LJ100SOX Lovejoy Jaw Coupling Insert | L100 Series Elastomer Spider
- AR LJ100SOX is an elastomer “spider” insert for Lovejoy L100 jaw couplings engineered by Annovi Reverberi.
- Serves as the flexible link between two coupling hubs, transmitting torque while absorbing shock, vibration, and misalignment.
- Designed for industrial pump and motor systems where smooth, quiet, and reliable power transmission is critical.
Design & Material
- Constructed from a high-performance elastomer compound for excellent flexibility and wear resistance.
- Precision-molded to fit the three-jaw geometry of standard L100-series hubs with accurate alignment.
- Curved tooth profile distributes load uniformly across the jaws, avoiding stress concentrations and uneven wear.
- Non-conductive and corrosion-resistant, suitable for environments exposed to water, cleaning agents, and other corrosive substances.
Performance & Protection
- Absorbs torsional vibration and torque spikes, protecting pumps, motors, bearings, and seals from mechanical stress.
- Compensates for minor angular, parallel, and axial misalignments that naturally occur in rotating machinery.
- Reduces mechanical noise and backlash for smoother, quieter operation and improved system efficiency.
- Resists fatigue, compression set, and deformation for consistent torque transmission over thousands of operating hours.
Installation & Maintenance
- Installs easily: place the spider between the jaws of two aligned L100 hubs and secure the assembly—no special tools required.
- Lubrication-free design keeps the coupling clean and avoids contamination in sensitive systems.
- Modular construction lets technicians replace worn inserts without removing hubs or realigning shafts, minimizing downtime.
- Fail-safe jaw design maintains partial engagement even if the insert deteriorates, allowing temporary operation until replacement.
- Routine maintenance is limited to periodic visual inspection and quick replacement when wear, cracking, or hardening appears.
Typical Applications
- Pressure washer pumps and industrial cleaning systems.
- Hydraulic drives and power packs in mobile or stationary equipment.
- Manufacturing machinery, conveyors, and general industrial drive systems.
- Pump and motor sets in plant utilities, washdown, and process equipment.
Why Choose the AR LJ100SOX?
LJ100SOX Lovejoy Jaw Coupling Insert | L100 Series Elastomer Spider
- Engineered by Annovi Reverberi to tight dimensional standards for perfect compatibility with all L100-series hubs.
- Provides a cost-effective, maintenance-light solution for protecting drive components and extending system life.
- Delivers reliable, quiet, and stable torque transmission across a wide range of load and speed conditions.
- Ideal for technicians and engineers who need proven vibration damping, misalignment compensation, and long service life in a compact insert.





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