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Angular Contact Bearing
V Bearing Demo: Harsh Environments
Tips for Maximizing Bearing Life by Lois Ling
In our daily life, we can always find the application of bearings. That is to say, bearing plays an indispensable role in this world. A bearing is undoubtedly a useful device to allow constrained relative motion between two or more parts, typically rotation or linear movement. The most common bearing application is the support of a rotating shaft that is transmitting power from one location to another.
They have a lot of functions when at performance. The failure of bearing products can bring a lot of trouble as well as much cost to people, as a result, they do their efforts to maintain their products and maximize the bearing service life. In order to maximize bearing life, maintain proper gear mesh and provide correct rigidity and stiffness, you should use preload on pinion and ring gear shafts.
Bearings adjusted in preload are typical on pinion and ring gear shafts of heavy-duty axles. Preload is achieved by adjusting the bearings to a slight amount of bearing rolling torque. Rolling torque is a measure of a bearingâ??s resistance to rotate, indicating tightness in the bearing setting.
In order to provide proper system rigidity and stiffness, there are many things to do. A slight preload setting minimizes shaft bending, which lowers bearing misalignment and decreases seal wear. Likewise, axial shaft movement is minimized as vehicle operating conditions change from drive to coast. And to provide the correct bearing setting, gear mesh and system rigidity for your axle, you should always follow the axle manufacturerâ??s recommendation for the proper amount of bearing rolling torque on these shafts. Never exceed the recommended amount of preload, as excessive heat build-up will occur, followed by possible bearing burn-up.
In addition, to maintain proper gear mesh, a slight preload bearing setting assures that proper gear tooth contact is maintained between the pinion and ring gear. This minimizes gear wear and extends the tooth life of both gears. Debris in the axle system is reduced when gear wear is minimized.
Of course, the above mentioned tips are just a few that needs to be considered. There are still many others to which we should pay much attention. For instance, you should never spin a bearing with compressed air. The rollers may be forcefully expelled creating a risk of serious bodily harm. Thus, the proper maintenance and handling practices are critical.
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