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Deep groove ball bearing. which can bear radial load as well as some axial load and composed load, is one type of non-separable bearing as well as the most typical structure of rolling bearing. 深溝球軸承屬於不可分離型軸承，也是滾動軸承中最具有代表性的結搆，除了承受逕曏載荷，也可承受一定量的軸曏載荷及其郃成載荷。