Aggregate Industry

Lovejoy flexible couplings and power transmission products address critical operational issues that face today’s aggregate facilities. We provide solutions that are resistant to corrosion, require no lubrication, lower maintenance and downtime costs, and reduce noise levels – all with the quality, value and customer service you expect from Lovejoy.

Common Applications:

  • Shaker Screens
  • Excavators
  • Crawlers
  • Dozers
  • Drill Rigs
  • Compressors
  • Mining Trucks
  • Conveyors
  • Crushers
  • Skid Steer Loaders
  • Aerial Lifts

Lovejoy Products for the Aggregate Industry:


Jaw In-Shear 6 Pin Coupling

  • Jaw hubs, rings and elements stock items
  • Hub materials: sintered iron, stainless steel, and aluminum
  • Radially removable urethane insert and stainless steel locking ring
  • 2° angular misalignment
  • No tools needed to change element, fast and easy assembly
  • Bore sizes up to 9 inches
  • Non-lubricated replacement for a grid spacer coupling
Jaw In-Shear Coupling

Gear Couplings

  • Bore sizes from 7/16” to 44”
  • Special styles available, including spacer, floating shaft, and stainless steel
  • Interchangeable with industry standards
  • Torque capacity to 54,000,000 in-lbs
  • Vari-Crown® teeth increase coupling wear life
  • Type FL (labyrinth seal) is interchangeable with the industry standard
  • Type C (continuous sleeve) takes less space, yet features the high torque concentration of other gear couplings
  • High performance gear for extreme high speed applications, with reduced moment of inertia
Gear Coupling

Grid Couplings

  • Horizontal and vertical split cover designs
  • Interchangeable with industry standards up to size 1200
  • Available in 19 sizes with a maximum bore of 13” and a maximum torque of 1,500,000 in-lbs
  • Provides torsional damping
  • Drop-out spacers for pumps
Grid Coupling

RunRight® Motor Bases

  • Auto-compensates for normal belt stretch, resulting in lower power loss, overheating, and belt hopping issues
  • Dampens and minimizes harmful vibrations during start-up
  • Can extend belt life by 30% and simplify belt change overs
RunRight Motorbase

RunRight Tensioners

  • Designed to support or suspend vibratory equipment
  • Removes harmful resident frequencies that cause spring damage
  • Typical mount life is significantly longer than coil springs
RunRight Tensioners

Shaft Locking Devices

  • Zero backlash
  • No effect from dynamic, reversing or shock loads
  • Keyless locking of shafts to hubs
  • High torque transmission
  • Reduces maintenance time
  • Easy installation and disassembly
  • Adjustable for easy radial timing and axial alignment
Shaft Locking Devices