This kind of machine, like forklift rotary parts and baler, they need slew bearings with preload, means the rotation need some resistant before rotate.
SWBTEC slew gear for this application always do axial and radial clearance with negative, like -0.05mm~0.00mm.
This special clearance need slew gear has strict production procedure control and inspection, especially the raceway grinding and raceway clearance control, while our engineer has finished this procedure and our gear ring production procedure for this kind of ring bearing turntable application has been verified and get good reputation from our customers.
The SWBTEC has manufactured many gear ring for packing machine all around the world.