What role does the three-row roller slewing bearing play?
The rollers in each row of this slewing bearing have their own functions and can bear corresponding loads respectively. This allows for precise determination of the loads on each row, greatly enhancing the overall performance and reliability. Therefore, it is widely used in heavy machinery such as bucket-wheel excavators, port cranes, and large-tonnage truck cranes, providing strong support for the normal operation of these devices and effectively promoting the development of related industries.
What is Three-Row Roller Slewing Bearings
The three-row roller slewing bearing is a key component of heavy machinery and plays an important role in the industrial field. It has a unique structure with three rows of rollers, each row bearing forces in different directions, endowing it with a strong load-bearing capacity. It can simultaneously withstand huge axial forces, radial forces, and overturning moments, which is beyond the reach of many slewing bearings. With relatively large axial and radial dimensions, it has a sturdy structure. Even under complex and harsh working conditions, it can ensure excellent stability, keeping the equipment running smoothly at all times.
Advantages of Three-Row Roller Slewing Bearings
Three-row roller slewing bearings have significant advantages in the industrial field. In terms of load-bearing capacity, its unique three-row roller design enables it to simultaneously withstand strong axial forces, radial forces, and overturning moments. This characteristic far exceeds that of similar products and can meet the high-load working requirements of heavy machinery such as port cranes and large excavators.
Regarding stability, its large axial and radial dimensions and robust structure make the equipment operate stably. Even in harsh working environments, when encountering strong winds, uneven ground, or material impacts, it can still maintain smooth operation, reducing equipment vibration and component wear, and ensuring operation safety and accuracy. Each row of rollers in it performs its own function and can accurately distribute the load, achieving efficient operation. This not only improves the performance of the slewing bearing itself but also enhances its reliability, reduces the occurrence of failures, extends the service life of the equipment, and reduces maintenance costs, saving a large amount of time and capital for enterprises and effectively ensuring the continuous and efficient operation of various types of large machinery.
Applications of Three-Row Roller Slewing Bearings
With its excellent load-bearing performance and stable characteristics, the three-row roller slewing bearing has become a “heart” component of many large mechanical devices and is widely used in multiple key fields, playing an irreplaceable role.
In the port logistics field, the three-row roller slewing bearing silently supports the busy scene. The quay container crane relies on it to easily lift, rotate, and accurately place containers weighing dozens of tons to the designated position. Behind each efficient loading and unloading operation, the slewing bearing is bearing huge axial forces, radial forces, and overturning moments, ensuring the stable operation of the crane and greatly improving the port’s cargo handling efficiency and guaranteeing the material flow of global trade.
At the mining site, the bucket-wheel excavator is the main force. Its huge body and high-intensity operation requirements make the three-row roller slewing bearing a core component. When the bucket-wheel excavator is excavating, the large bucket wheel continuously cuts the ore, and the complex forces generated are borne by the slewing bearing. With its sturdy structure and precise load distribution ability, the bucket wheel can rotate flexibly, achieving efficient continuous mining and facilitating the large-scale development of mine resources.
In the construction industry, the tower crane is an essential device for building high-rise buildings. On the tall tower body, the three-row roller slewing bearing supports the long boom. As building materials are hoisted, the boom rotates frequently. The slewing bearing works stably and reliably, ensuring the accuracy and safety of heavy object transportation and enabling the construction work to proceed in an orderly manner, witnessing the continuous renewal of the urban skyline.
In the metallurgical industry, the ladle turntable used for molten steel transfer also relies on the three-row roller slewing bearing. During the rotation of the high-temperature and heavy ladle, the slewing bearing bears great pressure and high-temperature tests, ensuring the stable transportation of molten steel and avoiding dangerous situations such as molten steel spillage, providing a solid guarantee for the continuity and safety of steel production. From ports to mines, from construction sites to metallurgical plants, the three-row roller slewing bearing promotes the steady progress of various industries with its powerful performance.
Price of Three-Row Roller Slewing Bearings
The price of three-row roller slewing bearings is affected by multiple factors. The cost of raw materials is crucial. High-quality steel such as 42CrMo and 50Mn used for manufacturing the raceways, and materials like GCr15 for the rollers, the market price fluctuations of which are directly related to the manufacturing cost of the slewing bearing. In terms of size specifications, the larger the diameter, width, and other parameters, the more materials are consumed, and the greater the processing difficulty and precision requirements, resulting in a corresponding increase in price. Different load-bearing capacity requirements lead to differences in internal structure design and manufacturing processes. High-load products require more precise processing and strict inspection procedures, and the increased costs lead to price increases. The brand effect cannot be ignored. Well-known brands usually price their products higher than ordinary brands due to their mature technology, reliable quality, and comprehensive after-sales service. The purchase quantity also affects the unit price. Bulk purchases can obtain more favorable prices due to economies of scale.
Supplier of Three-Row Roller Slewing Bearings
LDB Bearing adheres to the persistent pursuit of quality and has established a complete system integrating design, production, sales, and service. Its slewing bearing products cover a wide range, and the extensive export of three-row roller slewing bearings demonstrates its international vision and strong strength.