Rexnord 12A8086 Falk 16B coupling hub (also cataloged as 7171) is the hub component of Rexnord's Falk 16B elastomeric coupling family, featuring a 4.6220 in dimension in distributor listings. It is designed to mount on a shaft to accept the matching Falk 16B sleeve, forming the hub half of a power transmission connection. Used in industrial drive systems to connect two shafts through the Falk 16B coupling assembly, this hub supports reliable torque transmission when paired with the corresponding elastomeric element and hardware.
