The Falk (Rexnord) OSK09UB 1940663 Speed Reducer Shaft Kit is a replacement kit designed for the OSK09UB speed reducer from Falk Rexnord. It is used during maintenance or overhaul of Rexnord OSK-series reducers to restore the shaft assembly for the OSK09UB model. Part number 1940663 identifies the kit for this specific reducer configuration, supporting precise fit and compatibility in industrial power-transmission systems.
