External Slewing Gear Ring

Tower crane slelwing gear ring 131.25.560 Brif introductions of tower crane slewing ring bearing 131.25.560 Slewing ring bearings can accommodate axial, radial and moment loads acting single or in combination and in any direction. They are not mounted in a housing or on a shaft, but directly to a seating surface. The inner and outer ring are supplied with mounting holes. Both rings may have integral gears. They are also referred to as slewing rings and tabletop bearings. Slewing ring bearing can perform oscillating (slewing) as well as rotating movements. They may be used without gears or with internal or external gears. Following the drawing of customers' design. There are ball bearing, roller bearing and ball-roller bearing at type; There are single-row, double-row and three-row at structure. With teeth and without teeth on conduction(outer or inner ring); At dustproof and leak grease proof type, with airproof and without airproof. At mounting with flanged(outer or inner ring), with bolt hole and without flanged. Single-row four point contact ball slewing ring:
010(no gear) 011.012(external gear) 013.014(internal gear)
HSB(no gear) HSN(external gear) HSW(internal gear)
QN(no gear) QU(extrnal gear) QW(internal gear)