Rexnord Kop-Flex 1961523 2B FHUB Gear Coupling Hub is the hub component used in Kop-Flex gear coupling assemblies. Identified by Rexnord part number 1961523 and designated 2B FHUB, this hub serves as the central element in Kop-Flex gear coupling systems. It represents the specific hub configuration associated with part number 1961523 within the Kop-Flex family.
