The Rexnord 7300860 HQD hub is a rugged power‑transmission hub designed to mount pulleys or sprockets to a shaft in industrial drive systems. As part of Rexnord's HQD hub family, this unit carries the 7300860 part number and serves as a mounting interface for belt and chain drives in conveyors, packaging lines, and other automation equipment. Used wherever a reliable, rigid hub connection to a rotating shaft is required, it helps transfer torque between components while maintaining alignment and driveline integrity.
