... ,20T,30T,40T,50T,100T 2.Configuration: worm shaft,worm gear,bearing,oil seal 1.Model: RN-0.5T,1T,2T ... ,15T,20T,30T,40T,50T,100T2.Configuration: worm shaft,worm gear,bearing,oil seal,housing and lifting Screw3.Function: Elevating, Lowering ... ,Ordinary Motor,hand wheel,rubber Bellows,steel cover,bevel gearbox,frequency-inverter,brake,trunnion base,limit switches,coupling,link shafting.12.Application ...