CN210509954U - Four-point contact ball bearing - Google Patents
Four-point contact ball bearing Download PDFInfo
- Publication number
- CN210509954U CN210509954U CN201921664764.5U CN201921664764U CN210509954U CN 210509954 U CN210509954 U CN 210509954U CN 201921664764 U CN201921664764 U CN 201921664764U CN 210509954 U CN210509954 U CN 210509954U
- Authority
- CN
- China
- Prior art keywords
- terminal surface
- face
- ball bearing
- point contact
- contact ball
- 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.)
- Active
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a four-point contact ball bearing, including outer lane and inner circle, movable mounting has a plurality of balls between outer lane and the inner circle, be equipped with the ring flange on the outer periphery of outer lane, ring flange and outer lane fixed connection, the ring flange includes first terminal surface and second terminal surface, the outer lane includes third terminal surface and fourth terminal surface, first terminal surface is close to the third terminal surface, the second terminal surface is close to the fourth terminal surface, the ring flange is located between the extension face of third terminal surface and the extension face of fourth terminal surface, there is certain clearance between the extension face of first terminal surface and third terminal surface, there is certain clearance between the extension face of second terminal surface and fourth terminal surface. The gap between the second end face and the fourth end face prevents impurities between the second end face and the mounting face from influencing the mounting precision of the flange plate, and further improves the mounting precision of the four-point contact ball bearing.
Description
Technical Field
The utility model belongs to the technical field of the bearing, in particular to four point contact ball bearing.
Background
When the four-point contact ball bearing is installed, an auxiliary part (for example, a bearing seat) is mostly adopted for auxiliary installation, but when the auxiliary part is not available or the installation space of the four-point contact ball bearing is small, the installation difficulty of the four-point contact ball bearing is increased.
In view of the above situation, the four-point contact ball bearing can be mounted by arranging the flange integrally formed with the outer ring on the outer circumferential surface of the outer ring and fixedly connecting the flange with a mounting surface through a plurality of bolts, and by adopting the method, the problem that the mounting difficulty of the four-point contact ball bearing is high when no auxiliary part is available or the mounting space of the four-point contact ball bearing is small can be solved, but the method still has the following defects: when the flange plate is fixedly installed on the installation surface, one end face of the flange plate is in contact with the installation surface, then the flange plate is fixedly connected with the installation surface through a plurality of bolts, in the process, impurities exist between the end face of the flange plate and the installation surface, the installation accuracy of the flange plate is reduced due to the impurities, and further the installation accuracy of the four-point contact ball bearing is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, when installing four point contact ball bearing, earlier with fourth terminal surface and installation face contact, then with ring flange and installation face fixed connection through a plurality of bolts, because there is certain clearance between second terminal surface and the fourth terminal surface, consequently also can have certain clearance between second terminal surface and the installation face, the existence in clearance between second terminal surface and the installation face has prevented the influence of impurity between second terminal surface and the installation face to ring flange installation accuracy, and then has improved four point contact ball bearing's installation accuracy.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a four-point contact ball bearing, includes outer lane and inner circle, the outer lane with movable mounting has a plurality of balls between the inner circle, be equipped with the ring flange on the outer periphery of outer lane, the ring flange with outer lane fixed connection, the ring flange includes first terminal surface and second terminal surface, the outer lane includes third terminal surface and fourth terminal surface, first terminal surface is close to the third terminal surface, the second terminal surface is close to the fourth terminal surface, the ring flange is located the extension face of third terminal surface with between the extension face of fourth terminal surface, first terminal surface with there is certain clearance between the extension face of third terminal surface, the second terminal surface with there is certain clearance between the extension face of fourth terminal surface.
Preferably, the central axis of the flange coincides with the central axis of the outer ring, and the distance between the second end face and the extension face of the fourth end face is 0.6 mm.
Preferably, the contact angle of the four-point contact ball bearing is 35 °.
Preferably, sealing rings are arranged on two sides of the ball between the outer ring and the inner ring, and a ball working cavity is formed between the inner surface of the outer ring, the outer surface of the inner ring and the two sealing rings.
Preferably, the flange plate and the outer ring are of an integrally formed structure.
The utility model has the advantages that:
1) when the four-point contact ball bearing is installed, the fourth end face is firstly contacted with the installation face, then the flange plate is fixedly connected with the installation face through the bolts, and a certain gap exists between the second end face and the fourth end face, so that a certain gap also exists between the second end face and the installation face, and the gap exists between the second end face and the installation face, so that the influence of impurities between the second end face and the installation face on the installation accuracy of the flange plate is prevented, and the installation accuracy of the four-point contact ball bearing is further improved.
2) The distance between the extension surfaces of the second end surface and the fourth end surface is set to be 0.6mm, and the distance of 0.6mm can prevent impurities between the second end surface and the mounting surface from influencing the mounting precision of the flange plate and prevent the flange plate from generating large deformation.
3) The contact angle is set to 35 degrees, so that the four-point contact ball bearing can bear high axial load and high radial load.
4) The arrangement of the ball working cavity facilitates the lubrication of the ball.
5) The flange plate and the outer ring are integrally formed, so that the production cost of the four-point contact ball bearing is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a four-point contact ball bearing according to the present invention;
fig. 2 is a cross-sectional view of a four-point contact ball bearing of the present invention;
fig. 3 is a partially enlarged view of a portion a of fig. 2.
In the figure: 1. a flange plate; 11. a first end face; 12. a second end face; 13. mounting holes; 2. an avoidance groove; 3. an outer ring; 31. a third end face; 32. a fourth end face; 4. a seal ring; 5. a holder; 6. a ball bearing; 7. an inner ring; 8. a ball working chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-3, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a four-point contact ball bearing.
The utility model provides a four point contact ball bearing, including outer lane 3 and inner circle 7, movable mounting has a plurality of balls 6 between outer lane 3 and the inner circle 7, be equipped with ring flange 1 on the outer peripheral face of outer lane 3, ring flange 1 and 3 fixed connection in outer lane, ring flange 1 includes first terminal surface 11 and second terminal surface 12, outer lane 3 includes third terminal surface 31 and fourth terminal surface 32, first terminal surface 11 is close to third terminal surface 31, second terminal surface 12 is close to fourth terminal surface 32, ring flange 1 is located between the extension face of third terminal surface 31 and the extension face of fourth terminal surface 32, there is certain clearance between the extension face of first terminal surface 11 and third terminal surface 31, there is certain clearance between the extension face of second terminal surface 12 and fourth terminal surface 32.
In the technical scheme provided by the application, when the four-point contact ball bearing is installed, the fourth end face 32 is firstly contacted with an installation face (not shown), then the flange plate 1 is fixedly connected with the installation face through a plurality of bolts (not shown), and a certain gap exists between the second end face 12 and the fourth end face 32, so that a certain gap also exists between the second end face 12 and the installation face, and the gap exists between the second end face 12 and the installation face, so that the influence of impurities between the second end face 12 and the installation face on the installation accuracy of the flange plate 1 is prevented, and the installation accuracy of the four-point contact ball bearing is further improved.
The central axis of the flange plate 1 coincides with the central axis of the outer ring 3, and the distance between the second end surface 12 and the extension surface of the fourth end surface 32 is 0.6 mm. The distance of 0.6mm can prevent the impurities between the second end face 12 and the mounting face from influencing the mounting precision of the flange plate 1 and prevent the flange plate 1 from generating large deformation.
The contact angle of the four-point contact ball bearing is 35 degrees. The contact angle is set to 35 degrees, so that the four-point contact ball bearing can bear high axial load and high radial load.
And sealing rings 4 are arranged on two sides of the ball 6 between the outer ring 3 and the inner ring 7, and a ball working cavity 8 is formed between the inner surface of the outer ring 3, the outer surface of the inner ring 7 and the two sealing rings 4. The provision of the ball working chamber 8 facilitates lubrication of the balls 6.
The flange plate 1 and the outer ring 3 are of an integrally formed structure. The flange plate 1 and the outer ring 3 are integrally formed, so that the production cost of the four-point contact ball bearing is reduced.
The four-point contact ball bearing further comprises a retainer 5, a plurality of balls 6 are connected through the retainer 5, a plurality of mounting holes 13 are formed in the flange, and an avoiding groove 2 is formed in the joint of the flange 1 and the outer ring 3.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. The utility model provides a four-point contact ball bearing, includes outer lane and inner circle, the outer lane with movable mounting has a plurality of balls between the inner circle, be equipped with the ring flange on the outer periphery of outer lane, the ring flange with outer lane fixed connection, the ring flange includes first terminal surface and second terminal surface, the outer lane includes third terminal surface and fourth terminal surface, first terminal surface is close to the third terminal surface, the second terminal surface is close to the fourth terminal surface, the ring flange is located the extension face of third terminal surface with between the extension face of fourth terminal surface, first terminal surface with there is certain clearance between the extension face of third terminal surface, a serial communication port, the second terminal surface with there is certain clearance between the extension face of fourth terminal surface.
2. The four-point contact ball bearing according to claim 1, wherein the central axis of the flange coincides with the central axis of the outer ring, and the distance between the second end surface and the extended surface of the fourth end surface is 0.6 mm.
3. The four-point contact ball bearing according to claim 2, wherein the four-point contact ball bearing has a contact angle of 35 °.
4. The four-point contact ball bearing according to claim 3, wherein a seal ring is disposed between the outer ring and the inner ring on both sides of the ball, and a ball working chamber is formed between the inner surface of the outer ring, the outer surface of the inner ring, and the two seal rings.
5. The four-point contact ball bearing of claim 4, wherein the flange and the outer race are of an integrally formed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664764.5U CN210509954U (en) | 2019-09-30 | 2019-09-30 | Four-point contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921664764.5U CN210509954U (en) | 2019-09-30 | 2019-09-30 | Four-point contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509954U true CN210509954U (en) | 2020-05-12 |
Family
ID=70572471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921664764.5U Active CN210509954U (en) | 2019-09-30 | 2019-09-30 | Four-point contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509954U (en) |
-
2019
- 2019-09-30 CN CN201921664764.5U patent/CN210509954U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214304846U (en) | Miniature angular contact ball bearing with dust cover | |
| CN210509954U (en) | Four-point contact ball bearing | |
| CN216241833U (en) | High-precision tapered roller bearing ring for printing machine | |
| CN210769835U (en) | High-precision cross cylindrical roller bearing for industrial robot | |
| CN212003987U (en) | Crimping type bearing sealing ring | |
| CN214698826U (en) | Special deep groove ball bearing | |
| CN211715536U (en) | Three-row column type slewing bearing with labyrinth seal structure | |
| CN210949528U (en) | Double-retainer ring sealing type cylindrical roller bearing | |
| CN112610600A (en) | Self-aligning roller bearing with adjustable clearance | |
| CN215673166U (en) | Self-sealing full complement cylindrical roller bearing | |
| CN213575216U (en) | Bearing lubricating and sealing device | |
| CN217044628U (en) | High-precision live center | |
| CN218377312U (en) | Sleeve type tandem thrust cylindrical roller bearing | |
| CN220706230U (en) | Single-side radial sealing bearing for rolling mill | |
| CN219888527U (en) | Dustproof roller | |
| CN201751635U (en) | Multi-lip composite dust-proof cover and bearing sealing structure | |
| CN211501311U (en) | Deep groove ball bearing with single-side dustproof retainer | |
| CN217381291U (en) | Integral cross roller bearing | |
| CN219755128U (en) | Double-lip bearing sealing ring with exhaust holes | |
| CN218670040U (en) | Cylinder cover for hydraulic cylinder of aluminothermic rolling mill | |
| CN214367316U (en) | Long lip rolling mill bearing with self-locking seal | |
| CN209838975U (en) | Composite sealing structure of rotary support | |
| CN217152808U (en) | Elevator buffer | |
| CN214787685U (en) | Novel triangular rotor piston structure and triangular rotor engine | |
| CN216519232U (en) | Super-huge thin-wall four-point contact ball bearing with sealing retainer ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |