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Four-row cylindrical roller bearings have extremely high load capacity and long service life, even under conditions of insufficient lubrication and severe contamination. AUBEARING manufactures four-row cylindrical roller bearings in two materials: case-hardened and through-hardened steel. Due to special heat treatment and surface treatment processes, the bearing steel is particularly wear-resistant and impact-resistant. Due to the large number of rolling elements, four-row cylindrical roller bearings are suitable for applications with very high radial loads.
Four-row cylindrical roller bearings are large rolling bearings designed to withstand extremely large radial loads. They support and distribute the load through four rows of cylindrical rollers, with high load-bearing capacity and stability. Here are the details about four-row cylindrical roller bearings manufactured by AUBEARING:
The main structural features of four-row cylindrical roller bearings include:
Four-row arrangement: There are four rows of cylindrical rollers around the inner ring of the bearing, and the radial load is distributed and borne through the outer ring and rolling elements.
Separate design: Usually a separate structure is adopted, that is, the inner ring is separated from the roller assembly and the outer ring, which is convenient for installation and maintenance.
Geometry of inner and outer rings: The geometry of the outer and inner rings is well designed to ensure stability and reliability when subjected to extreme loads.
Four-row cylindrical roller bearings have the following advantages over other types of bearings:
High load capacity: They can withstand extremely large radial loads and are suitable for large mechanical equipment and structures that need to support heavy loads.
Stability and rigidity: The four-row roller arrangement can effectively distribute the load, improve the stability and rigidity of the bearing, and reduce vibration and noise.
Strong adaptability: They are suitable for a variety of working conditions and environments, including complex working conditions such as high-speed operation, high temperature and low temperature.
Long life: Through optimized design and appropriate material selection, they can provide long-term reliable operation and long service life.
Four-row cylindrical roller bearings are mainly used in the following fields and equipment:
Steel industry: used for large metallurgical equipment such as rolling mills, cold rolling mills, hot rolling mills, etc.
Excavation machinery: suitable for civil engineering and mining equipment such as large excavators and backhoe loaders.
Energy industry: important applications in generator sets, wind turbines and nuclear power equipment.
Heavy machinery and equipment: such as large cranes, ship lifting devices, military equipment, etc.
Material selection: Mainly use high-strength and high-wear-resistant alloy steel or special steel materials to manufacture the inner and outer rings and rolling elements of the bearing to ensure durability and stability under high loads.
Manufacturing process: The process of manufacturing four-row cylindrical roller bearings includes precision forging, heat treatment, precision machining and assembly. Especially in the manufacturing process of rollers and inner and outer rings, it is necessary to strictly control the dimensional accuracy and surface quality to ensure the performance and life of the bearing.
Four-row cylindrical roller bearings are a high-load bearing bearing designed for large mechanical equipment. They have excellent load-bearing capacity, stability and long life. They are widely used in steel, excavation, energy and heavy machinery industries. Through appropriate material selection and precise manufacturing process, its reliable operation and long-term use under complex working conditions are ensured.
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