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Lovejoy Grid Spacer Coupling, Shaft Hub , Inch

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69790406235 1020   4" 3.88" 422 in-lbs B004QX046M yes $46.76 Buy Options
69790406236 1030   4.33" 3.88" 1200 in-lbs B004QX04EY yes $52.18 Buy Options
69790406237 1040   4.63" 4.12" 2000 in-lbs B004QX04NU yes $21.59 Buy Options
69790406239 1060   5.93" 5.12" 5500 in-lbs B004QX056Q yes $109.56 Buy Options
69790406240 1070   6.37" 6.12" 8000 in-lbs B004QX05FW yes $102.19 Buy Options
69790406241 1080   7.64" 7.12" 16500 in-lbs B004QX05NY yes $197.82 Buy Options
69790406242 1090   8.39" 7.88" 30000 in-lbs B004QX062E Temporarily out of stock. Order now and we'll deliver when available. $186.99 Buy Options
69790406500 1020 0.625"   3.88" 422 in-lbs B004QX0430 yes $27.03 Buy Options
69790406501 1020 0.875"   3.88" 422 in-lbs B004QX043A yes $58.71 Buy Options
69790406502 1020 1"   3.88" 422 in-lbs B004QX043K yes $19.30 Buy Options
69790406503 1020 1.125"   3.88" 422 in-lbs B004QX043U yes $58.71 Buy Options
69790406504 1020 1.25"   3.88" 422 in-lbs B004QX0444 yes $87.48 Buy Options
69790406505 1020 1.375"   3.88" 422 in-lbs B004QX044E yes $58.71 Buy Options
69790406506 1030 0.875"   3.88" 1200 in-lbs B004QX04CG yes $95.58 Buy Options
69790406507 1030 1"   3.88" 1200 in-lbs B004QX04CQ yes $21.15 Buy Options
69790406508 1030 1.125"   3.88" 1200 in-lbs B004QOAS2G yes $64.15 Buy Options
69790406509 1030 1.25"   3.88" 1200 in-lbs B004QX04D0 yes $76.38 Buy Options
69790406510 1030 1.375"   3.88" 1200 in-lbs B004QX04DA yes $20.93 Buy Options
69790406511 1030 1.625"   3.88" 1200 in-lbs B004QX04DK yes $66.72 Buy Options
69790406512 1040 0.875"   4.12" 2000 in-lbs B004QX04LW yes $106.91 Buy Options

Key Features

  • For use with Lovejoy 1000 series grid coupling assembly (sold separately)
  • Open-style shaft hub for horizontal- or vertical-style grid coupling assemblies
  • Stamped steel for strength and durability
  • Supports constant angular misalignment of up to 0.25 degrees
  • Imperial unit measurements for industry consistency

Product Description

This Lovejoy 1000 series grid coupling assembly shaft hub replaces worn hubs on existing Lovejoy 1000 series grid couplings and is made of stamped steel for strength and durability. Grid couplings, a type of flexible coupling, use a flexible grid that fits into slotted hubs to transmit torque and offset rotational misalignment. The serpentine shape of the grid absorbs impact energy, reduces vibration, and transmits torque from one hub to the other through the grid. This grid is suitable for both horizontal and vertical-style coupling designs and uses imperial unit measurements for industry consistency and interchangeability. It has an operating temperature range of -40 to 250 degrees F (-40 to 121 degrees C). Together with the other component parts of the coupling assembly, the grid supports constant angular misalignments up to 0.25 degrees. It meets International Organization for Standardization (ISO) 9001 for quality assurance. Lovejoy 1000 series grid couplings are suitable for use in various industrial power transmission applications such as pumps, mixers, crushers, fans, compressors, conveyors, pulverizers, and other equipment found in the steel, pulp, paper, mining, aggregate, and construction industries.

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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