Single row deep groove ball bearings are the most common type of rolling bearing and are used in a wide variety of applications.
单列深沟球轴承是球轴承中最普通的种类，应用及其广泛。
Single row deep groove ball bearings are the most common type of rolling bearing and are used in a wide variety of applications.
单列深沟球轴承是球轴承中最普通的种类，应用及其广泛。
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