цилиндр галзуу холхивч нүүрсний тээрэм хэрэглэх
Double Row Cylindrical Roller Bearings. Introduction Double-row cylindrical roller bearings allow a certain axial displacement between the shaft and the bearing pedestal and can be used as non-positioning bearings.This kind of bearing has the advantages of compact structure, large rigidity, large bearing capacity, small deformation aft...