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In daily life and industrial applications, it is a common phenomenon that sports equipment has abnormal noise due to bearings. As a key component in sports equipment, the health of bearings directly affects the operation effect and service life of the equipment.Understanding the causes of abnormal noise in bearings is of great significance for timely troubleshooting and ensuring the normal operation of equipment. The causes of abnormal noise in bearings are complex and diverse, and can be summarized as follows. Local damage is one of the common causes. Due to incorrect operation or installation, the bearing raceway and rolling elements may be damaged, generating a specific vibration frequency during operation, thereby causing abnormal noise. This damage may be caused by overload, impact or long-term fatigue.Contaminants are also an important factor causing abnormal noise in bearings. If the equipment is operated in a polluted environment, impurities may enter the bearing, rub against the rolling elements, and produce irregular noise. These contaminants may include dust, metal chips or other particulate matter. Insufficient bearing lubrication can also cause abnormal noise. Insufficient or unsuitable lubricant will cause dry friction, increase bearing wear and heat, and then produce abnormal noise. In addition, too large or too small bearing clearance will also affect its operating state. Too large may cause bearing looseness and noise, while too small may cause bearing overheating and jamming. A series of measures can be taken to prevent and solve the problem of abnormal noise in bearings. First, strengthen the maintenance and care of the equipment, regularly check the lubrication and wear conditions of the bearings, and replace the seriously worn parts in time. Secondly, improve the installation accuracy and method to ensure the matching accuracy and tightness of the bearings and related parts.  In addition, improving the working environment and reducing the impact of pollutants on the bearings are also key. In short, the abnormal noise caused by the bearings of sports equipment is a complex problem that requires comprehensive consideration of multiple factors. By understanding the causes of abnormal noise in bearings and taking corresponding measures to prevent and solve them, the normal operation and safe use of the equipment can be effectively guaranteed. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)

Recently, someone asked if there were any recycled bearings to sell to him. I was very confused. Can recycled bearings be reused? So I studied this issue for your reference and discussion. The risk of secondary use of bearings depends on many factors and cannot be generalized. The following is a detailed analysis of the risks of secondary use of bearings:I. Risk factors1. Damage degree: If the bearing has serious damage, such as cracks, deformation, excessive wear, etc., it will greatly affect its performance and safety. Continued use may cause equipment failure or even safety accidents. 2. Working environment: Harsh working environment, such as high temperature, high humidity, dust, corrosive substances, etc., will accelerate the aging and corrosion of bearings, reduce their service life and reliability, and increase the risk of secondary use. 3. Use conditions: Harsh use conditions such as high speed, high load, frequent start and stop, etc., will cause bearings to bear greater pressure and friction, easily lead to fatigue and damage, and the risk is higher for secondary use bearings. 4. Maintenance: Lack of proper lubrication and maintenance will lead to problems such as increased wear, temperature increase, and increased noise of bearings, affecting their normal operation and life. Even if the bearings appear to be intact, they may have internal hidden dangers if they are not properly maintained. 5. Sealing condition: Poor sealing will allow dust, moisture and other impurities to enter the bearing, causing pollution and corrosion, destroying the lubricating oil film, causing bearing wear and failure, and affecting the safety of secondary use. 6. Importance: For bearings on key equipment or important components, once a failure occurs, it may cause serious consequences. Therefore, they should be used more cautiously for secondary use. It is usually recommended to replace new bearings to ensure the stable operation of the equipment. 7. Running time: The performance and reliability of bearings that are close to or exceed the design life have been greatly reduced. The risk of secondary use is high and sudden failures are prone to occur. II. Risk assessment and judgment1. Appearance inspection: Carefully check the appearance of the bearing, including the inner and outer rings, rolling elements, cages and other parts to check for defects such as cracks, deformation, wear, rust, indentation, etc. 2. Dimensional accuracy measurement: Use professional measuring tools to detect the inner diameter, outer diameter, thickness, clearance and other dimensional parameters of the bearing to ensure that they meet the specified tolerance range to ensure the rotation accuracy and matching performance after installation. 3. Rotation flexibility check: Manually rotate the bearing to feel whether it rotates smoothly, whether there is any sticking, looseness or abnormal noise, so as to judge the internal condition and operation flexibility of the bearing.  4. Vibration and noise detection: Use vibration measuring instruments and noise detection equipment to detect the vibration and noise levels of the bearing during operation, and judge whether the bearing has faults or potential problems by comparing with normal values. 5. Grease status check: Check whether the grease inside the bearing is deteriorated, dried up or contaminated. If the grease is in poor condition, it should be cleaned and refilled with appropriate grease in time. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)

In daily life, we often find such an interesting phenomenon: the same bearings, some only cost a few yuan, while others cost tens or even hundreds of yuan. What factors cause this huge price difference? Materials are the basic factor that determines the price of bearings. High-quality bearings usually use high-purity steel and advanced heat treatment processes to ensure their excellent service life and performance. The high procurement cost of these high-quality materials directly leads to the increase in bearing prices. In contrast, low-priced bearings may use recycled materials or low-cost processes. Although they are affordable, they have a short life and are prone to failure. Differences in manufacturing processes and testing standards are also important factors affecting bearing prices. High-end bearings will undergo multiple rigorous testing processes during the production process to ensure that every detail meets high standards. Low-end products may be simplified in this regard, or even completely omit the testing process. This difference in fine and rough processes is naturally reflected in the price. Brand value cannot be ignored either. Bearings of well-known brands often win market recognition for their excellent quality and service, and their prices are relatively high. However, some small or unknown brands of bearings, although inexpensive, may be difficult to compare with big brands in terms of quality and after-sales service. In addition, sales channels and costs are also an aspect that affects bearing prices. Some large channel dealers may increase cost prices due to their involvement, while the prices of products sold by small manufacturers or directly are relatively low. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)

In the long history of human invention and creation, bearings seem ordinary, but they play a very critical role and can even be regarded as one of the greatest inventions. In principle, the core of bearings is to change sliding friction into rolling friction, which greatly reduces the resistance of mechanical operation. This simple but ingenious design has improved the efficiency of machinery. Imagine that without bearings, there will be heavy sliding friction between the wheels and the axles, and it will be difficult for the vehicle to move forward. With bearings, the wheels can rotate lightly and smoothly, and the speed and efficiency of vehicles have achieved a leap. The application range of bearings is extremely wide, covering almost all industrial fields. In the manufacturing industry, the operation of various machine tools such as lathes and milling machines relies on bearings to ensure precision and efficient production. In the automotive industry, key components such as engines, gearboxes, and wheel hubs cannot do without bearings, and their performance is directly related to the quality and service life of the car. The requirements for bearings in the aerospace field are even more stringent. The engines, landing gears and navigation systems of aircraft require high-precision and high-durability bearings to ensure the safety and stability of flight. In the home appliance industry, refrigerators, washing machines, air conditioners and other equipment run smoothly and reduce noise due to bearings. In the energy industry, the bearings of wind turbines need to withstand huge loads and operate for a long time, supporting the sustainable development of renewable energy. From a historical development perspective, the emergence of bearings has promoted the progress of human civilization. In ancient Egypt, people used logs as sleepers to transport heavy objects, which was an early application of the bearing principle. Over time, bearings have continued to evolve, from simple wooden structures to today's precision components that integrate cutting-edge technology. High-end bearing manufacturing involves a series of complex problems such as materials, lubrication, and manufacturing processes, as well as multidisciplinary research, and has become an important indicator of a country's industrial level. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)

The core function of bearings is to reduce friction, assist rotation and carry loads. They are mainly used in important components such as reducers, motors, and lead screws. As you can imagine, bearings are important in robots! When choosing bearings for robots, you need to consider them comprehensively from multiple dimensions. The following will introduce the key points when choosing robot bearings in detail. 1 Clarify the application scenarios and working conditions of robots Load type and sizeSelect bearings with corresponding load capacity based on the size of radial, axial and overturning moment loads that the robot bears in actual operations. Running speedRobots running at high speeds have high requirements for the accuracy, dynamic performance and lubrication performance of bearings. Working temperatureRobots working in high or low temperature environments need to choose bearings with special materials and lubrication methods. For example, in a high temperature environment, the performance of metal materials will change. At this time, it may be necessary to use bearings made of high-temperature resistant alloy materials and match them with high-temperature grease. In a low temperature environment, ordinary grease may solidify, and a lubricant with good low-temperature performance is required. 2 Pay attention to the accuracy and reliability of bearings Accuracy levelRobots have high requirements for motion accuracy, and usually need to choose P5, P4 or even higher accuracy bearings to ensure the positioning accuracy and repeatability of the robot during motion. ReliabilityChoose reliable bearing products produced by bearing manufacturers, and consider their service life and maintenance costs. 3 Conduct cost-benefit analysis. Compare the costs of bearings of different brands and specifications on the premise of meeting the performance requirements of the robot. Not only the purchase cost of the bearing should be considered, but also its service life, maintenance cost, replacement cost and other factors should be considered comprehensively to achieve the best cost-effectiveness. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)

Regularly, the bearing must be able to withstand a certain load, and this load is the so-called bearing capacity. If the bearing capacity is not enough, the machine will be at risk of damage. But at the same time, when enhancing the bearing capacity, we can not ignore the friction. Friction is like an invisible brake on the bearing, slowly eating away at the efficiency of the machine. More friction means more energy consumption, and the machine will wear out faster. At this point, high technology is needed to create low-friction bearings, such as the use of better lubricants or special materials to reduce friction. Increasing bearing capacity usually results in increased friction, as it requires a more solid and stable structure to support greater weight. Reducing friction may mean sacrificing some of the bearing capacity, because lubricants or special materials that reduce friction may not hold up as well. Engineers take great pains to balance the two. Sometimes by changing the design, such as using rolling bearings instead of plain bearings; Sometimes through more advanced materials, such as ceramic or carbon fiber. This can ensure the bearing capacity and greatly reduce the friction. Here's an example. In the motor industry, motor bearings must withstand the weight of the motor as well as the friction generated by high-speed rotation. If the friction is too large, the motor will not run smoothly, and even safety risks may occur. On the contrary, if the bearing capacity is insufficient, the motor will become unstable at high speed. Therefore, choosing the right motor bearing is crucial to motor performance and safety. Although bearing capacity and friction seem to be opposites, they are inseparable parts of mechanical design. Only through fine design and balance can bearings be used to maximize their benefits. Contact:19957426729(WhatsApp)     bugao@bgbearing.com(Email)