CSB® Bearing application technology - CSB® Plastic Bearing Technology

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2008-06

Technology of Plastic Sliding Bearing and its Application in the Automotive Industry

Bearings can be divided into rolling bearings and sliding bearings from the working principle. The rolling friction pair is formed when the rolling bearing works and the sliding friction pair is formed when the sliding bearing works. This determines that the friction coefficients of rolling bearings and sliding bearings differ by at least 10 orders of magnitude. Under a certain load and speed without lubrication, the size of the friction coefficient of the rolling bearing basically depends on the manufacturing accuracy of the balls, the inner and outer rings of the bearing, and the mutual clearance between them. The friction of rolling bearings is not directly related to the bearing material itself. Rolling bearings generally require regular lubricants. Under the same load and speed without lubrication, the friction coefficient of the sliding bearing mainly depends on the self-lubricating performance of the bearing material itself. The sliding bearing material itself has good self-lubricating properties and can work for a long time without or with little oil. The sliding bearing takes advantages of the self-lubricating technology, achieves self-lubricating and maintenance-free feature for bearings. So that more and more engineering designers adopt the sliding bearings.

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