Expander Bearings Manufacturers

about us


Zhejiang BHS Journal Bearing Co., Ltd. is an enterprise of professional design, research, development, manufacturing, and sales of slide bearings. As a professional China Expander Bearings manufacturers and Expander Bearings suppliers, the company has been focusing on slide bearing’s design, manufacture, experiment and fault diagnosis for many years, BHS has become an excellent supplier of solutions for sliding bearing systems in China. The company produces Expander Bearings and other various kinds of slide bearings, which are widely used in motors, turbomachinery, fans, compressors, gearboxes, and high-speed pumps, expenders. "BHS Bearing " products have been widely using in domestic energy, petrochemical, industrial transmission, and high precision fields. In addition, Our products have been exported to more than 20 countries.



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Industry Knowledge Expansion

Does the load capacity of expander bearings need to comprehensively consider the impact of the use environment?

In addition to normal working load, the load capacity of expander bearings also needs to consider the influence of the use environment. Under harsh working conditions, such as high temperature, high humidity and the presence of corrosive media, bearings are often affected to a certain extent. Therefore, in order to ensure that the bearing can perform properly under these conditions, we need to make special considerations about its load capacity.
High temperature environment will have a great impact on bearings. At high temperatures, the viscosity of the lubricant will significantly decrease, which may lead to poor lubrication and increased wear. In addition, high temperature will also cause the expansion and relaxation of metal materials, which will increase the gap between the inner and outer rings of the bearing and intensify the wear and fatigue of the bearing. Therefore, during the selection process, we need to choose bearing materials that can withstand high temperatures and have good thermal stability, and select suitable lubricants according to the specific application environment.
High humidity environments can also have adverse effects on bearings. High humidity can cause a water film to appear inside the bearing, reducing lubrication performance and increasing the risk of wear and corrosion. Therefore, when designing and maintaining bearing systems, attention should be paid to improving sealing performance to prevent moisture from entering, and bearing materials that are resistant to moisture and corrosion need to be selected.
Corrosive media is also an important consideration. For bearings exposed to operating in corrosive media, it is generally necessary to use anti-corrosion materials, such as stainless steel. In addition, for particularly corrosive media, special protective measures may be required, such as the application of corrosion-resistant coatings to protect the surface of the bearing.
In addition to these environmental factors, there are other factors that need to be considered on the load capacity of the expander bearings, such as vibration and shock loads. Bearings that operate in high vibration environments for a long time are often prone to fatigue and damage. Therefore, when selecting and installing bearings, priority should be given to products with good vibration resistance.
The load capacity of the expander bearing needs to comprehensively consider the influence of the use environment. Harsh working conditions such as high temperature, high humidity and corrosive media will have a certain impact on bearings. Therefore, when selecting and designing bearings, materials and lubrication solutions that can adapt to these working conditions should be selected, and appropriate protective measures should be taken to ensure Ensure that the bearings can operate normally in harsh environments.

Will the overheating of the expander bearings have a serious impact on the performance and life of the bearings?

With the development of industrialization, expanders are widely used in various industries. As an important part of the expander, the expander bearing is subjected to huge pressure and friction during operation. Bearings can overheat due to friction and heat generation. Overheating will not only affect the performance of the bearing, but also shorten its life and even cause damage to the bearing. Therefore, it is very necessary to monitor and control the temperature of bearings.
Bearing overheating is due to the presence of friction. During the operation of the expander, the bearings bear a large load and generate friction heat during high-speed operation. If the bearing is poorly lubricated or the lubricant is of poor quality, it will increase the level of friction and cause the bearing to overheat quickly. In addition, when the bearing is contaminated by external factors such as dust, water, etc., it will also affect its normal operation, causing the bearing to overheat.
Overheating will have a significant impact on bearing performance. First of all, overheating will decompose the lubricating oil in the bearing, reduce the lubrication performance of the bearing, and increase the friction and wear of the bearing. Secondly, overheating will also cause thermal deformation of the metal materials inside the bearing, which will affect the operating accuracy and stability of the bearing. Most importantly, bearing overheating can also cause serious damage phenomena such as bearing bursting, thermal fatigue, and interface oxidation, leading to damage to the entire expander.
In order to ensure the normal operation of the expander bearings, the temperature of the bearings should be paid close attention to and ensure that it is within the normal range. Generally speaking, the temperature of the bearing should usually be controlled between half and two-thirds of the operating temperature. Excessively high temperatures may indicate poor lubrication or other malfunctions. If the temperature of the bearing is found to rise abnormally, you should immediately stop the machine for inspection and confirm whether the bearing needs to be repaired or replaced.
In order to reduce the temperature of the bearings, some measures can be taken. First, you need to ensure that the bearing's lubrication system is working properly. Regularly check the quality and quantity of lubricating oil to ensure it is clean and sufficient. At the same time, bearings should be cleaned regularly to avoid accumulation of dust and impurities on the bearing surface. In addition, cooling systems can also be used to reduce the temperature of the bearings. Enhance heat dissipation by spraying water on the bearings or installing cooling fans to keep the bearings within the normal operating temperature range.
Expander bearings may overheat during operation, which will have a serious impact on the performance and life of the bearings. Therefore, we should pay close attention to the temperature of the bearing and take appropriate measures to reduce the temperature. This can ensure the normal operation of the bearing and extend its service life, while also improving the working efficiency and safety of the expander.