TB Wood's 3J-1/2 Sure-Flex Coupling Hub Flange

The TB Woods 3J Sure-Flex Coupling Hub Flange with a 1/2 in bore is an industrial flexible shaft coupling that transfers torque between rotating shafts while dampening vibration in power transmission systems. Commonly used in pumps, conveyors, compressors, industrial motors, and other mechanical drive assemblies, it helps maintain shaft alignment and reliable torque transfer under shock and load variations in demanding environments. Key specifications include Brand: TB Woods; Series: 3J; Bore Size: 1/2 inch; Mounting Type: bore-mounted shaft connection; Function: shaft coupling and torque transmission; Applications: industrial mechanical drive systems; Compatible Equipment: motors, pumps, conveyors, and compressors; Construction: industrial-grade metal; Operating Environment: continuous-duty industrial applications. Common replacements include Lovejoy Flexible Coupling Hub, Browning Sure Grip Coupling, and Martin Flex Coupling Hub.