LDB Slewing bearing is a kind of rotating rolling element bearing or sliding bearing, which usually supports heavy but slowly rotating or swinging load. It is usually a horizontal platform, such as the windward platform of traditional crane, slewing stacker or horizontal shaft windmill.
Compared with other rolling element bearings, the section of slewing bearing is thinner, and the diameter is usually one meter or more.
LDB slewing ring is usually made of gear teeth integrated with the inner ring or outer ring, which is used to drive the platform relative to the base.
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