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This Lovejoy open center type jaw coupling elastomer replaces open center elastomers on Lovejoy jaw style flexible coupling assemblies and is made of thermoplastic polyester elastomer (Hytrel) for strength, flexibility and heat resistance. The open center design allows for the shafts of the driver and driven to be positioned within a short distance of each other but has a lower RPM capacity than solid center elastomers. It can operate in temperatures ranging from -60 to 250 degrees F (-51 to 121 degrees C). Lovejoy jaw style couplings are a type of flexible coupling suitable for use in various industrial power transmission applications such as compressors, blowers, pumps, conveyors, mixers, and gear boxes, among others.
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. Most flexible couplings consist of two hubs and a middle assembly; each hub attaches to a shaft while the middle assembly flexes between the hubs to accommodate the misalignment of the two shafts. 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 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.
Lovejoy manufactures flexible couplings, universal joints, variable speed drives and various other transmission and mechanical power products. 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. The company, founded in 1900, is based in Downers Grove, IL.
S C
Reviewed in the United States on July 25, 2020
Works just live advertised. Even during setup when I had misalignment the spider held the couplings together and ran
MusicManiac998
Reviewed in the United States on January 12, 2020
I used this to replace a wrecked on on a coupler on my snowblower for my Cub Cadet riding mower. I measured the old one to make sure I had the right size. It fits and works great!
Calipete
Reviewed in the United States on April 12, 2019
I'm not sure why, but I thought this was going to be made of a very pliable polymer. It was, in fact, quite hard. I still give it a 5-star rating because it fit well, it is quite tough, and it quieted the pump down to normal operating volume.
john
Reviewed in the United States on August 31, 2014
Used on log splitter have not used it but seemed very good
Al J. G
Reviewed in the United States on December 1, 2014
It was the right fit for my jaw coupling hub.
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