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The type of machinery is different, the service conditions of the bearings will be different, and the performance requirements are also different. Generally speaking, there are more than two bearings that would be used on a shaft. In order to facilitate axial positioning, most of the bearings are used as fixed-end bearings, and the rest are used as floating-end bearings. The following table lists the choice of fixed end and floating end...
Bearing Selection Guide The types, structures, and sizes of rolling bearings are diverse. In order to make the mechanical device play the expected performance, it is very important to choose the most suitable bearing. To select a bearing, many factors need to be analyzed. The general sequence is as follows: (1) Understand the operating conditions of mechanical devices and bearings, etc. (2) Clear requirements for bearings (3) Select the...
Have you ever noticed the types of cage guidance of your bearings? Basically, there are 3 types: outer-ring-rib guidance, inner-ring-rib guidance, and rolling-element guidance. Unfortunately, big part of Chinese factories, including big brands, don’t put their eyes on cage guidance. They believe various types of cage guidance are interchangeable. You may get NU2310 with MA brass cage with outer-ring-rib guidance, even though y...
Full complement cylindrical roller bearings are capable of carrying higher radial loads than bearings that utilize a cage and roller design....
There are many types of bearing materials, among which stainless steel is probably one of the most commonly used bearing materials. Compared with ordinary bearing steel (Chrome steel GCr15/100 Cr6/SUJ2), stainless steel bearing not only have obvious advantages in material, but also much strict in process and precision control than ordinary bearing. It is more stable, has low noise and stronger anti-rust and anti-corrosion properties, it...
Full ceramic bearings have the characteristics of magnetoelectric insulation, wear resistance, corrosion resistance, oil-free self-lubrication, high temperature and cold resistance, which can be used in extremely harsh environment and special working conditions. Material ZrO2 has perfect properties such like suitable for low and high temperatures, high load capacity, corrosion resistance, nonmagnetic insultated and self-lubrication. Thu...
Apprehensions about a steel shortage in China are unfounded and the recent price increases have largely been a result of short-term market-related factors, experts said. “There is no shortage of supplies. The price surge is not an exact reflection of the current supply and demand situation,” said Wang Jing, an analyst with the Lange Steel Information Research Center. On Monday, steel product prices, tracked by the center, ro...
With the development of mechanical manufacturing industry towards high precision and high speed, the application range of bearings is more and more wide, and the performance requirements of bearings are also higher and higher, especially in some special working environment, metal bearings can not adapt to the demand, or even can not work at all. Because of its low density, high modulus of elasticity, low coefficient of linear expansion,...
Bearing is an important part of mechanical rotation, and its stiffness and working temperature will directly affect the bearing efficiency on the mechanical operation. In order to provide the rotation accuracy of the bearing, increase the rigidity of the bearing device, and reduce the vibration of the shaft when the machine is working, the preloaded rolling bearing is often used, such as the spindle bearing of machine tool. The bearing ...
