是可分离型轴承，只能承向载荷。单向轴承只能承受一个方向的轴向载荷，双向轴承能承受两个方向的交变轴向载荷。推力球轴承在工作中必须加以轴向预紧。它们主要适用于机床主轴、汽车离合器、减速机等。双向推力角接触球轴承适用于机床主轴，单向推力角接触球轴承适用于丝杠支承。
      Push dint ball bearings
      BE to separate a bearings, can accept to carry a lotus.One-way bearings the stalk that can bear a direction to carry a lotus, the double can bear hand over of two directions to change stalk toward the bearings to carry a lotus.Push dint ball, the bearings has to take into stalk in the work to prepare tightly.They mainly are applicable to a tool machine principal axis, car clutch and decelerate machine etc.. Double to push the dint Cape contact ball bearings to be applicable to a tool machine principal axis, one-way push the dint Cape contact ball bearings to be applicable to silk Gang to accept.