Timken QF50X1-1/4 Flexible Shaft Coupling Hub

The Timken QF50X1-1/4 QUICK FLEX coupling hub, a steel standard hub in Timken's QUICK FLEX series (size 50), is engineered to transmit torque while damping vibration and accommodating minor shaft misalignment in industrial power transmission. It features a finished 1-1/4 in bore with a 1/4 × 1/8 in keyway, a 2.16 in through-bore length, and a keyed mounting style that ensures secure shaft attachment and compatibility with Timken QUICK FLEX inserts and covers. This hub is commonly installed on electric motors, gearboxes, pumps, compressors, conveyors, and fans, and it's used across manufacturing plants, mining operations, water treatment facilities, HVAC systems, and material handling environments where dependable torque transmission, vibration damping, and simplified maintenance are essential.