VE6 Square Tube Slewing Drive With 24V Motor Slewdrive For PV Tracking System Square Tube Slewing Drive Description A vertical self-locking worm gear slewing drive, commonly referred as a worm drive or slewing bearings, is a complete, ready-to-install system that consists of gear or slewing ring bearing, worm, base, and completely enclosed housing. It can be customized with hydraulic or electric motors, planetary gearboxes, AC motors, stepper motors etc. The VE6 square tube