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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. The solid center design keeps the shafts of the driver and driven equipment separate by a standard gap. It can operate in temperatures ranging from -40 to 212 degrees F (-40 to 100 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.
JimmyM
2025-08-12 13:42:03
I used this on my vacuum pump that had a rubber torsion coupler that failed. The Lovejoy stuff is top quality and installed perfectly. Pump back in action and all is well. Price is reasonable too. So easy to order from Amazon rather than run all over town to end up ordering parts anyway.
D Poston
2025-08-06 16:24:56
hard to get correct fir
Wellcraft19
2025-08-05 09:02:24
Probably a very solid piece and glad Amazon had it, but what you see in the image is NOT the same as what you get.Key world is "Solid Center" which is what get, a center who's thickness is the same as the rest of the coupling, not "indented" (but in "indented" is in my eyes still "solid" as there are other couplings that have a hole that allow the axle to go all the way through.So what I ordered will now not work - until I possibly try to modify it to make the center thinner, or just get one that matches the image displayed.
Dominic
2025-07-31 15:29:56
Works like a charm on my CNC. perfect fit.
arthriticmama
2025-05-01 19:42:09
These beautifully replaced those that did not come with my used machine.
Geary Lyons
2025-03-08 12:32:35
Simply does the job it was designed to perform
Automations & Technics Inc.
2025-02-06 10:10:20
good
John H
2024-12-08 12:04:20
Worked as expected.
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