... , Rubber Bellows, Electric Motor, Hand Wheel, Inverter, Limited Switches, Linking Shaft, Coupling, Pillow Block Bearing, Counter, Bevel Gearbox, Swivel Plate and Trunnion ... : stainless steel) * Worm Gear: phosphor bronze (optional: zinc alloy) * Worm Shaft: heated treated steel C45 (optional: stainless steel) * Bearing: taper roll ...