Slewing Bearing is a kind of bearing that can bear a lot of weight, often used in different industries. And there are many types of slewing bearings, different types have different uses. However, the overall slewing ring used in construction machinery more, then the crane will use what type of slewing ring it?
Crane is a large machine, so the choice of rotary support must have great affordability, but also compact structure. Therefore, the crane slewing ring can choose three rows of roller slewing bearings, single row four-point contact ball slewing ring type of slewing ring. This type of slewing bearings are composed of 2-3 groups of rings, and can increase the overall contact area, can withstand a variety of loads, and this type of slewing ring in the diameter is large, is designed for heavy machinery and equipment in use. Therefore, the choice of slewing crane for the crane, we must choose the above two types of slewing bearing.
