Lovejoy 68514440744 Hytrel Sleeve Insert 3 in Oal

Product Description

The LOVEJOY 68514440744 is a flexible one-piece solid sleeve coupling insert made from Hytrel, a thermoplastic elastomer known for its resilience and resistance to fatigue under cyclic loading. Belonging to the Series JE lineup, this sleeve accommodates bore diameters from 7/8 inch up to 2-3/8 inches and measures 3 inches in overall length with a 6-inch outside diameter. It is rated for up to 7,200 inch-pounds (813.49 N/m) of torque. The sleeve is installed by mechanical technicians and industrial maintenance professionals in power transmission applications where vibration damping and misalignment tolerance are required.

This sleeve insert is suited for use in industrial and commercial drive systems where a flexible jaw-type coupling is needed. It fits between two coupling hubs and absorbs shock loads while transmitting torque between shafts. Typical installations include pump drives, compressor drives, conveyor systems, and other rotating equipment that benefits from a resilient elastomeric element. The one-piece solid sleeve design simplifies installation and replacement compared to multi-segment spider elements.

Key Features

• Hytrel thermoplastic elastomer construction for fatigue resistance and flexibility
• Accommodates bore diameters from 7/8 inch to 2-3/8 inches
• 6-inch outside diameter with 3-inch overall length
• Torque rating of 7,200 inch-pounds (813.49 N/m)
• One-piece solid sleeve design for straightforward installation and removal
• Series JE, Coupling Size Code 9

Compatibility

Designed for use with Series JE jaw-type coupling hubs in the applicable size range, as specified by LOVEJOY for Coupling Size Code 9 configurations accepting bore diameters from 7/8 inch to 2-3/8 inches.

Installation Notes

Installation is performed by qualified mechanical or industrial maintenance technicians. De-energize and lock out all power to the drive system before servicing the coupling. Ensure both mating coupling hubs are properly aligned within the manufacturer-specified angular and parallel misalignment limits before seating the sleeve. Do not exceed the rated torque capacity of the sleeve, and inspect the elastomeric element periodically for wear, cracking, or deformation during routine maintenance.