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Line Shafting Line Shafting, With Keyway

ActionJac™ LinkJac™ Line Shafting is used to interconnect the input shafts of ActionJac™ Worm Gear Screw Jacks used in a multiple arrangement. The shafts transfer the torque from the motor to the jack or from jack to jack. LinkJac™ is available in either steel Line Shafting available in standard lengths up to 144”, or in aluminum
Tubular Shafting with bonded journals of stainless steel available in lengths up to 196”. Custom end machining and other diameters are available. 


There are two major concerns when selecting interconnect shaft:

  • Critical Speed: How fast will the shaft be turning?
  • Torsional Twist: How much torque will the shafts be transmitting?

The two characteristics of a LinkJac™ Line Shaft or Tubular Shafting which can be varied to accommodate these requirements are:

  • Length of the shaft
  • Diameter of the shaft

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Dimensions Product Info
Product OD - Outside Diameter Keyway Keyway Length Material Weight [lb/in]
ActionJac LinkJac LJK-8 0.5 1/8 x 1/16 Full Length Steel 0.056 Specs Configure/Quote
ActionJac LinkJac LJK-12 0.75 3/16 x 3/32 Full Length Steel 0.125 Specs Configure/Quote
ActionJac LinkJac LJK-16 1 1/4 x 1/8 Full Length Steel 0.223 Specs Configure/Quote
ActionJac LinkJac LJK-24 1.5 3/8 x 3/16 Full Length Steel 0.502 Specs Configure/Quote