Lovejoy manufactures flexible couplings, universal joints, variable speed drives and various other transmission and mechanical power products. For use with Lovejoy jaw type flexible coupling assembly (sold separately) This Lovejoy solid type jaw coupling elastomer spider replaces solid center elastomers on Lovejoy jaw style flexible coupling assemblies and is made of Nitrile rubber for transferring and absorbing shock load. Their products meet the standards of the International Organization for Standardization (ISO), the Deutsches Institut für Normung (DIN), the American National Standards Institute (ANSI), the American Gear Manufacturers Association (AGMA), the Society of Automotive Engineers (SAE) and Japanese Industrial Standards (JIS) for quality assurance. Lovejoy L 190 Specs Lovejoy L150 Solid Type Jaw Coupling SOX/NBR Rubber Spider - Twin Lovejoy Nitrile Spider Nitrile rubber for transferring and absorbing shock load Lovejoy L190-1.375 Jaw Coupling WKeyway L1901375 - New No Box - Mara... The solid center design keeps the shafts of the driver and driven equipment separate by a standard gap. The company, founded in 1900, is based in Downers Grove, IL. Operating temperatures range from -40 to 212 degrees F (-40 to 100 degrees C) Lovejoy Spider Couplings 12274 Size L190 Solid Type Jaw Flexible couplings are used in a broad range of applications, such as in motor vehicles, conveyors, escalators, agricultural, forestry and mining equipment, aeronautics, robotics and space exploration, among others. This 1/4-ton electic chain hoist comes with a powe tolley fo smooth hoizontal movement and featues single-speed opeation. It suppots dual voltage input options (208240V o 440480V) with a 3-phase 60Hz powe supply, making it ideal fo light-duty industial applications that equie eliable and efficient lifting pefomance Shaft misalignments are generally either parallel or angular and cause complications to transmitting rotational power from one shaft to another in the form of stresses, loads, vibrations, and other forces, which vary from one type of misalignment to another. Flexible couplings are used to link two rotating shafts that are not aligned in order to transmit the rotational power, known as torque, from one shaft to the other.