Lovejoy 69790405463 Flexible Hub Coupling 1-1/8 in Bore

Product Description

The LOVEJOY 69790405463 is a flexible hub coupling designed to connect rotating shafts in mechanical drive systems while accommodating minor misalignment and reducing shock loads between components. Built from alloy steel, this hub accepts a maximum bore diameter of 1-1/8 inches and measures 1.88 inches in outer diameter. It carries a coupling size code of 1020 and is rated for operation up to 6000 RPM. Flexible hub couplings of this type are installed by millwrights, mechanical contractors, and maintenance technicians working on pumps, compressors, fans, and similar rotating equipment.

This coupling hub is suited for industrial and commercial drive train applications where shaft-to-shaft power transmission is required. Typical installations include pump sets, conveyor drives, HVAC blower assemblies, and light industrial machinery. The alloy steel construction handles the torque and speed demands common in these environments. This is a single hub component; a complete flexible coupling assembly requires a matching hub and a flexible insert element.

Key Features

• Maximum bore diameter of 1-1/8 inches accommodates a range of shaft sizes up to that dimension
• Outer diameter of 1.88 inches suits compact drive configurations
• Alloy steel construction provides strength and durability under rotational loads
• Rated to 6000 RPM for use in moderate- to high-speed drive applications
• Coupling size code 1020 for cross-referencing with standard jaw coupling series components

Compatibility

Designed as an OEM-style flexible hub coupling in the 1020 coupling size series, compatible with matching 1020-series hubs and flexible spider insert elements for complete jaw-style coupling assemblies.

Installation Notes

Installation should be performed by a qualified millwright or mechanical technician. Ensure all connected equipment is de-energized and locked out per OSHA lockout/tagout procedures before beginning work. Shafts should be clean and free of burrs before pressing or sliding the hub into position, and set screws should be torqued per the coupling manufacturer specifications found on the product documentation. Verify shaft alignment after installation to prevent premature wear on the flexible insert element.