Roller type thrust bearing can give simple design structure and easy to maintain and lower requirement of it's lubrication condition, but give shorter using life comparatively.
球面辊子推力轴承结构简单，对环境要求相对比较低，但寿命较短。
When thrust must Be accepted, the tapered roller Bearing of the type sketched in Fig. 9. 3 (B) is employed.
当必须承受轴向力时，则用图9.3 (b)所示的圆锥滚于轴承。
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