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如图所示的推力球轴承,其滚道为V型槽。轴承的滚珠与滚道有四个接触点,负载均匀分布在所有滚珠上。它具有摩擦阻力小、使用时不易
As shown in the thrust ball bearings, the raceway for the V-groove. Bearing ball and raceway has four contact points, the load evenly distributed on all balls. It has a small frictional resistance, easy to use