Axial-radial large-load ball bearing
By designing a ball bearing with large axial and radial loads, the problem of weak axial load capacity of ball bearings under high loads was solved, achieving stable operation and extended service life under low-speed and heavy-load conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-07
AI Technical Summary
Ball bearings have weak axial load capacity under heavy loads. When rotating at low speeds, the steel balls are displaced outward by centrifugal force, which increases the contact stress of the inner ring. Frictional heat accumulation leads to lubrication failure, and the cage vibration intensifies, which may cause it to break, especially at high temperatures.
Design a ball bearing with high axial and radial loads, including an outer ring, an outer retaining ring, a cage, and an inner ring. The outer ring has an outer raceway on its inner circumferential surface, the cage has a multi-row pocket assembly, and the inner ring has an inner raceway on its outer circumferential surface. The components are connected by hexagon socket head cap screws to form an integral assembly, ensuring that the contact point between the steel balls and the inner ring can be moved to the corresponding position, thereby enhancing the axial load capacity.
It improves the axial load capacity of ball bearings, making them suitable for low-speed, heavy-load conditions, reducing energy loss, extending service life, and meeting the needs of radial rotation and axial movement.
Smart Images
Figure CN224093691U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bearing technology, specifically to a ball bearing with large axial and radial loads. Background Technology
[0002] Ball bearings are a common type of rolling bearing that uses spherical rolling elements (steel balls) to reduce friction between rotating parts and support radial and axial loads. Their core design utilizes the rolling motion of the balls to replace sliding friction, significantly improving mechanical efficiency and service life.
[0003] However, under heavy loads, ball bearings have weak axial load-carrying capacity. At low speeds, the steel balls are displaced outward by centrifugal force, leading to a sharp increase in contact stress in the inner ring and slippage in the outer ring. This intensifies cage vibration (potentially causing breakage, especially at high temperatures). Frictional heat accumulation leads to lubrication failure (grease carbonization or base oil evaporation). Utility Model Content
[0004] In view of the deficiencies of the prior art, this utility model provides a ball bearing with large axial and radial loads, which is suitable for low speed and heavy loads, improves the axial load capacity of the ball bearing, and satisfies the bearing movement while rotating radially. When the inner and outer rings are aligned, the contact point between the outermost steel ball and the inner ring can be moved to the corresponding straight end position of the inner ring on the opposite side.
[0005] To achieve the above objectives, the present invention provides a radially heavy-load ball bearing, comprising an outer ring, an outer retaining ring, a cage, and an inner ring; an outer raceway is provided on the inner circumferential surface of the outer ring; the outer retaining ring is operably associated with the outer ring; the cage is provided with at least ten rows of pockets, the pockets in each row of pockets being arranged in a circular array around the axis of the cage, and a steel ball is provided in each pocket; an inner raceway is provided on the outer circumferential surface of the inner ring.
[0006] Furthermore, one end of the outer ring is provided with a retaining edge, and the other end of the outer ring is threadedly connected to the outer retaining ring.
[0007] Furthermore, one end face of the retainer contacts the outer retaining ring, or the other end face of the retainer contacts the retaining edge.
[0008] Furthermore, the other end of the outer ring is provided with eight threaded holes, which are evenly distributed in a ring.
[0009] Furthermore, the outer retaining ring is provided with light holes and grooves, and there are eight light holes and grooves. The eight light holes and grooves are evenly distributed in a ring, and the light holes and grooves are provided corresponding to the threaded holes.
[0010] Furthermore, the internal hexagon screws are used to engage with the countersunk groove, the smooth hole, and the threaded hole.
[0011] Furthermore, the pocket group is provided with at least 50 pockets, and the pockets are of the lower pocket type structure.
[0012] The beneficial effects of this utility model are as follows: The ball bearing structure of this application is compact and can withstand large radial and axial loads at the same time, which significantly improves the load-bearing capacity. It is suitable for a variety of complex stress scenarios, reduces energy loss, improves mechanical efficiency, and extends service life. It can rotate radially while satisfying axial movement. When the inner and outer rings are aligned, the contact point between the outermost steel ball and the inner ring can be moved to the corresponding straight end position of the inner ring on the opposite side. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a diagram showing the usage state of this utility model;
[0015] Figure 3 This is a schematic diagram of the structure of the retainer of this utility model;
[0016] Figure 4 for Figure 1 Enlarged view of a portion at point A;
[0017] In the diagram: 100, outer ring; 120, threaded hole.
[0018] 200, outer retaining ring; 210, clear aperture; 220, countersunk groove.
[0019] 300. Cage; 310. Pocket;
[0020] 400, Inner Circle
[0021] 500, steel ball,
[0022] 600, internal hex screw. Detailed Implementation
[0023] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0024] like Figure 1-4As shown, one embodiment of this utility model discloses a radially heavy-load ball bearing, including an outer ring 100, an outer retaining ring 200, a cage 300, and an inner ring 400; the outer ring 100 has an outer raceway on its inner circumferential surface; the outer retaining ring 200 is operably associated with the outer ring 100; the cage 300 has at least ten rows of pockets 310, each row of pockets 310 being arranged in a ring array around the axis of the cage 300, and each pocket 310 containing a steel ball 500; the inner ring 400 has an inner raceway on its outer circumferential surface, and both the inner and outer raceways are straight raceways.
[0025] It should be noted that the ball bearing of this application is suitable for low-speed heavy-load conditions where bearing displacement is required. Therefore, the design uses a large number of 500 steel balls and the inner ring 400 has no flange.
[0026] In one embodiment, one end of the outer ring is provided with a retaining flange, and the other end of the outer ring is threadedly connected to the outer retaining ring.
[0027] In one embodiment, one end face of the retainer contacts the outer retaining ring or the other end face of the retainer contacts the retaining edge.
[0028] In one embodiment, the other end of the outer ring 100 is provided with eight threaded holes 120, which are evenly distributed in a ring.
[0029] In one embodiment, the outer retaining ring 200 is provided with a light hole 210 and a groove 220. There are eight light holes 210 and eight grooves 220, which are evenly distributed in a ring. The light holes 210 and grooves 220 are corresponding to the threaded hole 120.
[0030] In one embodiment, the internal hexagon screw 600 passes through the countersunk groove 220, the clear hole 210 and the threaded hole 120 to engage with each other. After the internal hexagon screw 600 is installed, it forms an integral outer component, and the steel ball 500 and the cage 300 will not fall apart.
[0031] It should be noted that the retaining ring has a countersunk groove 220, and the socket head cap screw 600 is inserted into this countersunk groove 220 to avoid interference between the bearing and the equipment.
[0032] In one embodiment, the pocket 310 group is provided with 80 pockets 310, and the pockets 310 are of the lower pocket type structure, so that the retainer 300 and its steel ball 500 will not fall off when the inner ring 400 moves axially.
[0033] It should be noted that in the above-mentioned type of radial high load ball bearing, the inner ring 400 is fixed to the shaft of the equipment, and the outer component is fixed to the outer casing of the equipment.
[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.
Claims
1. A type of radially heavy-load ball bearing, characterized in that: include The outer ring and the inner circumference surface are provided with outer raceways; An outer retaining ring, operatively associated with the outer ring; The cage is provided with at least ten rows of pockets, the pockets of each row of pockets being arranged in a circular array around the axis of the cage, and each pocket containing a steel ball; The inner ring and the outer circumference are provided with inner raceways.
2. The axial and radial high-load ball bearing according to claim 1, characterized in that: One end of the outer ring is provided with a retaining edge, and the other end of the outer ring is threadedly connected to the outer retaining ring.
3. A radially heavy-load ball bearing according to claim 2, characterized in that: One end face of the retainer is in contact with the outer retaining ring, or the other end face of the retainer is in contact with the retaining edge.
4. A radially heavy-load ball bearing according to claim 1 or 2, characterized in that: The other end of the outer ring is provided with eight threaded holes, which are evenly distributed in a ring.
5. A radially heavy-load ball bearing according to claim 4, characterized in that: The outer retaining ring is provided with light holes and grooves, and there are eight light holes and grooves. The eight light holes and grooves are evenly distributed in a ring, and the light holes and grooves are provided corresponding to the threaded holes.
6. A radially heavy load ball bearing according to claim 5, characterized in that: The internal hex screw passes through the countersunk groove, the smooth hole, and the threaded hole to engage.
7. A radially heavy-load ball bearing according to claim 1, characterized in that: Each column of the pocket group is provided with at least 50 pockets, and the pockets are of the bottom pocket type structure.