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Using spline connection between the screw axis, and to ensure that the spline shaft interchangeability, easy maintenance, intermediate bearing bearing a PM materials, has the extremely high self lubrication and wear resistance, the intermediate shaft and shaft sleeve is made of super wear resistant material, long service life, is used by another kind of powder metallurgy die casting oil bearing, which used in the occasions of high temperature.  

Shell type: "O" or "U";  

Spiral form: shaftless, single or multi-axis;