Slewing Bearing For Tower Crane
Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane". , concrete, steel pipes and other construction raw materials. The tower crane is an indispensable equipment on the construction site.The slewing bearings used in tower cranes are generally single-row ball slewing bearings. The main function is to connect the standard section base and the cross arm, control the rotation of the cross arm, and carry a certain axial force and overturning moment.