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Thrust ball bearing

A technology for thrust ball bearings and shaft rings, applied in the field of thrust ball bearings, can solve problems such as high processing costs, inability to bear radial loads, and complex structures, and achieve the effects of simple structure, reduced number of components, and reduced processing costs

Inactive Publication Date: 2016-10-05
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The structure is more complicated. In order to meet the self-aligning function, another part needs to be processed: the washer
Moreover, spherical surfaces need to be processed on the opposite surfaces of the gasket and the seat ring, and the processing cost is high; in addition, the contact angle of the bearing is 90 degrees, which cannot bear radial loads, but can only bear pure axial loads

Method used

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  • Thrust ball bearing
  • Thrust ball bearing

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Embodiment Construction

[0015] like figure 2 As shown, the thrust ball bearing of the present invention includes a raceway 10 , a shaft washer 20 , several rolling balls 30 located between the raceway 10 and the shaft washer 20 , and a cage 40 . The shaft ring 20 is tightly fitted with the shaft (not shown), and can rotate around the rotation axis A of the bearing together with the shaft.

[0016] The shaft ring 20 is provided with a first raceway 22 in contact with the rolling ball 30, the first raceway 22 is an arc surface, and the radius of the first raceway 22 is slightly larger than the radius of the rolling ball 30, which can reduce the frictional force between the rolling ball 30 and the first raceway 22 . The raceway 10 is provided with a second raceway 12 in contact with the rolling balls 30 , the second raceway 12 has a spherical surface, and the center of the spherical surface is located on the axis A of rotation. In this way, if the shaft cannot be centered due to machining errors, or ...

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PUM

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Abstract

The invention discloses a thrust ball bearing. The thrust ball bearing comprises a shaft washer, a housing washer, a plurality of rolling balls and a retainer, wherein the plurality of rolling balls are located between the shaft washer and the housing washer; a first raceway in contact with the rolling balls is disposed on the shaft washer; a second raceway in contact with the rolling balls is disposed on the housing washer; and the second raceway is spherical and the center of the sphere is located on the rotation axis A of the bearing, and thus the center adjusting function of the bearing can be realized under the condition of a simplified structure and the non-centring of a shaft is adapted.

Description

technical field [0001] The invention relates to the technical field of bearings, in particular to a thrust ball bearing with self-aligning function. Background technique [0002] Thrust ball bearings are generally suitable for parts that bear axial load on one side and have low speed, such as crane hooks, vertical water pumps, vertical centrifuges, jacks, low-speed reducers, etc. In addition, the parts of the thrust ball bearing are separated and can be assembled and disassembled separately. [0003] like figure 1 As shown, an existing thrust ball bearing includes a seat ring 1 , a shaft ring 2 , rolling balls 3 , and a cage 4 . Wherein, the shaft ring 2 is in tight fit with the shaft (not shown), and rotates with the rotation of the shaft; the axially outer end surface 11 of the seat ring 1 is at least partly set as a circumferential spherical surface. In order to realize the self-aligning function of this kind of thrust ball bearing, it needs to be equipped with a washe...

Claims

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Application Information

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IPC IPC(8): F16C19/12F16C33/58F16C33/38
Inventor 王卫峰张雅宁
Owner SCHAEFFLER TECH AG & CO KG