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Novel truck hub bearing

A wheel hub bearing, truck technology, applied in the direction of bearings, bearing components, roller bearings, etc., can solve the problems of difficult grinding, large outer ring width, high equipment requirements, etc., to achieve strong adaptability, reduce grinding difficulty, and difficult Reduced effect

Inactive Publication Date: 2012-06-27
WAFANGDIAN BEARING GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general double-row truck hub is a one-piece outer ring, two-body mechanism for the inner ring, and a bearing with an integrated outer ring. The outer ring has a large width, which requires a longer grinding wheel shaft, and the grinding is difficult. In addition, the two raceways need to be ground and formed at one time. Grinding with double raceway grinding equipment has high requirements on the equipment, and in the process of use, the integrated structure of the outer ring is not very adaptable to the deflection of the shaft

Method used

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Embodiment Construction

[0009] The present invention will be described in detail below in conjunction with the drawings and embodiments.

[0010] Such as figure 1 In the new truck wheel hub bearing shown, the inner ring 6 and the outer ring 2 are two-piece structure. The outer inner diameter of the two outer rings 2 is designed with a groove, and the nylon lock ring 4 and the two outer rings 2 are interference-connected. The two inner rings 6 The spring clamp ring 5 is used to fix the connection. The rolling element 7, the inner ring 6, and the cage 3 form an assembly, which is combined with the two outer rings 2. The first seal ring 1 and the second seal ring 8 are installed on both sides, and the second seal ring 8 Install the dust cover 9 outside.

[0011] The assembly process of the new truck wheel hub bearing is as follows: put the rolling element 7 into the pocket of the cage 3, and then put it into the inner ring 6 to form the inner assembly of the cage 3, the rolling elements 7, and the inner rin...

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Abstract

A novel truck hub bearing belongs to the technical field of automobile hub bearings, and both of each inner ring and each outer ring are in two-piece structures. The inner periphery of each outer ring is provided with a groove, a nylon lock ring is in interference connection with the two outer rings, the two inner rings are fixedly connected through a spring collar, a rolling element, the inner rings and a retainer form a component to be combined with the two outer rings, a first seal ring and a second seal ring are mounted on two sides of the combination, and a dust cover is mounted outside the second seal ring. The novel truck hub bearing has the advantages that the outer rings in the two-piece structure can be ground with common equipment, excess length of a grinding wheel shaft is not needed, and grinding difficulty is reduced; similarly, difficulty in grinding of notches for the seal rings on two sides is reduced greatly; and the two-piece structure of the outer rings is more adaptive to impact of shaft defection during use of the bearing.

Description

Technical field [0001] The invention relates to a new truck wheel hub bearing and belongs to the technical field of automobile wheel hub bearings. Background technique [0002] The main function of truck wheel hub bearings is to support the load and provide precise guidance for the rotation of the wheel hub. It bears both axial and radial loads. It is a very important component. Therefore, truck wheel bearings require high bearing capacity, dust and corrosion resistance. strong ability. The general double row truck wheel hub is an integrated outer ring, a two-piece inner ring mechanism, and an integrated outer ring bearing. The outer ring has a large width and requires a longer grinding wheel shaft, which is difficult to grind, and the two raceways need to be ground and formed at one time. The use of double-raceway grinding equipment for grinding requires high equipment requirements, and during use, the integrated structure of the outer ring is not very adaptable to the deflecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C19/38F16C33/58F16C43/04
CPCF16C19/386
Inventor 韩超曹晓辉宋世勇罗晓秋庞伟宋明德王德连
Owner WAFANGDIAN BEARING GRP CO LTD
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