CN110792693A - Motor rolling bearing - Google Patents

Motor rolling bearing Download PDF

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Publication number
CN110792693A
CN110792693A CN201911121945.8A CN201911121945A CN110792693A CN 110792693 A CN110792693 A CN 110792693A CN 201911121945 A CN201911121945 A CN 201911121945A CN 110792693 A CN110792693 A CN 110792693A
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CN
China
Prior art keywords
ring
outer ring
groove
dustproof strip
fixing
Prior art date
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Granted
Application number
CN201911121945.8A
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Chinese (zh)
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CN110792693B (en
Inventor
罗青华
朱立生
刘洪军
王淑军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xinda Micro Bearing Co Ltd
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Hunan Xinda Micro Bearing Co Ltd
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Priority to CN201911121945.8A priority Critical patent/CN110792693B/en
Publication of CN110792693A publication Critical patent/CN110792693A/en
Application granted granted Critical
Publication of CN110792693B publication Critical patent/CN110792693B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72Sealings
    • F16C33/76Sealings of ball or roller bearings
    • F16C33/78Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/583Details of specific parts of races
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/66Special parts or details in view of lubrication
    • F16C33/6603Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607Retaining the grease in or near the bearing

Abstract

The invention discloses a motor rolling bearing, which relates to the technical field of rolling bearings and comprises an outer ring, wherein steel balls are arranged on the inner side of the outer ring, an oil outlet hole is formed in the inner wall of the outer ring, an oil storage tank is arranged in the outer ring, third grooves are formed in the inner wall of the outer ring, which is positioned on two sides of the oil outlet hole, and a retainer is arranged on the outer wall of each steel ball. According to the invention, through the arrangement of the outer ring dustproof strip, the inner ring dustproof strip and the protective net, the outer ring dustproof strip on the outer ring is clamped through the first fixing ring, the inner ring dustproof strip on the inner ring is clamped through the second fixing ring, the outer ring dustproof strip is overlapped with the inner ring dustproof strip, and the dust is adhered by grease coated on the outer ring dustproof strip, so that the purpose of blocking the dust is achieved, the protective net on the inner side of the inner ring dustproof strip is clamped on the outer ring and the inner ring through the outer fixing ring and the inner fixing ring, so that foreign matters with larger particles are blocked, the particles are prevented from entering the inside of the bearing, and the problem of reduction of the operation precision of the.

Description

Motor rolling bearing
Technical Field
The invention relates to the technical field of rolling bearings, in particular to a rolling bearing of a motor.
Background
The rolling bearing is a precise mechanical element for reducing friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction, and generally comprises an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with the shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a lubricating role.
In the antifriction bearing-201821627600.0 document with wear resistance and rust resistance of the comparison document, a wear-resistant antifriction bearing with a brand-new structure is provided, an oil storage cavity is arranged, when a bearing inner ring rotates, lubricating oil in the oil storage cavity is acted by centrifugal force, flows to an oil discharge through hole along the inclined plane of the oil storage cavity, and finally flows to the surface of a ball through the oil discharge through hole to lubricate the ball, so that the wear-resistant effect of the bearing is achieved, but the design of the structure can not meet the invasion of foreign matters such as external dust particles and the like, the abrasion between the surfaces of the antifriction bearing can be aggravated, when the abrasion degree is serious, the running precision of the bearing is reduced, when the bearing rotates, the steel balls are in contact with the inner wall of an outer ring and rotate on the inner wall, after the bearing rotates for a period of time, the steel balls lack oil and grease with the inner wall of the outer, under the condition of severe overload, the bearing can crack and break bearing parts, so that the bearing cannot work continuously.
Disclosure of Invention
The invention aims to: the motor rolling bearing aims to solve the problems that the running precision of a bearing is reduced due to the invasion of external dust particles, the vibration and noise of the bearing are increased rapidly due to the lack of grease during the operation of the bearing, and the crack and the fracture of bearing parts are caused by the serious overload operation.
In order to achieve the purpose, the invention provides the following technical scheme: a motor rolling bearing comprises an outer ring, wherein steel balls are arranged on the inner side of the outer ring, an oil outlet is formed in the inner wall of the outer ring, an oil storage tank is arranged in the outer ring, third grooves are formed in the two sides, located on the oil outlet, of the inner wall of the outer ring, third grooves are formed in the two sides, located on the two sides, of the oil outlet, of the inner wall of the outer ring, a retainer is arranged on the outer wall of each steel ball, an inner ring is arranged on the inner side of each steel ball, a fixing bolt is arranged on each retainer, an outer fixing ring is arranged in each third groove, a first groove is formed in one side, away from the oil outlet, of each third groove, a protective net is connected to the inner side of each outer fixing ring, a first fixing ring is arranged in each first groove, an outer ring dustproof strip is connected to the inner side of each first fixing ring, and the outer wall of inner circle is located the outside of second recess and is provided with the second support column, the inside of second recess is provided with the second retainer plate, and second recess inboard is provided with the second recess, the one end of second retainer plate is connected with the inner circle dust excluder, the one end of second support column is provided with the second slide, and the one side of keeping away from the second recess of second support column is provided with the megaphone, the inboard of protection network is connected with interior retainer plate.
Preferably, the outer ring and the inner ring are movably connected through steel balls, and the outer ring dustproof strip and the inner ring dustproof strip are elastic.
Preferably, the number of the protection network is two, the protection network passes through outer retainer plate, interior retainer plate with outer lane, inner circle and detachably connects, outer retainer plate, interior retainer plate have elasticity.
Preferably, the outer ring dust-proof strip is clamped with the inner ring dust-proof strip, and grease is coated on the outer ring dust-proof strip and the inner ring dust-proof strip.
Preferably, the inboard of oil outlet is provided with the dust screen, and the dust screen passes through glue adhesive connection with the oil outlet, the oil outlet runs through to the inside of oil storage tank, the inside of oil storage tank is provided with solid grease.
Preferably, the number of the fixing bolts is multiple, and the retainer is detachably connected with the fixing bolts.
Preferably, the number of the first support columns and the number of the second support columns are two, and the loudspeaker is connected with the second support columns through glue in an adhesive mode.
Preferably, the first support column is welded on the inner wall of the outer ring, and the first sliding plate is welded at one end of the first support column.
Preferably, the outer fixing ring is clamped with the third groove, the inner fixing ring is clamped with the second groove, and the protective net is connected with the outer fixing ring and the inner fixing ring through glue in a sticky mode.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the outer ring dustproof strip, the inner ring dustproof strip and the protective net, the outer ring dustproof strip on the outer ring is clamped through the first fixing ring, the inner ring dustproof strip on the inner ring is clamped through the second fixing ring, the outer ring dustproof strip is overlapped with the inner ring dustproof strip, and the dust is adhered by grease coated on the outer ring dustproof strip, so that the purpose of blocking the dust is achieved, the protective net on the inner side of the inner ring dustproof strip is clamped on the outer ring and the inner ring through the outer fixing ring and the inner fixing ring, so that foreign matters with larger particles are blocked, the particles are prevented from entering the inside of the bearing, and the problem of reduction of the operation precision of the.
2. According to the invention, through the oil storage groove and the oil outlet hole, solid grease in the oil storage groove in the outer ring is melted at high temperature to be changed into liquid oil, the liquid oil flows out of the oil outlet hole, the flowing oil is contacted with the steel balls and attached to the surfaces of the steel balls, the lubrication of the bearing is increased, the bearing rotates more smoothly, and the problem of bearing vibration caused by grease shortage during the bearing operation is effectively solved.
3. According to the invention, through the arrangement of the first support column, the second support column, the first sliding plate, the second sliding plate and the loudspeaker, the first support column is contacted with the outer wall of the inner ring through the first sliding plate to emit noise, the second support column is contacted with the inner wall of the outer ring through the second sliding plate to emit noise, and the loudspeaker on one side of the second support column increases the noise, so that workers can find the noise conveniently, and the problem that the bearing part is cracked and broken due to the sharp increase of the noise and the severe overload work is effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a third groove of the present invention;
FIG. 3 is a schematic view of an inner ring dust strip of the present invention;
FIG. 4 is a schematic view of the oil outlet of the present invention;
FIG. 5 is a schematic view of the reservoir of the present invention;
FIG. 6 is a schematic view of a dust screen of the present invention;
FIG. 7 is a front view of the present invention;
FIG. 8 is an enlarged schematic view of A of the present invention;
fig. 9 is a schematic view of the protection net of the present invention.
In the figure: 1. an outer ring; 2. an inner ring; 3. a holder; 4. fixing the bolt; 5. steel balls; 6. An oil outlet hole; 7. a dust screen; 8. an oil storage tank; 9. a first groove; 10. a first retainer ring; 11. an outer ring dustproof strip; 12. a third groove; 13. an outer retainer ring; 14. a protective net; 15. a first support column; 16. a first slide plate; 17. a second support column; 18. a second slide plate; 19. a second groove; 20. a second retainer ring; 21. inner ring dust-proof strips; 22. an inner fixed ring; 23. a fourth groove; 24. a loudspeaker.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a rolling bearing of a motor includes an outer ring 1, steel balls 5 are disposed on an inner side of the outer ring 1, an oil outlet 6 is disposed on an inner wall of the outer ring 1, an oil storage tank 8 is disposed inside the outer ring 1, third grooves 12 are disposed on two sides of the oil outlet 6 on the inner wall of the outer ring 1, a retainer 3 is disposed on an outer wall of the steel balls 5, inner rings 2 are disposed on an inner side of the steel balls 5, fixing bolts 4 are disposed on the retainer 3, an outer fixing ring 13 is disposed inside the third grooves 12, a first groove 9 is disposed on one side of the third grooves 12 away from the oil outlet 6, a protective screen 14 is connected to an inner side of the outer fixing ring 13, a first fixing ring 10 is disposed inside the first groove 9, an outer ring dust-proof strip 11 is connected to an inner side of the first fixing ring 10, a first support column 15 is disposed on one side of the outer ring dust-proof strip 11, the outer wall of the inner ring 2 is provided with a second groove 19, a second supporting column 17 is arranged on the outer side, located on the second groove 19, of the outer wall of the inner ring 2, a second fixing ring 20 is arranged inside the second groove 19, a fourth groove 23 is arranged on the inner side of the second groove 19, one end of the second fixing ring 20 is connected with an inner ring dustproof strip 21, a second sliding plate 18 is arranged at one end of the second supporting column 17, a loudspeaker 24 is arranged on one side, away from the second groove 19, of the second supporting column 17, and an inner fixing ring 22 is connected to the inner side of the protective net 14.
Please refer to fig. 1, the outer ring 1 and the inner ring 2 are movably connected by the steel balls 5, so that the outer ring 1 and the inner ring 2 can rotate conveniently, and the outer ring dust-proof strip 11 and the inner ring dust-proof strip 21 have elasticity, so that the inner part of the bearing can be adjusted conveniently by the outer ring dust-proof strip 11 and the inner ring dust-proof strip 21.
Please refer to fig. 2, the number of the protection nets 14 is two, which protects two sides of the bearing, the protection net 14 is detachably connected with the outer ring 1 and the inner ring 2 through the outer fixing ring 13 and the inner fixing ring 22, so as to facilitate the detachment and installation of the protection net 14, and the outer fixing ring 13 and the inner fixing ring 22 have elasticity, so as to facilitate the taking out of the protection net 14 from the third groove 12 and the fourth groove 23.
Please refer to fig. 3, the outer ring dust-proof strip 11 is engaged with the inner ring dust-proof strip 21, so that the outer ring dust-proof strip 11 and the inner ring dust-proof strip 21 can block dust at the same time, and grease is coated on the outer ring dust-proof strip 11 and the inner ring dust-proof strip 21, so that the dust can be conveniently attached to the outer ring dust-proof strip 11 and the inner ring dust-proof strip 21, thereby achieving the purpose of blocking dust.
Please refer to fig. 5 and 6, the inner side of the oil outlet 6 is provided with the dust screen 7, the dust screen 7 is connected with the oil outlet 6 through glue, the dust screen 7 prevents dust in the bearing from entering the oil storage tank 8, the oil outlet 6 penetrates the oil storage tank 8, so that grease in the oil storage tank 8 can flow out through the oil outlet 6, the oil storage tank 8 is internally provided with solid grease, the fixed grease is convenient to store, and no leakage occurs when the bearing does not work.
Please refer to fig. 7 and 8, the number of the fixing bolts 4 is multiple, the fixing bolts 4 fix the holder 3, so as to fix the steel balls 5, and the holder 3 is detachably connected with the fixing bolts 4, so as to facilitate the disassembly and assembly of the bearing, the number of the first support column 15 and the second support column 17 is two, the two first support column 15 and the second support column 17 respectively perform load protection on the outer ring 1 and the inner ring 2, the speaker 24 is adhesively connected with the second support column 17 through glue, so that when the second slide plate 18 on the second support column 17 rubs with the outer ring 1, the speaker 24 can amplify the sound of the friction, so as to prompt, the first support column 15 is welded on the inner wall of the outer ring 1, so as to perform load protection on the outer ring 1, the first slide plate 16 is welded on one end of the first support column 15, so as to facilitate the contact with the inner ring 2, a sound is emitted.
Please refer to fig. 9, the outer fixing ring 13 is fastened with the third groove 12, and the inner fixing ring 22 is fastened with the fourth groove 23, so that the protection net 14 is clamped between the outer ring 1 and the inner ring 2, and the outer ring 1 and the inner ring 2 are protected from foreign matters, and the protection net 14 is connected with the outer fixing ring 13 and the inner fixing ring 22 through the adhesive property of glue, so that the outer fixing ring 13 and the inner fixing ring 22 drive the protection net 14 to be fixed.
The working principle is as follows: when the bearing is used, when the outer ring 1 and the inner ring 2 rotate to work, the steel balls 5 are in contact with the inner wall of the outer ring 1 and the outer wall of the inner ring 2 and generate friction, after the bearing works for a period of time, the lubrication inside the bearing is insufficient, the temperature of the bearing rises at the same time, solid grease in the oil storage tank 8 inside the outer ring 1 is melted at high temperature to be changed into liquid oil, the liquid oil flows out of the oil outlet 6, the flowing oil is in contact with the steel balls 5 and adheres to the surfaces of the steel balls 5 to increase the lubrication of the bearing, so that the bearing can rotate more smoothly, the outer ring dustproof strip 11 on the outer ring 1 is clamped through the first fixing ring 10, the inner ring dustproof strip 21 on the inner ring 2 is clamped through the second fixing ring 20, the outer ring dustproof strip 11 is overlapped with the inner ring dustproof strip 21, the grease coated on the outer ring dustproof strip enables dust to adhere to the dust, so that the dust, The 22 block of interior retainer plate is on outer lane 1 and inner circle 2, block the great foreign matter of granule, prevent inside the granule gets into the bearing, when the load of bearing is great, first support column 15 is through the outer wall contact of first slide 16 with inner circle 2, the noise is sent out, second support column 17 is through the inner wall contact of second slide 18 with outer lane 1, the noise is sent out, the megaphone 24 of second support column 17 one side increases the noise, make the staff be convenient for discover.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. A motor rolling bearing, includes outer lane (1), its characterized in that: the inner side of the outer ring (1) is provided with a steel ball (5), the inner wall of the outer ring (1) is provided with an oil outlet (6), the inner part of the outer ring (1) is provided with an oil storage tank (8), third grooves (12) are formed in two sides, located on the oil outlet (6), of the inner wall of the outer ring (1), the outer wall of the steel ball (5) is provided with a retainer (3), inner rings (2) are arranged on the inner side of the steel ball (5), fixing bolts (4) are arranged on the retainer (3), outer fixing rings (13) are arranged in the third grooves (12), a first groove (9) is formed in one side, far away from the oil outlet (6), of each third groove (12), the inner side of each outer fixing ring (13) is connected with a protective net (14), a first fixing ring (10) is arranged in each first groove (9), and an outer ring dustproof strip (11) is connected to the inner side of each, a first supporting column (15) is arranged on one side of the outer ring dustproof strip (11) far away from the protective net (14), one end of the first supporting column (15) is connected with a first sliding plate (16), the outer wall of the inner ring (2) is provided with a second groove (19), and the outer wall of the inner ring (2) is positioned at the outer side of the second groove (19) and is provided with a second supporting column (17), a second fixing ring (20) is arranged in the second groove (19), a fourth groove (23) is arranged on the inner side of the second groove (19), one end of the second fixing ring (20) is connected with an inner ring dustproof strip (21), one end of the second supporting column (17) is provided with a second sliding plate (18), and a loudspeaker (24) is arranged on one side, far away from the second groove (19), of the second supporting column (17), and the inner side of the protective net (14) is connected with an inner fixing ring (22).
2. A rolling bearing for an electric machine according to claim 1, wherein: the outer ring (1) is movably connected with the inner ring (2) through steel balls (5), and the outer ring dustproof strip (11) and the inner ring dustproof strip (21) are elastic.
3. A rolling bearing for an electric machine according to claim 1, wherein: the number of protection network (14) is two, protection network (14) and outer lane (1), inner circle (2) are through outer retainer plate (13), interior retainer plate (22) detachable connection, outer retainer plate (13), interior retainer plate (22) have elasticity.
4. A rolling bearing for an electric machine according to claim 1, wherein: the outer ring dustproof strip (11) is clamped with the inner ring dustproof strip (21), and grease is coated on the outer ring dustproof strip (11) and the inner ring dustproof strip (21).
5. A rolling bearing for an electric machine according to claim 1, wherein: the inboard of oil outlet (6) is provided with dust screen (7), and dust screen (7) and oil outlet (6) pass through glue adhesive bonding, oil outlet (6) run through to the inside of oil storage tank (8), the inside of oil storage tank (8) is provided with solid grease.
6. A rolling bearing for an electric machine according to claim 1, wherein: the number of the fixing bolts (4) is multiple, and the retainer (3) is detachably connected with the fixing bolts (4).
7. A rolling bearing for an electric machine according to claim 1, wherein: the loudspeaker is characterized in that the number of the first supporting columns (15) and the number of the second supporting columns (17) are two, and the loudspeaker (24) is connected with the second supporting columns (17) through glue in an adhesive mode.
8. A rolling bearing for an electric machine according to claim 1, wherein: the first support column (15) is welded on the inner wall of the outer ring (1), and the first sliding plate (16) is welded at one end of the first support column (15).
9. A rolling bearing for an electric machine according to claim 1, wherein: the outer fixing ring (13) is clamped with the third groove (12), the inner fixing ring (22) is clamped with the fourth groove (23), and the protective net (14) is connected with the outer fixing ring (13) and the inner fixing ring (22) through glue in an adhesive mode.
CN201911121945.8A 2019-11-15 2019-11-15 Motor rolling bearing Active CN110792693B (en)

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CN110792693A true CN110792693A (en) 2020-02-14
CN110792693B CN110792693B (en) 2021-05-18

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CN208431273U (en) * 2018-05-11 2019-01-25 山东浩尔特轴承制造有限公司 A kind of noise reduction bearing
CN209130055U (en) * 2018-10-30 2019-07-19 嘉善丰盈科技有限公司 A kind of bearing with dust reduction capability
CN110030278A (en) * 2019-04-25 2019-07-19 浙江丰安精密机械有限公司 A kind of double-layer seal rings deep groove ball bearing
CN209212786U (en) * 2018-12-13 2019-08-06 浙江金赛精密科技有限公司 A kind of hub-bearing unit

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JP2014020506A (en) * 2012-07-20 2014-02-03 Jtekt Corp Rolling bearing
US20140248016A1 (en) * 2013-03-01 2014-09-04 Roller Bearing Company Of America, Inc. Composite annular seal assembly for bearings
CN203670491U (en) * 2014-01-21 2014-06-25 台州市路桥区精达轴承厂 Non-contact bearing
GB2529465A (en) * 2014-08-21 2016-02-24 Skf Ab Rolling element bearing
CN105587764A (en) * 2014-11-14 2016-05-18 重庆丰德数控机床有限公司 Insert bearing for numerical control machine tool
CN105275979A (en) * 2015-10-31 2016-01-27 江苏南田工机有限公司 Push-rod type motor bearing
CN206918103U (en) * 2017-06-30 2018-01-23 森杰(上海)国际贸易有限公司 Shield bearing is used on a kind of elevator traction machine
CN207406638U (en) * 2017-10-24 2018-05-25 无锡民联汽车零部件有限公司 Dustproof cover heat radiating type ball bearing
CN207500331U (en) * 2017-12-04 2018-06-15 韶关东南轴承有限公司 Automobile hub bearing
CN207989561U (en) * 2018-03-26 2018-10-19 安徽徽熳动力机械制造有限公司 A kind of dust-proof, multistage lubricated type bearing applied to numerically-controlled machine tool
CN208431273U (en) * 2018-05-11 2019-01-25 山东浩尔特轴承制造有限公司 A kind of noise reduction bearing
CN209130055U (en) * 2018-10-30 2019-07-19 嘉善丰盈科技有限公司 A kind of bearing with dust reduction capability
CN209212786U (en) * 2018-12-13 2019-08-06 浙江金赛精密科技有限公司 A kind of hub-bearing unit
CN110030278A (en) * 2019-04-25 2019-07-19 浙江丰安精密机械有限公司 A kind of double-layer seal rings deep groove ball bearing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114160483A (en) * 2022-01-24 2022-03-11 新昌县隆豪轴承有限公司 Cleaning method for processing air conditioner bearing ring

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