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Slewing bearings are mainly used in lifting, construction machinery and other large-scale construction machinery and equipment. They mainly bear axial force and overturning moment. However, in many cases, overturning moment is the main load of the bearing. Under the action of the overturning moment, the angular deformation of the bearing will greatly affect the stiffness […]
The slewing bearing is called the joint of the machine. It is a common used bearing in modern machinery and equipment，which requires relative rotational movement between two objects and simultaneously bears axial force, radial force and tilting moment. With the rapid development of the machinery industry, slewing bearings have been widely used in marine equipment, […]
The structure of crossed roller bearings The crossed roller bearings has 3 kinds of structure: Outer ring division type with inner ring rotating, inner ring division type with outer ring rotating, inner ring rotation / outer ring rotation. The rolling element is cylindrical roller which vertically aligned in a V-raceway with spacer separated from each […]
What are the steps to correctly install the slewing ring? The following is an example of how to install the slewing ring: First, open the slewing bearing package, check the certificate and label, and confirm that the slewing bearing model used is correct. 1, the installation plane The installation surface should be smooth and clean. […]
Slewing bearings are mainly used in lifting, construction machinery and other large-scale engineering machinery and equipment. They mainly bear axial force and overturning moment. However, in many cases, overturning moment is the main load of the bearing. Under the action of the overturning moment, the angular deformation of the bearing will greatly affect the stiffness […]
Excavator is one of the important equipment in modern engineering construction. The excavator can rotate left and right during work, which is inseparable from the credit of the slewing mechanism. It is one of the important components of the hydraulic excavator. The slewing mechanism is connected with the walking device through a slewing support, and […]
Single row/double row Ball Slew Ring Bearings The single-row four-point contact ball slewing bearing is composed of two seat rings. Designed for average axial forces and tilting moments as well as high radial forces Compared with the single-row version, the double row bearing can support higher loads at the same diameter Applications: Mechanical engineering, construction […]
With the continuous advancement of technology in recent years, machinery industry has achieved rapid development, which has also driven the market demand for slewing bearings. Slewing bearing is called the joint of the machine or the large-scale mechanical rotation bearing, which can withstand the combined loads such as the larger axial load, radial load and […]
The YRT turntable bearing is composed of a set of thrust / radial seat ring, a thrust / radial shaft ring, a thrust washer, two roller cage assemblies, and a set of radial cylindrical rollers. The seat ring and the shaft ring have evenly distributed screw holes for installation. This type of bearing has a […]
Tower cranes are commonly used lifting machinery equipment at construction sites, used to lift construction materials such as steel bars, wood corrugated, concrete, and steel pipes. One of the important parts of the tower crane is the slewing drive device. Tower cranes can be divided into lower slewing and upper slewing tower cranes according to […]
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