With the rapid development of machinery industry, the application range of single row ball slewing bearing (https://www.slew-bearing.com/Single-Row-Ball-Slewing-Bearing.html) has been gradually expanded, and slewing bearings have been widely used instead of original bearings. Construction machinery

The single row four piont contact ball slewing ring (https://)is composed of two seatrings.It features compact in design,light in weight,the balls contact with the circular raceway at four points,via which the axial force,radial force and resultant moment may be born simultaneously.It may be used fo