... ,steering 3.BW66420005 worm bevel gear One set of BW66420005 worm gear have fitted bevel gear which meshes with cam bevel gear. It is compact ... great rotation ratio, load capacity, smooth rotation, and smaller noise. Worm gear have self-locking nature of its institutions, can play the ... high torque, high overloads capacity.2.Applicability: steering unit3.BW66420005 worm driving unit worm bevel gear