Germany alwayse bearings alwayse models alwayse prices

alwayse bearings are precision mechanical components that convert sliding friction between the rotating shaft and the bearing housing into rolling friction, thereby reducing frictional losses. Rolling bearings generally consist of four parts: inner ring, outer ring, rolling elements, and cage. The inner ring fits with the shaft and rotates with it; the outer ring fits with the bearing housing to provide support; the rolling elements are evenly distributed between the inner and outer rings by the cage, and their shape, size, and quantity directly affect the performance and service life of the rolling bearing; the cage ensures even distribution of the rolling elements, guides their rotation, and provides lubrication.

alwayse bearing function and structure

Supports the rotating shaft and components on the shaft, maintaining the normal working position and rotational accuracy of the shaft. Rolling bearings are easy to use and maintain, reliable in operation, have good starting performance, and offer high load capacity at medium speeds. Compared with plain bearings, rolling bearings have larger radial dimensions, poorer vibration damping capability, shorter service life at high speeds, and higher noise levels. The structure of a rolling bearing consists of the following parts: 1) Outer ring – installed in the bearing housing bore, generally does not rotate 2) Inner ring – installed on the shaft journal, rotates with the shaft 3) Rolling elements – the core component of the rolling bearing 4) Cage – separates the rolling elements evenly to prevent friction. Lubricant is also considered the fifth major component of rolling bearings, primarily serving functions such as lubrication, cooling, and cleaning.

alwayse bearing features

1). Significant energy savings. Due to the motion characteristics of rolling bearings, their friction is far lower than that of plain bearings, reducing power consumption caused by frictional resistance, thus achieving significant energy savings. Theoretical analysis and production practice show that small ball mills using rolling bearings for main bearings can save 30%~35% of electricity, medium-sized ball mills can save 15%~20%, and large ball mills can save up to 10%~20%. Since ball mills are major energy consumers in production, this means considerable cost savings. 2). Easy maintenance and reliable quality. Using rolling bearings eliminates complex maintenance processes with high technical requirements, such as smelting, casting, and scraping Babbitt metal, as well as oil and water cooling systems, greatly reducing maintenance workload. Moreover, since rolling bearings are manufactured by specialized producers, their quality is often guaranteed, bringing convenience to ball mill users.

alwayse bearing lubrication

Mainly grease lubrication and oil lubrication. Grease lubrication is less prone to leakage, easier to seal, has a longer service life, is simple to maintain, and provides high oil film strength, but it has higher friction torque than oil lubrication and is not suitable for high-speed applications. The amount of grease filled in the bearing should not exceed 1/2～1/3 of the bearing space; otherwise, excessive stirring of the lubricant may cause overheating. Oil lubrication offers good cooling effects, but the sealing and oil supply devices are more complex. The viscosity of the oil is generally 0.12～0.2 cm²/s. High-viscosity oil is recommended for heavy loads and high operating temperatures, while low-viscosity oil is suitable for high speeds. Lubrication methods include oil bath lubrication, drip oil lubrication, oil mist lubrication, spray oil lubrication, and pressure oil supply lubrication. In oil bath lubrication, the oil level should not be higher than the center of the lowest rolling element. If the bearing and lubricant viscosity are designed according to elastohydrodynamic lubrication theory, the contact surfaces will be separated by an oil film. In this case, under stable load conditions, the bearing service life can be increased manyfold. Modern machines, instruments, and other equipment are developing towards high speed, heavy load, precision, and lightweight designs, posing new requirements for rolling bearings, such as maintaining or even increasing rated load while reducing size, adopting new technologies to improve manufacturing processes, enhancing manufacturing precision, and reducing costs. Standard rolling bearings can hardly meet various diverse requirements; therefore, dedicated bearings should be designed and manufactured for mass-produced machinery and equipment. While strengthening standardization, the variety should be increased, and the proportion of specialized bearings expanded. The development of modern industry also requires special bearings for operation under special conditions, such as bearings working at high speed, high temperature, low temperature, strong magnetic fields, or in media such as acids and alkalis.

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