CN110566578A - Spherical roller bearing - Google Patents
Spherical roller bearing Download PDFInfo
- Publication number
- CN110566578A CN110566578A CN201910949404.8A CN201910949404A CN110566578A CN 110566578 A CN110566578 A CN 110566578A CN 201910949404 A CN201910949404 A CN 201910949404A CN 110566578 A CN110566578 A CN 110566578A
- Authority
- CN
- China
- Prior art keywords
- bearing
- sealing
- ring
- spherical
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 133
- 239000004519 grease Substances 0.000 claims abstract description 8
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000013618 particulate matter Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a spherical roller bearing, which comprises a bearing outer ring, a bearing inner ring, a bearing roller and a sealing ring for preventing lubricating grease from leaking outwards, wherein a roller track for mounting the bearing roller is arranged on the bearing inner ring; the sealing surface of the bearing inner ring, which is used for being in contact with the sealing part, is a spherical surface, the circle center of the spherical surface is the intersection point of the axis of the bearing inner ring and the radial center line, and the radius of the spherical surface is the distance from the circle center to one end of the roller track, which is far away from the radial center line. Therefore, when the aligning angle of the bearing inner ring and the bearing outer ring is changed, the interference magnitude and the friction force between the sealing ring and the sealing surface are not changed, the sealing state is always kept consistent, and the sealing effect of the bearing in the aligning angle range is ensured to be unchanged; the height of the sealing surface is reduced, so that a friction force arm is shortened, friction torque is reduced, and the risk of failure of the sealing ring due to external reasons is reduced.
Description
Technical Field
The invention relates to the technical field of bearing sealing, in particular to a spherical roller bearing.
background
The standard spherical roller bearing is mostly in an open state and has a centering function, but the standard spherical roller bearing is installed in a split seat and is externally provided with an end cover and an oil seal when in use, so that the centering function is basically lost.
In the prior art, please refer to fig. 1, although the spherical roller bearing with a seat realizes the aligning function, the sealing effect is inconsistent within the range of the angle allowing for aligning, so that the sealing effect cannot meet the design requirement; in addition, the friction torque between the sealing arc surface of the stamping sealing element 01 and the sealing ring is large, so that the risk of sealing failure is increased.
In summary, how to ensure the sealing effect while ensuring the aligning function is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a spherical roller bearing, in which a sealing surface of a sealing ring is disposed on an inner ring of the bearing, so as to effectively ensure a sealing effect of the bearing within an angle range allowing for aligning.
In order to achieve the above purpose, the invention provides the following technical scheme:
a spherical roller bearing comprises a bearing outer ring, a bearing inner ring, a bearing roller and a sealing ring for preventing lubricating grease from leaking outwards, wherein a roller track for mounting the bearing roller is arranged on the bearing inner ring;
The sealing surface of the bearing inner ring, which is used for being in contact with the sealing part, is a spherical surface, the circle center of the spherical surface is the intersection point of the axis of the bearing inner ring and the radial center line, and the radius of the spherical surface is the distance from the circle center to one end of the roller track, which is far away from the radial center line.
Preferably, when the sealing portion is located at the edge of the sealing surface, an alignment angle between the bearing inner ring and the bearing outer ring is 1.5 ° to 2.5 °.
Preferably, be equipped with on the bearing inner race and be used for the installation the sealing washer mounting groove of installation skeleton, installation skeleton joint in the sealing washer mounting groove.
Preferably, the sealing part comprises two upper sealing lips, and the distance between the two upper sealing lips is equal to the width of the mounting framework, so that the mounting framework can be clamped.
Preferably, the sealing portion comprises at least one lower sealing lip for abutment with the sealing surface.
preferably, the number of the lower seal lips is three, and the bottom surface of the lower seal lip relatively far away from the bearing roller and the bottom surface of the lower seal lip relatively close to the bearing roller are both wedge-shaped.
Preferably, the bearing further comprises an outer retainer ring mounted on the bearing inner ring, the outer retainer ring comprises a spherical cambered surface for preventing splashing particulate matters, and an upper sealing lip relatively close to the spherical cambered surface is abutted to the spherical cambered surface.
preferably, the installation framework is a stamped metal framework, and the sealing part is a rubber sealing ring.
Preferably, the roller track and the sealing surface are integrally ground surfaces formed by machining through a special-shaped grinding wheel.
The invention provides a spherical roller bearing, which comprises a bearing outer ring, a bearing inner ring, a bearing roller and a sealing ring for preventing lubricating grease from leaking outwards, wherein a roller track for mounting the bearing roller is arranged on the bearing inner ring; the sealing surface of the bearing inner ring, which is used for being in contact with the sealing part, is a spherical surface, the circle center of the spherical surface is the intersection point of the axis of the bearing inner ring and the radial center line, and the radius of the spherical surface is the distance from the circle center to one end of the roller track, which is far away from the radial center line.
Because the sealing surface is a spherical surface arranged on the bearing inner ring, when the aligning angle of the bearing inner ring and the bearing outer ring is changed, although the contact position of the sealing ring on the spherical surface sealing surface is changed, the interference magnitude between the sealing ring and the sealing surface is unchanged, and the friction force is unchanged.
Meanwhile, the size of the friction torque M is determined by the friction force F and the friction force arm L, the torque on the sealing surface is the distance from the axis of the inner ring of the bearing to the sealing surface, and compared with the prior art, the height of the sealing surface is reduced, so that the friction force arm is reduced, the friction torque is further reduced, and the possibility that the sealing ring fails due to external reasons is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a spherical roller bearing provided in the prior art after a sealing surface and a sealing ring are assembled;
FIG. 2 is a schematic structural diagram of a spherical roller bearing according to an embodiment of the present invention after assembling a sealing surface and a sealing ring;
FIG. 3 is a partial cross-sectional view of an embodiment of a spherical roller bearing provided by the present invention;
FIG. 4 is a schematic view of the seal face of FIG. 3;
Fig. 5 is a schematic view of the outer diameter of the bearing inner race of fig. 3.
In fig. 1-5:
01 is a press seal, 1 is a bearing inner ring, 11 is a roller track, 12 is a sealing surface, 2 is a bearing outer ring, 21 is a seal ring mounting groove, 3 is a bearing roller, 4 is a bearing retainer, 5 is a retainer ring, 6 is a seal ring, 61 is a mounting framework, 62 is a sealing part, 621 is an upper seal lip, 622 is a lower seal lip, 7 is an outer retainer ring, 8 is a special-shaped grinding wheel, a is the position of the seal ring when the aligning angle is 0, b is the position of the seal ring under the positive limit aligning angle, c is the position of the seal ring under the limit aligning angle, R is the curvature radius at the non-aligning position, R1 is the curvature radius at the positive limit aligning position, and R2 is the curvature radius at the negative limit aligning position.
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.
The spherical roller bearing has the core that the sealing surface of the sealing ring is arranged on the inner ring of the bearing, so that the sealing effect of the bearing in the angle range allowing for aligning is effectively ensured.
Referring to fig. 1 to 5, fig. 1 is a schematic structural view illustrating a spherical roller bearing according to the prior art after a sealing surface and a sealing ring are assembled; FIG. 2 is a schematic structural diagram of a spherical roller bearing according to an embodiment of the present invention after assembling a sealing surface and a sealing ring; FIG. 3 is a partial cross-sectional view of an embodiment of a spherical roller bearing provided by the present invention; FIG. 4 is a schematic view of the seal face of FIG. 3; fig. 5 is a schematic view of the outer diameter of the bearing inner race of fig. 3.
The invention provides a spherical roller bearing, which comprises a bearing outer ring 2, a bearing inner ring 1, a bearing roller 3 and a sealing ring 6 for preventing lubricating grease from leaking, wherein the bearing inner ring 1 is provided with a roller track 11 for mounting the bearing roller 3, the sealing ring 6 comprises a mounting framework 61 connected with the bearing outer ring 2 and a sealing part 62 abutted against the bearing inner ring 1, the mounting framework 61 is connected with the sealing part 62, and the sealing part 62 is an elastic piece; the sealing surface 12 of the bearing inner ring 1 for contacting the sealing part 62 is a spherical surface, the center of the spherical surface is the intersection point of the axis of the bearing inner ring 1 and the radial center line, and the radius of the spherical surface is the distance from the center of the spherical surface to one end of the roller track 11 far away from the radial center line.
The bearing inner ring 1 and the bearing outer ring 2 are respectively provided with a track for mounting the bearing rollers 3, please refer to fig. 1, since the number of the bearing rollers 3 is two, the number of the roller tracks 11 on the bearing inner ring 1 is two, and the two roller tracks 11 are provided with retaining rings 5 for separating the two rows of the bearing rollers 3.
The bearing retainer 4 wraps all or part of the bearing rollers 3 and can rotate along with the bearing rollers 3 to isolate the bearing rollers 3 and guide the movement of the bearing rollers 3 to ensure that the bearing rollers are positioned in the bearing.
The bearing is generally lubricated with grease, and a seal ring 6 needs to be provided on the outer edge of the bearing in order to prevent the grease from leaking.
The seal ring 6 is mounted on the bearing outer ring 2 through the mounting framework 61 and is abutted against the bearing inner ring 1 through the sealing part 62, so that the bearing roller 3 is sealed, and the leakage of lubricating grease is avoided.
The mounting frame 61 is mainly used for fixing the position of the sealing ring 6, and the sealing part 62 is an elastic part and mainly plays a role in sealing. Preferably, the mounting frame 61 may be a stamped metal frame, and the sealing portion 62 may be a rubber sealing ring, wherein the sealing portion 62 may be made of a rubber material such as nitrile rubber or silicone rubber.
Preferably, a seal ring mounting groove 21 for placing the mounting frame 61 may be provided on the bearing outer ring 2, and the mounting frame 61 may be engaged with the seal ring mounting groove 21.
Referring to fig. 3, the seal ring mounting groove 21 is an annular groove, and the cross-sectional shape of the seal ring mounting groove 21 is adapted to the shape of the mounting frame 61.
The sealing surface 12 of the bearing inner ring 1 for contacting the sealing part 62 is a spherical surface, the center of the spherical surface is the intersection point of the axis of the bearing inner ring 1 and the radial center line, and the radius of the spherical surface is the distance from the center of the spherical surface to one end of the roller track 11 far away from the radial center line.
Referring to fig. 4, when the bearing inner ring 1 and the bearing outer ring 2 are parallel, the aligning angle between the two is 0 °, the sealing portion 62 is located at a position a on the sealing surface 12, and R is the curvature radius at the non-aligning position; when the bearing inner ring 1 and the bearing outer ring 2 are in a positive limit aligning state, the sealing part 62 is positioned at a position b on the sealing surface 12, and R1 is a curvature radius at the positive limit aligning position; when the bearing inner ring 1 and the bearing outer ring 2 are in the negative limit aligning state, the sealing portion 62 is located at the position c on the sealing surface 12, and R2 is the curvature radius at the negative limit aligning position.
Since the sealing surface 12 is a spherical surface in the present embodiment, R1 ═ R2, the interference of the sealing portion 62 is kept consistent and the friction is kept consistent within the range allowed by the aligning angle, thereby effectively ensuring consistent sealing effect in the aligning angle of the bearing and avoiding the problem of extrusion deformation of the sealing arc surface of the press seal 01 when the aligning angle changes in the prior art.
Meanwhile, the friction torque M is determined by the friction force F and the friction force arm L, the torque on the sealing surface 12 is the distance from the axis of the bearing inner ring 1 to the sealing surface, and compared with a sealing arc surface on the existing stamping sealing element 01, the height of the sealing surface 12 is reduced, so that the friction force arm is reduced, the friction torque is reduced, and the possibility of failure of the sealing ring 6 due to external reasons is reduced.
In addition, the spherical roller bearing provided by the embodiment has a simple structure and is convenient to assemble.
Preferably, when the sealing portion 62 is located at the edge of the sealing surface 12, the aligning angle between the bearing inner ring 1 and the bearing outer ring 2 is 1.5 ° to 2.5 ° in consideration of the structural strength requirement of the bearing inner ring 1, so that the bearing has the aligning angle range of ± 1.5 ° to ± 2.5 °, and the phenomenon that the structural strength of the bearing inner ring 1 is too low due to excessive grinding, and the bearing inner ring is easily broken in the working process is avoided.
Preferably, when the sealing portion 62 is located at the edge of the sealing surface 12, the aligning angle between the bearing inner ring 1 and the bearing outer ring 2 is set to 2 °, the bearing can be aligned in a range from-2 ° to +2 °, the aligning angle range is large, and the structural strength of the bearing inner ring 1 can be ensured.
On the basis of the above embodiment, in order to realize the connection between the mounting framework 61 and the sealing part 62, the sealing part 62 may include two upper sealing lips 621, and the distance between the two upper sealing lips 621 is equal to the width of the mounting framework 61, so as to clamp the mounting framework 61.
Preferably, in order to obtain a good sealing effect, the sealing portion 62 may comprise at least one lower sealing lip 622 for abutment against the sealing surface 12.
the specific number of the lower sealing lips 622 needs to be determined according to the rotation speed of the bearing and other factors, and the higher the rotation speed of the bearing is, the smaller the number of the lower sealing lips 622 is.
Preferably, referring to fig. 3, the number of the lower seal lips 622 may be three, and the bottom surface of the lower seal lip 622 relatively far from the bearing roller 3 and the bottom surface of the lower seal lip 622 relatively close to the bearing roller 3 are both wedge-shaped, so as to enhance the friction force between the seal ring 6 and the seal surface 12 and obtain a good sealing effect.
preferably, the opening direction of the wedge-shaped bottom surface of the lower seal lip 622 relatively distant from the bearing roller 3 may be set different from that of the lower seal lip 622 relatively close to the bearing roller 3.
On the basis of the above embodiment, when considering that the bearing is used under the adverse operating condition environment, the particulate matter that splashes can produce the impact to installation framework 61 and sealing part 62, can also include outer retaining ring 7 of installing on bearing inner race 1, and outer retaining ring 7 is including the spherical cambered surface that is used for preventing the particulate matter that splashes, and is close to spherical cambered surface's last sealing lip 621 and spherical cambered surface butt relatively, prevents that the particulate matter from deposiing in the middle of outer retaining ring 7 and sealing washer 6 position.
In addition to the above embodiments, the roller track 11 and the sealing surface 12 may be integrally ground surfaces formed by machining with the grinding wheel 8 to improve the accuracy of the coaxiality of the sealing surface 12 and the roller track 11.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The spherical roller bearing provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. the spherical roller bearing comprises a bearing outer ring (2), a bearing inner ring (1), a bearing roller (3) and a sealing ring (6) for preventing lubricating grease from leaking outwards, wherein a roller track (11) for installing the bearing roller (3) is arranged on the bearing inner ring (1), the spherical roller bearing is characterized in that the sealing ring (6) comprises an installation framework (61) connected with the bearing outer ring (2) and a sealing part (62) abutted against the bearing inner ring (1), the installation framework (61) is connected with the sealing part (62), and the sealing part (62) is an elastic piece;
The sealing surface (12) of the bearing inner ring (1) for contacting with the sealing part (62) is a spherical surface, the circle center of the spherical surface is the intersection point of the axis of the bearing inner ring (1) and a radial central line, and the radius of the spherical surface is the distance from the circle center to one end, away from the radial central line, of the roller track (11).
2. Spherical roller bearing according to claim 1, characterized in that the self-aligning angle of the bearing inner ring (1) to the bearing outer ring (2) is 1.5 ° to 2.5 ° when the sealing portion (62) is located at the edge of the sealing surface (12).
3. The spherical roller bearing according to claim 1, wherein a seal ring mounting groove (21) for mounting the mounting frame (61) is formed in the bearing outer ring (2), and the mounting frame (61) is clamped in the seal ring mounting groove (21).
4. Spherical roller bearing according to claim 3, characterized in that the sealing portion (62) comprises two upper sealing lips (621), the distance between the two upper sealing lips (621) being equal to the width of the mounting skeleton (61) in order to snap-fit the mounting skeleton (61).
5. Spherical roller bearing according to claim 3, characterized in that the sealing portion (62) comprises at least one lower sealing lip (622) for abutment with the sealing surface (12).
6. The spherical roller bearing according to claim 5, wherein the number of the lower seal lips (622) is three, and a bottom surface of the lower seal lip (622) relatively distant from the bearing roller (3) and a bottom surface of the lower seal lip (622) relatively close to the bearing roller (3) are both wedge-shaped.
7. Spherical roller bearing according to any of claims 4 to 6, characterized in that it further comprises an outer retainer ring (7) mounted on the bearing inner ring (1), the outer retainer ring (7) comprising a spherical arc surface for preventing splashing particulate matter, and an upper sealing lip (621) relatively close to the spherical arc surface abuts the spherical arc surface.
8. Spherical roller bearing according to claim 7, characterized in that the mounting skeleton (61) is a stamped metal skeleton and the sealing part (62) is a rubber sealing ring.
9. Spherical roller bearing according to claim 8, characterized in that the roller track (11) and the sealing surface (12) are integrally ground surfaces machined by means of a profiled grinding wheel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949404.8A CN110566578A (en) | 2019-10-08 | 2019-10-08 | Spherical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949404.8A CN110566578A (en) | 2019-10-08 | 2019-10-08 | Spherical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566578A true CN110566578A (en) | 2019-12-13 |
Family
ID=68784003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910949404.8A Pending CN110566578A (en) | 2019-10-08 | 2019-10-08 | Spherical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607699A (en) * | 2022-04-01 | 2022-06-10 | 福建福山轴承有限公司 | Rotary self-aligning roller bearing |
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|---|---|---|---|---|
| CN201925341U (en) * | 2010-12-31 | 2011-08-10 | 尹建 | Constant diameter sealing single-row axial thrust compact type aligning roller bearing special for concrete mixer vehicle |
| CN204025321U (en) * | 2014-06-23 | 2014-12-17 | 泛科轴承集团有限公司 | Special multi-sealed roller bearing units |
| CN104329376A (en) * | 2014-10-30 | 2015-02-04 | 江苏帝达贝轴承有限公司 | Sealing self-aligning roller bearing |
| CN205226095U (en) * | 2015-12-21 | 2016-05-11 | 上海泰耐轴承有限公司 | Single face canned type tapered roller bearing |
| JP2017137932A (en) * | 2016-02-03 | 2017-08-10 | 日本精工株式会社 | Self-aligning roller bearing |
| CN108626242A (en) * | 2018-07-16 | 2018-10-09 | 洛阳Lyc轴承有限公司 | A kind of self-aligning roller bearing of double-sided tape sealing |
| CN109281933A (en) * | 2018-11-06 | 2019-01-29 | 西北轴承有限公司 | A kind of self-sealing self-aligning roller bearing |
| CN210661049U (en) * | 2019-10-08 | 2020-06-02 | 福建福山轴承有限公司 | Spherical roller bearing |
-
2019
- 2019-10-08 CN CN201910949404.8A patent/CN110566578A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201925341U (en) * | 2010-12-31 | 2011-08-10 | 尹建 | Constant diameter sealing single-row axial thrust compact type aligning roller bearing special for concrete mixer vehicle |
| CN204025321U (en) * | 2014-06-23 | 2014-12-17 | 泛科轴承集团有限公司 | Special multi-sealed roller bearing units |
| CN104329376A (en) * | 2014-10-30 | 2015-02-04 | 江苏帝达贝轴承有限公司 | Sealing self-aligning roller bearing |
| CN205226095U (en) * | 2015-12-21 | 2016-05-11 | 上海泰耐轴承有限公司 | Single face canned type tapered roller bearing |
| JP2017137932A (en) * | 2016-02-03 | 2017-08-10 | 日本精工株式会社 | Self-aligning roller bearing |
| CN108626242A (en) * | 2018-07-16 | 2018-10-09 | 洛阳Lyc轴承有限公司 | A kind of self-aligning roller bearing of double-sided tape sealing |
| CN109281933A (en) * | 2018-11-06 | 2019-01-29 | 西北轴承有限公司 | A kind of self-sealing self-aligning roller bearing |
| CN210661049U (en) * | 2019-10-08 | 2020-06-02 | 福建福山轴承有限公司 | Spherical roller bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607699A (en) * | 2022-04-01 | 2022-06-10 | 福建福山轴承有限公司 | Rotary self-aligning roller bearing |
| CN114607699B (en) * | 2022-04-01 | 2024-06-25 | 福建福山轴承有限公司 | Rotary self-aligning roller bearing |
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