价 格：400

单排四点接触球式回转支承由两个座圈组成，鑫达结构紧凑，转支重量轻，鑫达钢球与圆弧滚道四点接触，转支能同时承受轴向力，鑫达径向力和倾翻力矩，转支回转式输送机，鑫达焊接操作机，转支中小型起重机和挖掘机等工程机械均可选用。鑫达

The转支 single-row four points contact ball Slewing Bearing is composed of 2 seat-rings.It features compact in design,and light in weight.The balls contact with the circular race at four points,via which the axial force,radial force and resultant moment may be born simultaneously.

It may be used for slewing conveyors,welding arms and positioners,light,medium duty cranes,excavators and other engineering machines.