SLEWING BEARING INTRODUCTION
Slewing ring is a large bearing with a special structure, which can bear comprehensive loads such as shaft load, radial load and overturning load. It combines support, rotation, transmission, fixing, sealing, anti-corrosion and other functions into one unit. It is widely used in hoisting machinery, construction machinery, transmission machinery, mining and metallurgical machinery, medical equipment, radar, shipbuilding, wind power and other industries. The slewing bearing is the same as the ordinary bearing, it is assembled by rings and rollers. However, compared with ordinary bearings, slewing bearings have many differences. Generally, the size of the slewing bearing is very large, and the outer diameter is usually between 0.4m and 10m, and some even between 40m. Under normal circumstances, the slewing ring runs under low-speed and high-load conditions. The slewing bearing has mounting holes, lubrication holes and sealing devices. It has the characteristics of compact structure, convenient rotation, simple installation and convenient maintenance.