Three Row Roller Slewing Bearing

The three-row roller slewing bearing consists of three races, with upper and lower and radial raceways separated, so that the load of each row of rollers can be accurately determined. It can withstand various loads at the same time and has the largest carrying capacity among the four structural products. It has relatively large shaft and radial dimensions and a solid structure. It is especially suitable for heavy machinery requiring larger diameters, such as bucket wheel reclaimers, Wheeled cranes, port cranes, ladle rotary tables and large-tonnage truck cranes and other machinery.

With the development of intelligence and mechanization in the smelting industry, it provides irreplaceable huge business opportunities for the application of slewing bearings. Because it can be used in robotic arms, fully automatic intelligent robots, ladle rotary tables and other industries. Therefore, flexible mechanical equipment will become the general trend of many factories. The rotary table is composed of arm system software, fixed tower, rotating drive and other components. It is typically a light-loaded low-speed turning machine.
The slewing bearing of the rotary metallurgical furnace generally uses a three-row roller structure slewing bearing. This structural product is a slewing bearing with high bearing capacity, which is mainly used in the operation with a large load. It is composed of three ferrules, the upper and lower rows of rollers are horizontally distributed, and the radial force is borne by the three rows of rollers arranged vertically, so it can bear the axial force and tilting moment from two directions. This kind of large three rower slewing bearing is our featured product with advantages of high load, high precision and long service life.

Bucket wheel machine, also known as bucket wheel stacker and reclaimer, is an efficient equipment for continuous loading and unloading of bulk bulk materials in modern industries. It has been widely used in ports, wharfs, metallurgy, cement, steel plants, coking plants, coal storage plants, power plants, etc. The stacking operation of bulk material (ore, coal, coke, sand and gravel) storage yard.
The function of the slewing bearing of the bucket wheel stacker and reclaimer is to support the slewing structure, bear the vertical direction force, horizontal force and tilting moment generated by the slewing structure during operation and non-operation, so that the machine is in a stable state. In view of its working conditions, there are two commonly used slewing bearing structures, one is a heavy-duty external tooth single-row cross-roller slewing bearing, such as 1797/2100, 1797/2460, 1797/2500, 1797/2600, 1797/2635 , 1797/3230, etc.; the other is a three-row roller slewing bearing with external teeth, such as 131/132.45.2500, 131/132.45.2800, 131/132.50.3150, 131/132.50.3550, 131/132.50.4000 , 131/132.50.4500, etc. These are the models that our company often makes. For detailed information, please call for consultation. If non-standard customization is required, our company can provide technical support such as selection, design, calculation, etc., you can call for details.

Port hoisting machinery generally includes portal cranes, ship unloaders, floating cranes, etc., commonly used single-row four-point ball type, three-row roller type and double-row ball type slewing ring bearings. Port cranes usually use three-row roller slewing bearings with internal or external teeth with a diameter of 4 meters to withstand high overturning moments.
Our company often provides slewing bearings in this field, such as single-row ball type, 011/012.60.2000, 011/012.60.2240, 011/012.60.2500, 011/012.60.2800, 011/012.60.3150, etc., three-row roller type, etc. Slewing bearings include 131/132.45.2500, 131/132.45.2800, 131/132.50.3150, 131/132.50.3550, 131/132.50.4000, 131/132.50.4500, etc., as well as double-row ball slewing bearings 021/022.50 .2500, 021/022.50.2800, etc., are our main advantage products. If non-standard customization is required, our company can provide technical support such as selection, design, calculation, etc., you can call for details.

Ladle turret is commonly known as continuous casting machine. Slewing bearing for ladle turret generally uses three row roller structure slewing bearing, such as 132.45.2500/2800/3150/3550, etc. This structural product is a slewing bearing with high bearing capacity. , mainly used in heavy duty work situations.
It consists of three ferrules, the upper and lower rows of rollers are distributed horizontally, and the radial force is borne by the three rows of rollers arranged vertically, so it can withstand the axial force and tilting moment from two directions. The ladle turntable is the key equipment of the continuous casting machine. It is used to carry and support the ladle for pouring. It is usually set between the molten steel receiving span and the column row of the pouring span. The designed ladle rotation radius makes the ladle nozzle at the specified position above the tundish when pouring steel. The ladle is placed on the turntable by the crane on the side of the molten steel receiving span, and is rotated by the turntable to make the ladle stop above the tundish to supply its molten steel. The poured empty package is rotated through the turntable, and then transported back to the molten steel receiving span. The load-bearing capacity and safety performance of the product are required to be high, so the three-row roller structure slewing bearing is often used. If non-standard customization is required, our company can provide technical support such as selection, design, calculation, etc., you can call for details.

Three-row roller slewing bearing has three seat rings, the upper and lower raceways and the radial raceways are separated. The upper and lower rows of rollers are arranged horizontally, and the middle row of rollers is arranged vertically. It can be made into an inner gear ring or an outer gear ring according to the equipment structure and work needs. The axial force and tilting moment in the two directions are borne by the upper and lower horizontal rollers, and the radial force is borne by the vertically arranged third row of rollers. According to the different characteristics of the load, the upper and lower rows of rollers can be of the same diameter or of different diameters. So that the load of each row of roller can be determined accurately. Being able to bear all kinds of loads at the same time, it is the largest one of the four structural products with large axial and radial dimensions and firm structure. It is especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and declaimer, wheel crane, marine crane, port crane, ladle turret and large tonnage truck crane, heavy machinery and so on.