Many customers will ask: What are the factors that affect the life of precision bearings? The analysis and summary of Sanli Xiaobian are as follows for you; 1. The fit between the shaft and the seat hole 2. The working temperature 3. The cleanliness of the working environment 4. The stress situation (also known as the load spectrum) 5. The lubrication situation Each of the above A slight difference in one item will 'greatly' affect the actual service life of precision bearings. For example, for the cleanliness of the working environment, according to the severity of pollution, the L10 life can be multiplied by a coefficient, which ranges from 0.1 to 20. The specific value is determined according to experience. In other words, this value may vary greatly among different people. The life of precision bearings is divided into calculated life and actual life. For the calculation of life, according to the projects encountered, a general rule is summarized, the accuracy is almost 50%, that is to say, the calculated life is 10,000 hours, and the actual life should be between 5,000-15,000 hours. For the actual life, that is, the service life, the easiest way is: do experiments. A relatively common practice in the automotive industry is bench testing and vehicle testing. It is to install your precision bearings on the assembly and run it, and the result will be whatever it is. In general, the actual result of bearing life is based on experiments, because there are too many influencing factors, and the selection of precision bearings is a process of compromise. For example, the clearance, the general selection will be greater than 0, the purpose is to make the starting torque and lubrication better, but in the machine tool spindle and high-precision rotary platform, the clearance is negative, the purpose is to improve the running accuracy. So analyze the specific situation. If you want to know how long the service life of precision bearings you need, you can contact our technical engineers at Sanli, and we can calculate for you based on your environment, operating scenarios, and actual data of precision bearings. (http://)
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