... Chain Conveyor & Bucket Elevator 3.Widely used in Cement mill. Driven Sprocket / Drive Sprocket For Bucket Elevator, NSE100, NSE200, NSE300, NSE400 ... , FU150, FU270, FU350, FU410 ect....Order Information:1) Shaft Diameter (d=_?_mm) & Teeth Number (Z=_?_) to be provided ... , such as NSE200;3) Original Make to be mentioned4) Example: Driven Sprocket, NSE200, d=70mm, Z=19 ...