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thrust ball bearing
thrust ball bearing is a kind of separation type bearings,shaft circle,seat ring may and maintain shelf,steel ball component separated.shaft with circle is Axis collar,seat combined with circle is combined bearing hole between the collar,and axis;a gap.
thrust ball bearings can only carry axial load,i.e one-way thrust ball bearings can only carry a direction axial displacement,two-way bearing can limit make the axial displacement of two directions.
thrust ball bearing 51203