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Huco 047.20.2222.Z Size 20 Flex-P Double Loop Elastomer Coupling, Hytrel with Steel Hubs, Inch, 0.236' Bore A, 0.236' Bore B, 0.79' OD, 1.89' Length, 20.09 in-lbs Max Torque

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$5.99

$ 2 .99 $2.99

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  • Thermoplastic polyester elastomer double loop element for strength, flexibility and heat resistance
  • Double loop flexing element accommodates angular, radial and axial misalignment to address a variety of misalignment scenarios
  • Hubs and fasteners are steel alloy for strength and durability
  • Operating temperatures range from -40 to 212 degrees F (-40 to 100 degrees C)
  • For transmitting rotation in small drive applications that only require standard tolerances


This Huco Flex-P double loop elastomer coupling has a double loop element made of a thermoplastic polyester elastomer (Hytrel) for strength, flexibility and heat resistance. This flexible element can accommodate angular, radial and axial misalignment to address a variety of misalignment scenarios. The hubs and fasteners are steel alloy for strength and durability. This double loop elastomer coupling can operate in temperatures ranging from -40 to 212 degrees F (-40 to 100 degrees C), supports up to 3000 revolutions per minute, and is for transmitting rotation in small drive applications that do not require precise tolerances. The coupling is suitable for use with small generators, pumps, and light power drives, 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.

Huco Dynatork manufactures couplings, piston air motors, brakes, clutches, gear boxes and other transmission products. The company, founded in 1965, meets the quality assurance standards of the British Standards Institution (BSI), the International Organization for Standardization (ISO) and the Deutsches Institut für Normung (DIN), and is based in Hertfordshire, England.


Birck
Reviewed in the United States on February 13, 2015
I haven't actually put this device into action yet, but it appears to have enough rigidity to keep two shafts aligned, and enough flexibility to serve as a mid-shaft hinge. I will be comparing it to some other, conventional metallic U-joints. One unique feature of this joint is its additional ability to flex along the shaft axis, bringing the two shaft sections closer together. For my application, that is a plus. My only reason for four rather than five stars is uncertainty-I haven't actually tried it yet. I'll update the review when that happens.