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Rolling-element bearing with line contact including a lubricant channel

A technology for rolling bearings and lubricants, applied in the field of rolling bearings, can solve the problems of less needle roller support and insufficient supply of lubricants, etc.

Inactive Publication Date: 2016-01-27
AB SKF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this prior art has the disadvantage that the needle rollers are only less supported in the sharply narrowed area
In addition, a certain area of ​​the needle roller is always covered by the bearing bearing point, so that in this case only the covered area can only be supplied with lubricant insufficiently

Method used

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  • Rolling-element bearing with line contact including a lubricant channel
  • Rolling-element bearing with line contact including a lubricant channel
  • Rolling-element bearing with line contact including a lubricant channel

Examples

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Embodiment Construction

[0018] FIG. 1 schematically shows various views of an inner part 2 of a rolling bearing 1 with linear contact, which is arranged on a shaft 4 for better illustration. Rolling bearings with linear contact generally refer to rolling bearings in which, as shown in FIG. 1 , the rolling bodies 3 are in contact with the running surface represented by the inner part 2 in FIG. 1 along a line 5 . In addition, in Figure 1a is also shown in top view, while Figure 1b A radial sectional view is shown.

[0019] As also shown in FIG. 1 , lubricant channels 6 are formed on the inner part 2 , which extend over the entire width B of the inner part 2 and are designed to open towards the edges 8 , 10 of the inner part 2 . In this case, the lubricant channel 6 has a slightly helical shape, but it is also possible for the lubricant channel to be designed straight throughout. The shape can also be obtained in a simple manner during the production process if the lubricant channel is formed as a ...

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PUM

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Abstract

A rolling-element bearing (1) with line contact (5) includes a bearing outer part having a running surface, a bearing inner part (2) having a running surface (18), and at least one rolling element (3) disposed between the bearing inner part and the bearing outer part. The at least one rolling element is configured to make line contact with the running surface of the bearing outer part and with the running surface of the bearing inner part, and either or both of the bearing inner and outer parts includes at least one lubricant channel (6) that is at least partially open to the running surface (18).

Description

technical field [0001] The invention relates to a rolling bearing having a line contact with a bearing outer part and a bearing inner part, which each form an operation for at least one rolling body arranged between the bearing outer part and the bearing inner part surface, wherein the rolling elements are in contact with their running surfaces along the line during the rolling motion. Background technique [0002] Usually all rolling bearings that are not ball bearings are called rolling bearings with line contact. Examples of rolling bearings with linear contact include cylindrical roller bearings and tapered roller bearings, and radial needle roller bearings or toroidal bearings, for example. However, a disadvantage of rolling bearings with line contact is that the lubricant cannot usually be distributed over the entire length of the rolling bearing, so that too little lubricant is usually present especially in the inner region of the contact line. [0003] The prior ar...

Claims

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Application Information

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IPC IPC(8): F16C33/66F16C33/58
CPCF16C19/26F16C33/585F16C33/6681F16C2361/53
Inventor R.鲍赫E.古乔恩N.休恩
Owner AB SKF