CN108561431A - A kind of elastic composite cylinder roller bearing - Google Patents
A kind of elastic composite cylinder roller bearing Download PDFInfo
- Publication number
- CN108561431A CN108561431A CN201810489432.1A CN201810489432A CN108561431A CN 108561431 A CN108561431 A CN 108561431A CN 201810489432 A CN201810489432 A CN 201810489432A CN 108561431 A CN108561431 A CN 108561431A
- Authority
- CN
- China
- Prior art keywords
- side wall
- fixedly connected
- outer ring
- opposite
- cylinder roller
- 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.)
- Granted
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
-
- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/525—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
-
- 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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
Abstract
The invention discloses a kind of elastic composite cylinder roller bearings, including outer ring, inner ring, multiple cylindrical rollers and two circular connectors, the both ends side wall of multiple cylindrical rollers is fixedly connected with two circular connectors respectively, the outer ring and the opposite madial wall of inner ring are arranged with two annular draw runners, the side wall of the annular draw runner is equipped with annular groove, multiple balls are slidably connected in four annular grooves, the both ends side wall of two circular connectors has been fixedly connected with multiple connecting rods, the multiple one end of the connecting rod far from circular connector are fixedly connected with opposite ball, the internal symmetry of the outer ring is set there are two radiator.Structure of the invention reasonable design can make the bearing in operating have certain heat dissipation effect, ensure that bearing is preferably operated, and can preferably input lubricating oil to bearing, the effect of maintenance can be played to bearing.
Description
Technical field
The present invention relates to a kind of elastic composite cylinder roller bearings.
Background technology
Bearing is the important component in mechanical equipment, and cylinder roller bearing is extensive in application in machine equipments, with to axis
The continuous improvement of requirement is held, bearing is also upgraded constantly, for example it is hollow cylindrical roller, such circle to have at present internal
Column roller can reduce contact stress so that cylindrical roller has certain elasticity, to extend the service life of bearing, still
How to realize and radiate to the bearing in operating, and how lubricating oil is inputted to bearing, is a urgent problem needed to be solved.
Invention content
The purpose of the present invention is to solve existing bearing, heat dissipation effect is insufficient in the running, existing bearing inconvenience is defeated
A kind of elastic composite cylinder roller bearing for entering lubricating oil, and proposing, can make the bearing in operating have certain heat dissipation
Effect ensures that bearing is preferably operated, and can preferably input lubricating oil to bearing, and maintenance can be played to bearing
Effect.
To achieve the goals above, present invention employs following technical solutions：A kind of elastic composite cylinder roller bearing, packet
Include outer ring, inner ring, multiple cylindrical rollers and two circular connectors, the both ends side walls of multiple cylindrical rollers respectively with two
Circular connector is fixedly connected, and the outer ring and the opposite madial wall of inner ring are arranged with two annular draw runners, the annular
The side wall of draw runner is equipped with annular groove, multiple balls is slidably connected in four annular grooves, two annulars are even
The both ends side wall of fitting has been fixedly connected with multiple connecting rods, the multiple one end of the connecting rod far from circular connector with phase
To ball be fixedly connected, the internal symmetry of the outer ring is set there are two radiator, the radiator include setting outside
Heat dissipation cavity inside circle, the both ends side wall of the outer ring runs through the multiple heat emission holes for being equipped with and being interconnected with heat dissipation cavity, described
The opposite madial wall of heat dissipation cavity is equipped with the first fixed link, and the side wall of two first fixed links, which runs through, is equipped with multiple ventilations
Pipe, multiple ventilation ducts run through the side wall of the first fixed link and are fixedly connected with its side wall, the two of multiple ventilation ducts
End all extends in opposite heat emission hole and offsets with its madial wall, and the internal symmetry of the outer ring sets that there are two oil feeding devices.
Preferably, the oil feeding device includes two oil inlets, and two oil inlets extend through the both ends of outer ring
Side wall is simultaneously interconnected with heat dissipation cavity, and oil inlet pipe, and the two of the oil inlet pipe are fixedly connected between two oil inlets
End side wall is fixedly connected with opposite oil inlet madial wall respectively, and the oil inlet pipe is internally provided with check valve.
Preferably, the madial wall of the heat dissipation cavity is arranged with two locating rods, the opposite side wall of two locating rods
It is fixedly connected with locating ring, the madial wall of the locating ring is fixedly connected with fixing sleeve, the madial wall of the fixing sleeve and oil inlet
The lateral wall of pipe is fixedly connected.
Preferably, the opposite one end side wall of two locating rods has been fixedly connected with the second fixed link, multiple described logical
Air hose runs through the side wall for the bar that is relatively fixed and is fixedly connected with its side wall.
Preferably, the side wall of multiple ventilation ducts is equipped with Air Filter.
Preferably, the ball is integrally formed with connecting rod.
In the present invention, the both ends side wall of multiple cylindrical rollers is connected by two circular connectors respectively, and two annulars are even
The both ends side wall of fitting has been fixedly connected with multiple connecting rods, and the fixed company in the one end of multiple connecting rods far from circular connector
It is connected to ball, multiple balls are slidably connected with opposite annular groove, to ensure the stability of bearing in the running, work as axis
When acknowledgement of consignment turns, a part of heat of generation can be radiated by multiple heat emission holes and multiple ventilation ducts, setting in ventilation duct
There is Air Filter, can avoid polluting bearing, it, can be from oil inlet when needing input lubricating oil to be nursed to bearing to realize
Mouth is equipped with input lubricating oil, due to being equipped with check valve in oil inlet pipe, outflow of lubrication oil can be avoided, to which realization is to the shield of bearing
Reason.Structure of the invention reasonable design can make the bearing in operating have certain heat dissipation effect, ensure that bearing preferably carries out
Operating, and lubricating oil can be preferably inputted to bearing, the effect of maintenance can be played to bearing.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of elastic composite cylinder roller bearing proposed by the present invention；
Fig. 2 is a kind of circular connector of elastic composite cylinder roller bearing, annular draw runner, connecting rod and circle proposed by the present invention
The connection diagram of pearl；
Fig. 3 is a kind of sectional view of the annular draw runner and annular groove of elastic composite cylinder roller bearing proposed by the present invention；
Fig. 4 is a kind of connection diagram of the outer ring and radiator of elastic composite cylinder roller bearing proposed by the present invention；
Fig. 5 is schematic enlarged-scale view at a kind of A of elastic composite cylinder roller bearing proposed by the present invention.
In figure：1 outer ring, 2 inner rings, 3 annular draw runners, 4 circular connectors, 5 connecting rods, 6 cylindrical rollers, 7 balls, 8 annulars
Sliding slot, 9 heat dissipation cavities, 10 locating rings, 11 first fixed links, 12 heat emission holes, 13 oil inlet pipes, 14 locating rods, 15 ventilation ducts, 16 second
Fixed link, 17 fixing sleeves.
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.
Referring to Fig.1-5, a kind of elastic composite cylinder roller bearing, including outer ring 1, inner ring 2, multiple cylindrical rollers 6 and two
The both ends side wall of a circular connector 4, multiple cylindrical rollers 6 is fixedly connected with two circular connectors 4 respectively, outer ring 1 and interior
It encloses 2 opposite madial walls and is arranged with two annular draw runners 3, the side wall of annular draw runner 3 is equipped with annular groove 8, four annulars
Multiple balls 7 are slidably connected in sliding slot 8, the both ends side wall of two circular connectors 4 has been fixedly connected with multiple connecting rods
5, the one end of multiple connecting rods 5 far from circular connector 4 is fixedly connected with opposite ball 7, and the internal symmetry of outer ring 1 is equipped with
Two radiators, radiator include the heat dissipation cavity 9 being arranged inside outer ring 1, the both ends side wall of outer ring 1 run through be equipped with
The interconnected multiple heat emission holes 12 of heat dissipation cavity 9, the opposite madial wall of heat dissipation cavity 9 are equipped with the first fixed link 11, two first
The side wall of fixed link 11 run through be equipped with multiple ventilation ducts 15, multiple ventilation ducts 15 run through the first fixed link 11 side wall and with
Its side wall is fixedly connected, and the both ends of multiple ventilation ducts 15 all extend in opposite heat emission hole 12 and offset with its madial wall, outside
The internal symmetry of circle 1 is set there are two oil feeding device, can be from oil inlet when needing input lubricating oil to be nursed to bearing to realize
Outflow of lubrication oil can be avoided, due to being equipped with check valve in oil inlet pipe 13 to realize the shield to bearing equipped with input lubricating oil
Reason.
In the present invention, oil feeding device includes two oil inlets, and two oil inlets extend through the both ends side wall of outer ring 1 simultaneously
It is interconnected with heat dissipation cavity 9, oil inlet pipe 13, and the both ends side wall difference of oil inlet pipe 13 is fixedly connected between two oil inlets
It is fixedly connected with opposite oil inlet madial wall, oil inlet pipe 13 is internally provided with check valve, and the setting of check valve can avoid moistening
The madial wall of the reflux of lubricating oil, heat dissipation cavity 9 is arranged with two locating rods 14, and two opposite side walls of locating rod 14 are fixedly connected
There is a locating ring 10, the madial wall of locating ring 10 is fixedly connected with fixing sleeve 17, and the madial wall of fixing sleeve 17 is outer with oil inlet pipe 13
Side wall is fixedly connected, and can enhance the limit fixed effect to oil inlet pipe 13, and the opposite one end side wall of two locating rods 14 is solid
Surely it is connected with the second fixed link 16, multiple ventilation ducts 15 run through the side wall of the second opposite fixed link 16 and fixed with its side wall
Connection, can enhance the stability to ventilation duct 15, and the side wall of multiple ventilation ducts 15 is equipped with Air Filter, ball 7 and connecting rod 5
It is integrally formed.
In the present invention, the both ends side wall of multiple cylindrical rollers 6 is connected by two circular connectors 4 respectively, two annulars
The both ends side wall of connector 4 has been fixedly connected with multiple connecting rods 5, and the one end of multiple connecting rods 5 far from circular connector 4 is equal
It is fixedly connected with ball 7, multiple balls 7 are slidably connected with opposite annular groove 8, to ensure bearing in the running steady
Qualitative, when bearing operation, a part of heat of generation can be radiated by multiple heat emission holes 12 and multiple ventilation ducts 15,
It is provided with Air Filter in ventilation duct 15, can avoid polluting bearing, bearing is protected with realizing when needing input lubricating oil
When reason, input lubricating oil can be equipped with from oil inlet, since in oil inlet pipe 13, equipped with check valve, outflow of lubrication oil can be avoided,
To realize the nursing to bearing.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of elastic composite cylinder roller bearing, including outer ring（1）, inner ring（2）, multiple cylindrical rollers（6）With two annulars
Connector（4）, which is characterized in that multiple cylindrical rollers（6）Both ends side wall respectively with two circular connectors（4）It is fixed
Connection, the outer ring（1）And inner ring（2）Opposite madial wall is arranged with two annular draw runners（3）, the annular draw runner
（3）Side wall be equipped with annular groove（8）, four annular grooves（8）Inside slidably connect multiple balls（7）, two institutes
State circular connector（4）Both ends side wall be fixedly connected with multiple connecting rods（5）, multiple connecting rods（5）Far from annular
Connector（4）One end with opposite ball（7）It is fixedly connected, the outer ring（1）Internal symmetry set there are two heat dissipation dress
It sets, the radiator includes being arranged in outer ring（1）Internal heat dissipation cavity（9）, the outer ring（1）Both ends side wall run through set
Have and heat dissipation cavity（9）Interconnected multiple heat emission holes（12）, the heat dissipation cavity（9）Opposite madial wall is equipped with the first fixation
Bar（11）, two first fixed links（11）Side wall run through be equipped with multiple ventilation ducts（15）, multiple ventilation ducts
（15）Run through the first fixed link（11）Side wall and be fixedly connected with its side wall, multiple ventilation ducts（15）Both ends prolong
Extend to opposite heat emission hole（12）It is interior and offset with its madial wall, the outer ring（1）Internal symmetry set there are two oil feeding device.
2. a kind of elastic composite cylinder roller bearing according to claim 1, which is characterized in that the oil feeding device includes
Two oil inlets, and two oil inlets extend through outer ring（1）Both ends side wall and and heat dissipation cavity（9）It is interconnected,
It is fixedly connected with oil inlet pipe between two oil inlets（13）, and the oil inlet pipe（13）Both ends side wall respectively with it is opposite
Oil inlet madial wall is fixedly connected, the oil inlet pipe（13）Be internally provided with check valve.
3. a kind of elastic composite cylinder roller bearing according to claim 2, which is characterized in that the heat dissipation cavity（9）'s
Madial wall is arranged with two locating rods（14）, two locating rods（14）Opposite side wall is fixedly connected with locating ring
（10）, the locating ring（10）Madial wall be fixedly connected with fixing sleeve（17）, the fixing sleeve（17）Madial wall and oil inlet
Pipe（13）Lateral wall be fixedly connected.
4. a kind of elastic composite cylinder roller bearing according to claim 3, which is characterized in that two locating rods
（4）Opposite one end side wall has been fixedly connected with the second fixed link（16）, multiple ventilation ducts（15）Run through opposite to consolidate
Fixed pole（16）Side wall and be fixedly connected with its side wall.
5. a kind of elastic composite cylinder roller bearing according to claim 1, which is characterized in that multiple ventilation ducts
（15）Side wall be equipped with Air Filter.
6. a kind of elastic composite cylinder roller bearing according to claim 1, which is characterized in that the ball（7）With company
Extension bar（5）It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489432.1A CN108561431B (en) | 2018-05-21 | 2018-05-21 | Elastic composite cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489432.1A CN108561431B (en) | 2018-05-21 | 2018-05-21 | Elastic composite cylindrical roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108561431A true CN108561431A (en) | 2018-09-21 |
| CN108561431B CN108561431B (en) | 2023-09-22 |
Family
ID=63539331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489432.1A Active CN108561431B (en) | 2018-05-21 | 2018-05-21 | Elastic composite cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561431B (en) |
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| JPH11132244A (en) * | 1997-10-31 | 1999-05-18 | Nippon Seiko Kk | Cylindrical roller bearing device provided with lubricating device |
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| CN205639293U (en) * | 2016-05-27 | 2016-10-12 | 瑞凡科技有限公司 | Spherical -roller bearing |
| CN106594087A (en) * | 2017-03-01 | 2017-04-26 | 肖叶 | Mechanical intermittent lubrication device for bearing |
| CN206377160U (en) * | 2017-01-03 | 2017-08-04 | 河北亿泰克轴承有限公司 | A kind of efficient rolling bearing heat abstractor |
| CN206608469U (en) * | 2017-01-22 | 2017-11-03 | 中山市睿佳五金制品有限公司 | A kind of powder metallurgy high-hardness wear-resistant bearing |
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| CN107448484A (en) * | 2017-09-01 | 2017-12-08 | 宁波锴立精密轴承有限公司 | A kind of Optimization-type zanjon ball bearing |
| CN207005092U (en) * | 2017-07-13 | 2018-02-13 | 洛阳亿繁轴承科技有限公司 | Bearing seal structure with vacuum-sealed cavity |
| CN107701584A (en) * | 2017-10-24 | 2018-02-16 | 无锡民联汽车零部件有限公司 | Jing Yin noise reducing type bearing |
| CN107842556A (en) * | 2017-09-20 | 2018-03-27 | 宁波华驰轴承有限公司 | A kind of automobile bearing for being easy to add lubricant |
| CN207315861U (en) * | 2017-09-07 | 2018-05-04 | 苏州宇威尚机电科技有限公司 | A kind of motor bearings structure |
| CN107989913A (en) * | 2017-12-13 | 2018-05-04 | 马鞍山市荣亿密封材料有限责任公司 | A kind of Easy opened sealed-bearing structure |
| CN207333459U (en) * | 2017-09-27 | 2018-05-08 | 常山丰泰轴承有限公司 | A kind of deep groove ball bearing with dust-proof effect |
| CN208348293U (en) * | 2018-05-21 | 2019-01-08 | 盐城市三川轴承制造有限公司 | A kind of elastic composite cylinder roller bearing |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144323A (en) * | 1997-07-25 | 1999-02-16 | Ntn Corp | Cylindrical roller bearing |
| JPH11132244A (en) * | 1997-10-31 | 1999-05-18 | Nippon Seiko Kk | Cylindrical roller bearing device provided with lubricating device |
| JP2004278660A (en) * | 2003-03-14 | 2004-10-07 | Nsk Ltd | Outer ring revolving type rolling bearing |
| JP2009287678A (en) * | 2008-05-29 | 2009-12-10 | Ntn Corp | Roller bearing and bearing structure |
| JP2010002027A (en) * | 2008-06-23 | 2010-01-07 | Ntn Corp | Cylindrical roller bearing and cylindrical roller bearing device |
| JP2012017785A (en) * | 2010-07-07 | 2012-01-26 | Jtekt Corp | Lubricating oil supply device of tapered roller bearing |
| CN102678767A (en) * | 2011-12-24 | 2012-09-19 | 河南科技大学 | Radiating method for rolling bearing |
| CN204739085U (en) * | 2015-07-03 | 2015-11-04 | 天津双动力科技有限公司 | Bearing with reinforcing load -carrying ability and stationarity parts |
| CN105020271A (en) * | 2015-07-24 | 2015-11-04 | 重庆诚硕科技有限公司 | Cylindrical bearing used on rotary cultivator drive shaft |
| CN105422634A (en) * | 2015-12-28 | 2016-03-23 | 宁波达奋精工轴承有限公司 | Bearing convenient to use |
| CN105526268A (en) * | 2015-12-28 | 2016-04-27 | 宁波达奋精工轴承有限公司 | Bearing convenient to dismount |
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| CN205639293U (en) * | 2016-05-27 | 2016-10-12 | 瑞凡科技有限公司 | Spherical -roller bearing |
| CN206668747U (en) * | 2016-10-17 | 2017-11-24 | 新昌县镜岭镇胜泰轴承配件厂 | A kind of bearing for being capable of damping |
| CN206377160U (en) * | 2017-01-03 | 2017-08-04 | 河北亿泰克轴承有限公司 | A kind of efficient rolling bearing heat abstractor |
| CN206608469U (en) * | 2017-01-22 | 2017-11-03 | 中山市睿佳五金制品有限公司 | A kind of powder metallurgy high-hardness wear-resistant bearing |
| CN106594087A (en) * | 2017-03-01 | 2017-04-26 | 肖叶 | Mechanical intermittent lubrication device for bearing |
| CN207005092U (en) * | 2017-07-13 | 2018-02-13 | 洛阳亿繁轴承科技有限公司 | Bearing seal structure with vacuum-sealed cavity |
| CN107448484A (en) * | 2017-09-01 | 2017-12-08 | 宁波锴立精密轴承有限公司 | A kind of Optimization-type zanjon ball bearing |
| CN207315861U (en) * | 2017-09-07 | 2018-05-04 | 苏州宇威尚机电科技有限公司 | A kind of motor bearings structure |
| CN107842556A (en) * | 2017-09-20 | 2018-03-27 | 宁波华驰轴承有限公司 | A kind of automobile bearing for being easy to add lubricant |
| CN207333459U (en) * | 2017-09-27 | 2018-05-08 | 常山丰泰轴承有限公司 | A kind of deep groove ball bearing with dust-proof effect |
| CN107701584A (en) * | 2017-10-24 | 2018-02-16 | 无锡民联汽车零部件有限公司 | Jing Yin noise reducing type bearing |
| CN107989913A (en) * | 2017-12-13 | 2018-05-04 | 马鞍山市荣亿密封材料有限责任公司 | A kind of Easy opened sealed-bearing structure |
| CN208348293U (en) * | 2018-05-21 | 2019-01-08 | 盐城市三川轴承制造有限公司 | A kind of elastic composite cylinder roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108561431B (en) | 2023-09-22 |
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