Product description Technical parameter
Precision angular contact ball bearing, belongs to the deep groove ball bearing deformation structure, suitable for all kinds of precision machinery selection, this series of bearings can bear radial load and axial load at the same time, can work at a higher speed. The larger the contact angle, the higher the axial load carrying capacity. According to the axial load size, contact angle is mainly divided into C-15 degrees, AC-25 degrees, A-30 degrees, B-40 degrees type structure, small friction coefficient, high limit speed, high manufacturing accuracy, can provide high-speed ceramic ball series bearings and sealed series bearings, cage mainly organic processing window brass cage, steel plate stamping cage, glass fiber reinforced nylon cage (nylon), and phenolic Laminated cloth tube cage (rubber wood), also can provide universal pair and any pair combination bearings. Mainly used in: machine tool spindles, high frequency motors, gas turbines, centrifugal separators, small car front wheels, differential pinion shafts, booster pumps, drilling platforms, food machinery, indexing heads, welding machines, low-noise cooling towers, electromechanical equipment, coating equipment, machine tool groove plates, arc welding machines, water pumps, modules, and support seats.

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Reliable bearings for reliable machinery

Ningbo WTOO Machinery Technology Co., Ltd.is China 7306AC Air-Oil Lubricated Angular Contact Ball Bearing suppliers and Wholesale 7306AC Air-Oil Lubricated Angular Contact Ball Bearing factory. Founded in May 2000, is a wholly-owned enterprise, covering an area of 31682 square meters, with a plant area of 61000 square meters, and has 950 employees, including 110 research and development personnel. The production and sales volume of miniature deep groove ball bearings with inner diameter ranging from 3mm to 60mm ranks the first in China and the second in the world.

WTOO has successively won the national manufacturing single champion, the national high-tech enterprise, the post-doctoral workstation of Zhejiang Province, the enterprise technology center of Zhejiang Province, and the brand strategy demonstration enterprise of Zhejiang Province. WTOO pays attention to scientific and technological innovation, constantly introduces scientific and technological talents, cooperates with domestic bearing industry experts and scientific research institutions, and vigorously implements the technical innovation project. In October 2010, it acquired and held two bearing companies in Shanghai, established talent centers, technology research and development centers, and sales centers, and formed a group business model.

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The Advantages of Air-Oil Lubrication
Air-oil lubrication stands out as a superior lubrication method for angular contact ball bearings, offering several advantages over conventional lubrication techniques. One primary benefit is the significant reduction in friction, which results in lower operating temperatures and extended bearing life. The introduction of a finely atomized oil mist into the bearing contact area ensures a consistent lubricating film, reducing wear and preventing premature failure. Enhanced cooling capabilities are another notable advantage of air-oil lubrication. The continuous flow of air and oil around the bearing dissipates heat efficiently, preventing overheating and maintaining optimal operating conditions. This is particularly crucial in high-speed applications where heat buildup can lead to thermal degradation of lubricants and compromise bearing performance. Air-oil lubrication contributes to improved precision in angular contact ball bearings. The precise control over lubricant delivery ensures minimal variability in friction and torque, resulting in more accurate and predictable bearing performance. This is especially critical in applications where precision and reliability are non-negotiable, such as in high-speed machining centers and precision manufacturing equipment.

Application Areas for Air-Oil Lubricated Angular Contact Ball Bearings
The versatility of air-oil lubricated angular contact ball bearings makes them well-suited for a diverse range of industries and applications, where precision, reliability, and efficiency are paramount. In the aerospace sector, for instance, these bearings find extensive use in critical components such as aircraft landing gear, where the combination of high speeds and heavy loads requires a lubrication method that can ensure optimal performance and longevity. The reduced friction and enhanced cooling provided by air-oil lubrication contribute to the overall efficiency of aerospace systems. In the realm of manufacturing and machining, air-oil lubricated angular contact ball bearings are instrumental in high-speed machining centers. The precise lubrication control and cooling capabilities make them ideal for applications where accuracy and consistency are vital, ensuring the longevity of the bearings and the quality of the machined products. Automotive applications also benefit from the advantages of air-oil lubrication, especially in performance and racing vehicles where high speeds and demanding conditions necessitate advanced bearing solutions. The ability of these bearings to handle both radial and axial loads with reduced friction is crucial for enhancing vehicle performance and reliability.

Design Considerations for Air-Oil Lubricated Angular Contact Ball Bearings
The successful implementation of air-oil lubrication in angular contact ball bearings requires a meticulous approach to system design. Several critical considerations must be taken into account to ensure optimal performance, longevity, and reliability of the bearings in various operational conditions. First and foremost, careful bearing selection is paramount. Engineers must evaluate factors such as load capacity, speed requirements, and the specific application environment. The choice of contact angle, bearing size, and configuration (single-row or double-row) directly impacts the bearing's ability to withstand the intended loads. Additionally, compatibility with air-oil lubrication systems should be considered during the selection process. The design of the lubrication system is equally crucial. The system must deliver a finely atomized mist of oil to the bearing contact area consistently. Achieving the right balance between air and oil flow rates, as well as controlling the size of the oil droplets, ensures an effective lubricating film is maintained. Engineers must also consider the integration of filters to prevent contaminants from entering the lubrication system, which could compromise bearing performance over time.Temperature control is another vital aspect of design. While air-oil lubrication inherently contributes to better heat dissipation, proper measures must be taken to monitor and control temperatures within acceptable limits. This involves selecting appropriate cooling mechanisms and ensuring that the lubrication system can adapt to variations in operating conditions.