D /mm Rear V-Ring extension (mm) G /mm Length of Brush Surface (mm) /qt Diameter of copper bar (qt) L+C /mm Copper bar length (mm) $0 Commutator’s cost, USD Calculate the cost ATTENTION , PLEASE! The cost of settlement is estimated in US dollars. The calculation result is not an offer and is read-only. Please submit an application or contact your manager for accurate settlement