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  • Ruland FSR24-8-8-A Set Screw Beam Coupling, Polished Aluminum, Inch, 1/2" Bore A Diameter, 1/2" Bore B Diameter, 1-1/2" OD, 2-1/4" Length, 190 lb-in Nominal Torque
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by Ruland

Ruland FSR24-8-8-A Set Screw Beam Coupling, Polished Aluminum, Inch, 1/2" Bore A Diameter, 1/2" Bore B Diameter, 1-1/2" OD, 2-1/4" Length, 190 lb-in Nominal Torque


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Specifications for this item
Brand Name Ruland
Part Number FSR24-8-8-A
UPC 634529011713
Material Type Aluminum
System of Measurement Inch
Bore Diameter 1/2  inches
Overall Length 2-1/4  inches
Max Torque 190  Pounds Per Inch
Size 1/2 inches
EAN 0634529011713
Number of Items 1
Outside Diameter 1-1/2  inches
UNSPSC Code 31163000

This Ruland polished aluminum set screw six beam coupling is intended for u... Read full product description



Product Features

  • Six beam coupling for use in angular, parallel, and axial misalignment scenarios requiring zero backlash
  • Polished aluminum for less weight and quicker response time than stainless steel
  • Set screw mounting style installation
  • Single-piece coupling for longer service life than couplings with moving parts
  • Operating temperatures range from -40 to 225 degrees F

Product Details

Comparison Guide [278kb PDF]

Product Description

This Ruland polished aluminum set screw six beam coupling is intended for use in angular, parallel, and axial misalignment scenarios requiring zero backlash and less weight and quicker response time than a stainless steel coupler has. Beam couplings, a type of flexible coupling, use one or more spiral slots cut in a single piece of metal rod to form a "spring" center section, referred to as a helical coil or beam. The beam portions of the coupling flex to accommodate misalignment while continuing to convey power between the attached shafts. With six beams, each flex point corrects for a specific misalignment, which helps prevent stress on shaft bearings. This beam coupling corrects angular misalignment up to 3 degrees, parallel misalignment up to 0.030", and axial motion up to 0.015". This beam coupling's single-piece construction provides longer service life than couplings with moving parts. Set screws lock the coupling onto the shafts. The polished aluminum coupling is resistant to corrosion and can operate in temperatures ranging from -40 to 225 degrees F. This Ruland set screw six beam coupling is suitable for use in power transmission applications such as encoders, stepper drives, and servo drives.

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.

Ruland manufactures shaft collars, rigid couplings, and zero-backlash motion control couplings. The company, founded in 1937 and headquartered in Marlborough, MA, complies with Restriction of Hazardous Substances (RoHS) and Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) standards.


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