roller bearing | |
| CN217558775U (en) | Be suitable for high-speed crossed cylindrical roller bearing | |
| CN220396297U (en) | Deep groove ball bearing with sealing ring convenient to replace | |
| CN220470488U (en) | Four-row cylindrical roller bearing for rolling mill working roller | |
| CN214164640U (en) | Internal and external retainer mechanism for automobile hub unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180911 |
|
| RJ01 | Rejection of invention patent application after publication |