Rotary bearing is a kind of bearing that can bear a lot of weight. It is often used in different industries. There are many types of slewing bearings, and different types of slewing bearings have different applications. But as a whole, slewing support is widely used in engineering machinery. What kind of slewing support will cranes use?
Crane is a large-scale machinery, so the choice of rotary support must have a great bearing capacity, and also a compact structure. So the slewing support of crane can choose three rows of roller slewing support and single row of four-point contact ball slewing support. This type of slewing support has 2-3 rings, and can increase the overall contact area, and can withstand all kinds of loads at the same time. The diameter of this type of slewing support is also large, which is specially used for heavy machinery and equipment. Therefore, in order to select slewing support for crane, it is necessary to select the above two types of slewing support.