HS Series bearings are single-row four-point contact ball slewing bearings engineered for high load capacity and space efficiency. They deliver precise rotation under combined loads (axial, radial, and moment) in compact designs. Ideal for applications requiring a slim profile and reliable performance, such as material handling cranes, industrial rotators, and medium-duty machinery.
The single row four point contact ball slewing bearing is composed of two seat rings, which design in compact structure and light weight, steel ball contact with the circular raceway at four point, it can bear the axial force, radial force and the tilting moment at the same time.
It can be used for slewing conveyer, welding manipulator, light & medium duty crane, excavator, and other construction machinery.
Note:
1.n1 is the number of lubricating holes,evenly distributed,lubricating nipple M10*1JB/T7940.1-JB/T7940.2.
2.Mounting hole nΦ,may be replaced with screw hole,tooth width b may be taken as H-h.
3.Gear force of periphery given in the table is its maximum value,nominal force of periphery is taken 1/2 of the given value.
4.The spaceshift coefficient given in the table is the data of outer tooth,while that of inner tooth is +0.35.(need revise )





