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Lovejoy 35359 Size 4JE Solid Design S-Flex Coupling Sleeve, EPDM Rubber, 2.31" OD, 1.25" Elastomer Length, 120 in-lbs Nominal Torque

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Product Specifications
Angular Misalignment
1  Degrees
Bore Depth
1.25  inches
Max Rotational Speed
7600  RPM
Number of Items
Outside Diameter
2.31  inches
Overall Length
1.25  inches
Parallel Misalignment
0.062  inches
Part Number
120  Inch Pounds
Trade Size
Specification for this product family (See all  products)
Material Type
EPDM (Ethylene Propylene Diene Monomer Rubber)
Brand Name
System of Measurement

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Key Features

  • For use with Lovejoy E type S-Flex series flexible coupling assembly (sold separately)
  • EPDM synthetic rubber for transferring and absorbing shock load
  • Teeth help distribute the torsional load across the sleeve and flanges, reducing wear and extending service life

Package Details

Shipping Weight: 0.13 pounds
Package Size: 2.6 x 2.5 x 1 inches

Product Description

This Lovejoy solid design S-Flex coupling sleeve is for use on the Lovejoy S-Flex series flexible coupling assembly and is made of an ethylene propylene diene monomer (EPDM) synthetic rubber for transferring and absorbing shock load. It is a single, solid piece for applications where the coupled shafts are not difficult to separate, and its teeth help to distribute torsional load across itself and the flanges, reducing wear and extending service life. Lovejoy S-Flex series flexible couplings are suitable for use in applications requiring torsional flexibility and the capacity to withstand shock loads and vibration, including blowers, compressors, conveyors, dredges, feeders, generators, mills, and presses, 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.

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