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Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
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Email: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China

Shaanxi Yuwei Bearing Manufacturing Co., Ltd.
Phone: 029-86696506
Fax: 029-89503160
Enterprise QQ: 点击这里给我发消息 Pre-sale 点击这里给我发消息 After sale
Enterprise email: sales@gifudayo.com
Website: www.ywbearings.com
Address: Qinhan New City Free Trade Zone, Xixian New District, Shaanxi Province

[Miniature bearings] Bearing life of Shanghai Yuwei Bearing Co., Ltd.

Release time: 2017-11-07 09:09:25 Views: 915

All things will have a shelf life process, and the purpose of the producer and user is to try to not damage the item as much as possible during the use, and prolong the life of the item. For bearings: the bearing life under certain load, the number of revolutions or hours before pitting occurs is called bearing life.

Let ’s take a look at a screenshot: there is a wide range of life data for bearing life in different industries and different operations, which can be used as a preliminary understanding. What about the life of rolling bearings produced by Shanghai Yuwei Bearing Co., Ltd.? So take a look at the data first:

上海御微轴承寿命

The life of a rolling bearing is defined by the number of revolutions (or the number of hours of operation at a certain speed): A bearing within the life of the bearing should undergo initial fatigue damage (peeling or defect) on any of its bearing rings or rolling elements. However, whether in laboratory tests or in actual use, it can be clearly seen that under the same working conditions, the appearance of the same bearing, the actual life is greatly different. In addition, there are several different definitions of bearing "life". One of them is the so-called "working life", which means that the actual life that can be achieved before damage is caused by wear. Damage is usually not caused by fatigue, but by wear, Caused by corrosion, seal damage, etc.

To determine bearing life standards, link bearing life to reliability.

Every item has a rated life, which means how long it can be used from the moment it is produced. Bearings are no exception. The rated life of a bearing is due to the difference in manufacturing accuracy and the uniformity of the material, even for the same material. The same batch of bearings of the same size are used under the same working conditions, and their lifespans are also different. If the statistical life is 1 unit, the longest relative life is 4 units, the shortest is 0.1-0.2 units, and the ratio of the longest to the shortest life is 20-40 times. 90% of the bearings do not cause pitting, and the number of revolutions or hours experienced is called the rated bearing life.

In order to compare the bearing capacity of the micro-bearings against pitting corrosion, when the rated life of the bearing is specified to be one million revolutions (106), the maximum load that can be supported is the basic dynamic load rating, expressed as C.

That is to say, under the action of the rated dynamic load C, the reliability of this type of bearing working for one million revolutions (106) without pitting failure is 90%. The larger the C, the higher the bearing capacity.

上海御微轴承有限公司 的使用寿命延长,除了在生产出来的时候多考虑材质的问题和设计方面的问题,在承载能力上也要适度的考虑一下。 Therefore, if you want to extend the service life of Shanghai Yuwei Bearing Co., Ltd. , in addition to more consideration of material issues and design issues when it is produced, you must also consider the load capacity appropriately.


If you need to know about related technologies for supporting, please call Yuwei Hotline: 021-510099639 or 15001823721 or follow the company's WeChat. http://gifudayo.com .来函来电:yw@gifudayo.com Official Website: http://gifudayo.com . Caller: yw@gifudayo.com

Shanghai miniature bearings
Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
Phone: 021-51099639
Fax: 021-51861291
Enterprise email: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China
Shaanxi Yuwei Bearing Manufacturing Co., Ltd.
Phone: 029-86696506
Fax: 029-89503160
Enterprise email: sales@gifudayo.com
Address: Qinhan New City Free Trade Zone, Xixian New District, Shaanxi Province
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