Thrust ball bearings consist of ball, retainer and both shaft and housing washers which contain grooves for the ball.
推力球轴承包括球，保持架和两轴和轴承座垫圈其中所包含的球槽。
Structure and features of linear bearing is a shell, special ball, retainer ring or a ring with both ends of the card formed.
构造与特点直线轴承是由壳体、专用钢球、保持器与两端卡环或密封圈所组成。
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