Slewing bearings are commonly used in heavy-duty applications where they operate under high loads and low speeds. To ensure their smooth and long-lasting performance, effective sealing is essential. The primary function of a slewing bearing seal is twofold: it prevents the loss of lubricating grease that is filled inside the bearing, and it protects the internal components from external contaminants such as dust, dirt, and moisture. There are two main types of sealing solutions typically used for slewing bearings: rubber seals and labyrinth seals. Rubber seals are known for their simplicity and compact design, making them ideal for applications where space is limited. However, they may wear out over time due to continuous contact with moving parts. Labyrinth seals, on the other hand, use a series of intricate grooves or channels to block contaminants without direct contact, offering longer service life and better resistance to harsh environments. Choosing the right sealing method depends on the operating conditions, load capacity, and environmental factors. In some cases, a combination of both sealing types is used to maximize protection and efficiency. Proper maintenance and regular inspection of the seals are also crucial to ensure the continued reliability of the slewing bearing. Related Bearing Knowledge: This article is sourced from China Bearing Network. For more information on bearings and related technologies, visit our website. Previous Article: NSK Bearing Quality Analysis: Three Specifications and Testing Skills – The Tapered Roller Bearing Series Ultra Slim Led Downlight Dimmable
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Source: China Bearing Network | Time: 2013-09-13