CN114321165A - High bearing capacity roller bearing - Google Patents
High bearing capacity roller bearing Download PDFInfo
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- CN114321165A CN114321165A CN202111584314.7A CN202111584314A CN114321165A CN 114321165 A CN114321165 A CN 114321165A CN 202111584314 A CN202111584314 A CN 202111584314A CN 114321165 A CN114321165 A CN 114321165A
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- oil
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- roller
- hole
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- 239000003921 oil Substances 0.000 claims abstract description 93
- 239000010687 lubricating oil Substances 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 35
- 239000000945 filler Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
The invention discloses a high-bearing-capacity roller bearing which comprises an inner ring connected with a rotating piece, wherein an outer ring is arranged on the outer side of the inner ring, and an oil filling hole for filling lubricating oil is formed in the top of the outer ring; further comprising: the retaining seat is arranged between the inner ring and the outer ring, a storage bin is arranged inside the retaining seat, an oil adding bin is arranged inside the retaining seat, and the retaining seat is fixedly connected with the outer ring; the retainer is fixedly arranged on the outer side of the retaining seat, a limiting hole is formed in the retainer, and a roller main body which reduces friction force through rolling is movably arranged on the inner side of the limiting hole. This high bearing capacity roller bearing passes through the bearing seat that the symmetry set up, and the equipment work in bearing earlier stage can be convenient for, can hold lubricating oil simultaneously and save to realize the automatic filling of fluid through the thermal change of follow-up friction, effectively improved the lubricated effect and the bearing capacity of bearing, effectively prolonged life.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a high-bearing-capacity roller bearing.
Background
The bearing is the most common rotating part in mechanical equipment, and it can effectively reduce the rotational friction between the connecting piece, and then avoids the part rapid wear and tear and influence equipment life, and roller bearing is more commonly used in the bearing, but current roller bearing still has some not enoughly.
For example, the cylindrical roller bearing and the cage thereof disclosed in the publication number CN108457987B, the cage of the cylindrical roller bearing includes an annular body and pockets arranged on the annular body, the pockets drive the cage to rotate through the pockets during the rotation, the contact force between each roller and the inner ring is reduced under the action of centrifugal force and vibration impact, so as to generate slipping, the slipping roller will continue to revolve around the inner ring under the drive of the rear side wall of the pocket, … …, so that the resultant force of positive pressure and friction rotates towards the inside of the bearing for a certain angle, thus the resultant force of positive pressure and friction is reduced in the radial outward direction, the radial outward force applied to the roller is correspondingly reduced, the radial inward force applied to the roller is increased, and finally the contact force between the roller and the inner ring is increased, which is beneficial to restraining the slipping tendency of the roller, reduce because of the wearing and tearing that the roller skidded the cause, improved cylindrical roller bearing's life-span, but it is in the use, inconvenient come automatic lubricant liquid that adds according to specific lubricated effect for the roller produces great wearing and tearing easily at the rotation in-process, and then has reduced the axial bearing capacity of bearing and has shortened the life of bearing, has certain service defect.
We have therefore proposed a high load bearing roller bearing in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a high-bearing-capacity roller bearing to solve the problems that the roller bearing in the prior market cannot automatically add lubricating oil according to the specific lubricating effect, so that the roller is easy to generate large abrasion in the rotating process, the axial bearing capacity of the bearing is further reduced, and the service life of the bearing is shortened.
In order to achieve the purpose, the invention provides the following technical scheme: a high-bearing-capacity roller bearing comprises an inner ring connected with a rotating piece, wherein an outer ring is arranged on the outer side of the inner ring, and an oil filling hole used for filling lubricating oil is formed in the top of the outer ring;
further comprising:
the retaining seat is arranged between the inner ring and the outer ring, a storage bin is arranged inside the retaining seat, an oil adding bin is arranged inside the retaining seat, and the retaining seat is fixedly connected with the outer ring;
the retainer is fixedly arranged on the outer side of the retaining seat, a limiting hole is formed in the retainer, and a roller main body which reduces friction force through rolling is movably arranged on the inner side of the limiting hole.
Preferably, the bearing seat is symmetrically provided with two bearing seats about the outer ring, the section of the outer ring is in a T-shaped structure, positioning holes are formed in the outer ring and the bearing seat at equal angles around the circumferential direction of the central axis of the bearing seat, connecting screws playing a fixing role are connected inside the positioning holes in a penetrating mode, and the positioning holes formed in the top of the outer ring and the oil injection holes are staggered.
Through adopting above-mentioned technical scheme for multiunit connecting screw can bear the seat laminating with two and be fixed in the both sides of outer lane, and the through type of connecting screw is connected, can effectively improve the outer lane, bear the connection stability and the holistic bearing capacity of bearing of seat, and the equipment of bearing earlier stage is also more convenient for to detachable mode between them.
Preferably, the inner wall of the bearing seat is in an inclined plane structure, the maximum inner diameter of the bearing seat is equal to the inner diameter of the outer ring, and the inner wall of the bearing seat is attached to the outer wall of the retaining seat.
By adopting the technical scheme, after the outer ring and the bearing seat are spliced, the maximum inner diameter of the bearing seat is the same as the inner diameter of the retaining seat, so that the retaining seat can be effectively limited, the retaining seat is prevented from deviating to the two sides of the bearing, and the overall stability and the bearing capacity of the bearing structure are further improved.
Preferably, the inlet port has been seted up to the upper end of keeping the seat, just inlet port and aperture between them of oil filler point equal, and both communicate each other for inlet port and oil filler point, simultaneously storage storehouse and the intercommunication each other of adding the oil bunker, moreover add the oil bunker and be the setting of ring annular structure, the bottom surface position in storage storehouse is higher than the top position of adding the oil bunker.
Through adopting above-mentioned technical scheme for through the oil filler point, can pour into storage bin with fluid in, during the inflow adds the oil bin, make to add the oil bin and be in full storehouse state, when adding oil bin in fluid consumption, fluid in the storage bin can automatic feeding, and then makes to add the oil bin and be in full storehouse state all the time, need not the user and frequently adds lubricated fluid, has improved the subsequent convenience of maintaining of bearing.
Preferably, the two retainers are symmetrically arranged on the two retainers, the two retainers and the retainers are arranged in an integrated structure, the side walls of the retainers are provided with limit holes at equal angles around the circumference of the central axis of the retainer, the limit holes are in clearance fit with the roller bodies, the roller bodies are attached to the inner wall of the bearing seat and the outer wall of the inner ring, and the roller bodies are arranged in an inclined manner.
Through adopting above-mentioned technical scheme for the holder can carry out effective location to the roller main part, makes the roller main part can stably laminate in the inner circle and bear between the seat, thereby effectively avoids the roller main part to take place to skid in the bearing use, has further improved the bearing capacity of bearing.
Preferably, an oil delivery hole is formed in the holder and is communicated with the oil feeding bin, a magnetic bead is arranged at one end of the oil delivery hole, which is located at the holder, the aperture of the oil delivery hole at one end of the holder is gradually reduced, the aperture of the tail end of the oil delivery hole, which is located at the surface of the limiting hole, is smaller than the diameter of the magnetic bead, and the tail end of the oil delivery hole is arranged in an inclined manner.
Through adopting above-mentioned technical scheme, the magnetic bead can carry out the shutoff to the end of oil transfer hole to avoid adding the whole outflow of lubricating oil liquid through the oil transfer hole in the oil storehouse, thereby make the unable save of fluid, make the user need frequently add lubricating oil liquid.
Preferably, the binding surface of the retainer and the roller body is of an arc structure, the diameter of the roller body is smaller than the width of the limiting hole, and the outer wall of the roller body is provided with a drainage groove of a threaded structure.
Through adopting above-mentioned technical scheme for when the bearing used, the roller main part can carry out high-speed rotation, makes the drainage groove of seting up on roller main part surface can carry out the drainage to its surperficial lubricating oil, makes lubricating oil can spread to roller main part's whole outer wall, thereby has further improved roller main part's lubricated effect, avoids roller main part excessive wear.
Preferably, the outer wall of the holder is embedded with magnetic blocks at equal angles around the circumference of the central axis, the positions of the magnetic blocks correspond to those of the magnetic beads, and the magnetic poles of the magnetic beads and the magnetic blocks are the same.
Through adopting above-mentioned technical scheme, when the bearing lacks lubricating oil, the frictional force that the roller main part received can increase, thereby make the roller main part can the friction rise heat, and then realize the heating to the magnetic bead through heat-conduction, make the magnetic force of magnetic bead weaken, and then make the magnetic bead take place to roll along the inclined plane of oil transfer hole, the mediation is realized to the oil transfer hole this moment, make lubricating oil in adding the oil storehouse pass through oil transfer hole guide roller main part, realize the lubrication to the roller main part, when roller main part is lubricated, after the cooling, the magnetic bead can resume magnetic force, make the magnetic bead reset under the magnetic force effect, the realization is to the terminal shutoff of oil transfer hole, avoid lubricating oil to continue to leak, make the bearing can carry out self-adaptation automatic oiling, therefore, the clothes hanger is strong in practicability.
Compared with the prior art, the invention has the beneficial effects that: the high-bearing-capacity roller bearing can facilitate the early assembly work of the bearing through the symmetrically arranged bearing seats, can simultaneously store lubricating oil, and realizes the automatic filling of the oil through the change of subsequent friction heat, thereby effectively improving the lubricating effect and the bearing capacity of the bearing, effectively prolonging the service life of the bearing, and having the following specific contents;
1. the bearing seat is arranged, the retaining seat and the roller main body can be conveniently and fast installed through the detachable bearing seat, the assembly work in the early stage of the bearing is simplified, the production efficiency of the bearing is effectively improved, meanwhile, the fit degree of the bearing seat and the roller main body can also be improved, the slipping phenomenon of the roller main body is reduced, and the overall bearing capacity of the bearing is effectively improved;
2. the roller main body is arranged, when the bearing is used, the roller main body can rotate at a high speed under the action of friction force, sliding friction is fully converted into rolling friction to reduce the friction force, and along with the rotation of the roller main body, the drainage grooves formed in the outer wall of the roller main body can convey oil liquid, so that lubricating oil liquid can fully flow through the integral outer wall of the roller main body, and the lubricating effect of the roller main body is effectively improved;
3. be provided with the oil transmission hole, magnetic bead and magnetic path, when the bearing normally functions, the magnetic bead can be in the terminal inner wall of oil transmission hole of laminating under magnetic force, and then realize the automatic shutoff to the oil transmission hole, avoid adding the lubricant in the oil storehouse and leak, make the inboard of bearing can save lubricant, need not the square and carry out fluid interpolation, when the roller main part lacks lubricant and produces the friction, the roller main part can rise heat because of the friction, can heat the magnetic bead through heat conduction, make the magnetism of magnetic bead weak slightly, make the magnetic force that the magnetic bead received be less than gravity, the inclined plane that the oil transmission hole can be followed to the magnetic bead this moment rolls, make the fluid that adds in the oil storehouse can follow the surface that the oil transmission hole flowed through the roller main part, realize the self-lubricate to the roller main part, the wearing and tearing of bearing have effectively been reduced.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic view of a mounting structure of the holder according to the present invention;
FIG. 3 is a partial cross-sectional view of the retainer of the present invention;
FIG. 4 is a perspective view of the cage of the present invention;
FIG. 5 is a side cross-sectional view of the retainer of the present invention;
FIG. 6 is a side cross-sectional structural view of a cage portion of the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 6 according to the present invention;
fig. 8 is a schematic perspective view of the load bearing seat of the present invention.
In the figure: 1. an inner ring; 2. an outer ring; 3. a bearing seat; 4. positioning holes; 5. a connecting screw; 6. an oil filler hole; 7. a holder; 8. a storage bin; 9. an oil inlet hole; 10. an oil adding bin; 11. a holder; 12. a limiting hole; 13. an oil transfer hole; 14. a roller main body; 15. a drainage groove; 16. magnetic beads; 17. a magnetic block.
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. 1-8, the present invention provides a technical solution: a high bearing capacity roller bearing comprises an inner ring 1 connected with a rotating part, wherein an outer ring 2 is arranged on the outer side of the inner ring 1, and an oil filling hole 6 for filling lubricating oil is formed in the top of the outer ring 2;
further comprising: the retaining seat 7 is arranged between the inner ring 1 and the outer ring 2, a storage bin 8 is arranged inside the retaining seat 7, an oil adding bin 10 is arranged inside the retaining seat 7, and the retaining seat 7 is fixedly connected with the outer ring 2; the retainer 11 is fixedly arranged on the outer side of the retainer 7, a limiting hole 12 is formed in the retainer 11, and a roller main body 14 which reduces friction force through rolling is movably arranged on the inner side of the limiting hole 12.
An oil inlet hole 9 is formed in the upper end of the retaining base 7, the aperture of the oil inlet hole 9 is equal to that of the oil filling hole 6, the oil inlet hole 9 is communicated with the oil filling hole 6, the storage bin 8 is communicated with the oil adding bin 10, the oil adding bin 10 is arranged in a circular ring structure, the bottom surface of the storage bin 8 is higher than the top position of the oil adding bin 10, an oil conveying hole 13 is formed in the retainer 11, the oil conveying hole 13 is communicated with the oil adding bin 10, magnetic beads 16 are arranged at one end, located at the retainer 11, of the oil conveying hole 13, the aperture of the end, located at one end of the retainer 11, of the oil conveying hole 13 is gradually reduced, the aperture of the tail end of the oil conveying hole 13, located on the surface of the limiting hole 12, is smaller than the diameter of the magnetic beads 16, the tail end of the oil conveying hole 13 is arranged in an inclined manner, magnetic blocks 17 are embedded into the outer wall of the retainer 11 at equal angles in the circumferential direction of the center axis of the retainer, and the positions of the magnetic blocks 17 are corresponding to the magnetic beads 16, and the magnetic poles of the magnetic beads 16 and the magnetic blocks 17 are the same, as shown in fig. 2-7, through the oil injection hole 6, lubricating oil can be added into the storage bin 8, meanwhile, the lubricating oil in the storage bin 8 can flow into the oil adding bin 10, so that the oil adding bin 10 is kept in a full-bin state, when the outer side of the roller main body 14 lacks lubricating oil, the friction force applied to the roller main body is increased, so that a large amount of friction heat is generated, through heat conduction, the magnetic beads 16 are heated, the magnetism of the magnetic beads 16 is reduced along with the rise of temperature, at the moment, the magnetic force between the magnetic beads 16 and the magnetic blocks 17 is gradually reduced, so that the magnetic beads 16 roll along the inclined oil conveying holes 13 under the action of gravity, thereby realizing the automatic opening of the oil conveying holes 13, further enabling the lubricating oil in the oil adding bin 10 to flow to the surface of the roller main body 14 through the oil conveying holes 13, and realizing the automatic adding of the lubricating oil, when the temperature of the roller main body 14 and the magnetic bead 16 is reduced, the magnetic force of the magnetic bead 16 is recovered, so that the magnetic bead 16 can be reset under the action of the magnetic force and block the oil transmission hole 13, and the lubricating oil is prevented from flowing out once.
The two retainers 11 are symmetrically arranged relative to the retainer 7, the retainer 7 and the retainer 11 are arranged in an integrated structure, the side wall of the retainer 11 is provided with limit holes 12 at equal angles around the circumference of the central axis, the limit holes 12 are in clearance fit with the roller bodies 14, the roller bodies 14 are attached to the inner wall of the bearing seat 3 and the outer wall of the inner ring 1, and the roller bodies 14 are arranged in an inclined manner. The binding face of holder 11 and roller main part 14 is the arc structure, and the diameter of roller main part 14 is less than the width of spacing hole 12, and the drainage groove 15 of helicitic texture is seted up to the outer wall of roller main part 14, as shown in fig. 1-2 and fig. 6, when the bearing uses, roller main part 14 can carry out high-speed rotation automatically, thereby make the drainage groove 15 that its outer wall was seted up carry out the automation to lubricating oil, make lubricating oil can coat in roller main part 14's whole outer wall fast, and then effectively improved the lubricated effect of bearing, avoid appearing great wearing and tearing in the bearing use, effectively prolonged the life of bearing.
The working principle is as follows: when the high-bearing-capacity roller bearing is used, firstly, as shown in fig. 1-8, the outer ring 2 and the bearing seat 3 are spliced through the connecting screw 5, so as to realize the assembly of the bearing, when the high-bearing-capacity roller bearing is used, lubricating oil can be filled into the storage bin 8 and the oil filling bin 10 through the oil filling hole 6, when the outer wall of the roller main body 14 is lack of lubricating oil, a large amount of heat can be generated and the magnetic beads 16 are heated under the action of friction force, so that the magnetic force borne by the magnetic beads 16 changes, and the magnetic beads 16 roll under the action of gravity, so that the oil conveying hole 13 is automatically opened, at the moment, the oil in the oil filling bin 10 can automatically flow to the inner wall of the limiting hole 12, so as to coat the lubricating oil on the outer side of the roller main body 14, and meanwhile, in the high-speed rotation process of the roller main body 14, the drainage grooves 15 formed in the outer wall can convey the lubricating oil, so that the oil can uniformly coat the whole outer part of the drainage grooves 15, the friction force between the bearing parts is effectively reduced, the service life of the bearing is prolonged, and a series of work is completed.
Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A high-bearing-capacity roller bearing comprises an inner ring (1) connected with a rotating piece, wherein an outer ring (2) is arranged on the outer side of the inner ring (1), and an oil filling hole (6) used for filling lubricating oil is formed in the top of the outer ring (2);
it is characterized by also comprising:
the oil adding device comprises a retaining seat (7) arranged between the inner ring (1) and the outer ring (2), a storage bin (8) is arranged inside the retaining seat (7), an oil adding bin (10) is arranged inside the retaining seat (7), and the retaining seat (7) is fixedly connected with the outer ring (2);
the roller bearing comprises a retainer (11) fixedly arranged on the outer side of the retainer (7), a limiting hole (12) is formed in the retainer (11), and a roller main body (14) capable of reducing friction force through rolling is movably arranged on the inner side of the limiting hole (12).
2. A high capacity roller bearing as claimed in claim 1, wherein: bear seat (3) and be provided with two about outer lane (2) symmetry, just the section of outer lane (2) is "T" style of calligraphy structure setting, and outer lane (2) and the inside of bearing seat (3) have seted up locating hole (4) around its central axis circumference equiangular, simultaneously the inside through connection of locating hole (4) has connection screw (5) that play the fixed action, moreover the position of locating hole (4) and oil filler point (6) seted up at outer lane (2) top staggers each other.
3. A high capacity roller bearing as claimed in claim 1, wherein: the inner wall of the bearing seat (3) is of an inclined plane structure, the maximum inner diameter of the bearing seat (3) is equal to the inner diameter of the outer ring (2), and the inner wall of the bearing seat (3) is attached to the outer wall of the retaining seat (7).
4. A high capacity roller bearing according to claim 3, wherein: oil inlet (9) have been seted up to the upper end that keeps seat (7), just oil inlet (9) and oil filler point (6) aperture between them equals, and oil filler point (9) and oil filler point (6) both communicate each other, simultaneously storage storehouse (8) and add oil bunker (10) and communicate each other, moreover add oil bunker (10) and be the setting of circle annular structure, the bottom surface position of storage storehouse (8) is higher than the top position of adding oil bunker (10).
5. A high capacity roller bearing according to claim 4, wherein: the roller bearing is characterized in that the two retainers (11) are symmetrically arranged relative to the retainers (7), the retainers (7) and the retainers (11) are arranged in an integrated structure, the side wall of the retainer (11) is provided with limit holes (12) at equal angles around the circumferential direction of the central axis of the retainer, the limit holes (12) are in clearance fit with the roller bodies (14), the roller bodies (14) are attached to the inner wall of the bearing seat (3) and the outer wall of the inner ring (1), and the roller bodies (14) are arranged in an inclined manner.
6. A high capacity roller bearing as claimed in claim 1, wherein: an oil conveying hole (13) is formed in the holder (11), the oil conveying hole (13) is communicated with the oil adding bin (10), magnetic beads (16) are arranged at one end, located on the holder (11), of the oil conveying hole (13), the aperture of one end, located on the holder (11), of the oil conveying hole (13) is gradually reduced, meanwhile, the aperture of the tail end, located on the surface of the limiting hole (12), of the oil conveying hole (13) is smaller than the diameter of the magnetic beads (16), and the tail end of the oil conveying hole (13) is arranged in an inclined mode.
7. A high capacity roller bearing as claimed in claim 1, wherein: the binding surface of the retainer (11) and the roller body (14) is of an arc-shaped structure, the diameter of the roller body (14) is smaller than the width of the limiting hole (12), and the outer wall of the roller body (14) is provided with a drainage groove (15) of a threaded structure.
8. A high capacity roller bearing according to claim 6, wherein: the outer wall of the retainer (11) is embedded with magnetic blocks (17) at equal angles around the circumferential direction of the central axis of the retainer, the positions of the magnetic blocks (17) correspond to those of the magnetic beads (16), and the magnetic poles of the magnetic beads (16) are the same as those of the magnetic blocks (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584314.7A CN114321165A (en) | 2021-12-23 | 2021-12-23 | High bearing capacity roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584314.7A CN114321165A (en) | 2021-12-23 | 2021-12-23 | High bearing capacity roller bearing |
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| Publication Number | Publication Date |
|---|---|
| CN114321165A true CN114321165A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111584314.7A Pending CN114321165A (en) | 2021-12-23 | 2021-12-23 | High bearing capacity roller bearing |
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Application publication date: 20220412 |