LJ10078 Lovejoy Jaw Coupling 7/8″ Bore | Keyed Hub

LJ10078 Lovejoy Jaw Coupling Hub

The AR LJ10078 is a Lovejoy L100-series jaw coupling hub featuring a 7/8-inch bore and a 1/4 x 1/8-inch keyway.
It is engineered by Annovi Reverberi to deliver precise, vibration-damping, and balanced torque transmission in
professional pump and motor systems.

LJ10078 Key Features

• 7/8-inch precision-machined bore for accurate shaft fitment
• 1/4 x 1/8-inch keyway for secure mechanical engagement
• High-strength steel construction for durability and fatigue resistance
• Three-jaw Lovejoy L100-series design
• Transmits torque through an elastomer spider (sold separately)
• Compact size suitable for tight installations
• Corrosion-resistant surface finish

Performance Advantages

• Absorbs vibration and cushions mechanical shock
• Compensates for angular, parallel, and axial shaft misalignment
• Maintains balanced torque transfer and low runout
• Reduces noise and mechanical stress on connected equipment
• Protects pumps, bearings, seals, and motors from excess load
• Fail-safe jaw design allows limited torque transfer if elastomer wears

Construction & Quality

• Precision-machined for concentricity and jaw alignment
• LJ10078 Steel body retains dimensional stability under heavy loads
• Engineered to provide long service life in continuous-duty environments
• Inspected by Annovi Reverberi for tolerance accuracy and quality

LJ10078 Applications

• Hydraulic power units
• Pressure washers
• Compressors
• Industrial machinery
• Mechanical power transmission systems
• Fluid-handling equipment

Maintenance

• No lubrication required
• Elastomer spider can be replaced without removing hubs
• Routine inspection recommended for cracks, wear, or hardening of the insert