Slewing bearing for wading

The utility model discloses a wading slewing bearing and belongs to the technical field of slewing bearings, the wading slewing bearing comprises a slewing inner ring and a slewing outer ring, a sealing belt is arranged at the top end of the slewing inner ring, one end of the sealing belt abuts against the outer wall of the upper end of the slewing outer ring, and a sealing ring is arranged at the lower end of the slewing inner ring. The sealing ring comprises an upper sealing lip and a lower sealing lip, the inner side face of the upper sealing lip abuts against the side face of the bottom end of the rotary outer ring, and the inner side face of the lower sealing lip abuts against the bottom face of the rotary outer ring. The sealing structure has the effect of ensuring the sealing reliability of the sealing belt in the excavator. 本申请公开了一种涉水用回转支承，属于回转支承的技术领域，包括回转内圈与回转外圈，所述回转内圈的顶端设有密封带，所述密封带一端与回转外圈上端部的外壁相抵接，所述回转内圈的下端部设有密封圈，所述密封圈包括上密封唇与下密封唇，所述上密封唇的内侧面与回转外圈底端的侧面相抵接，所述下密封唇的内侧面与回转外圈的底面相抵接。本申请具有保证挖掘机内部密封带的密封可靠性的效果