Non-captive Lead Screw Assembly – NEMA 11


The non-captive linear actuators from PBC Linear feature the only standard anti-backlash nut and lead screw assembly available off the shelf in a non-captive configuration. This feature offers the best positional performance available in a standard non-captive hybrid actuator.

  • Incorporates patented Constant Force Technology (CFT) anti-backlash nut
  • Greater than 2x superior backlash compensation
  • Consistent preload for the life of the nut
  • Self-lubricating polymer nut requires no added lubrication
  • PTFE coated or uncoated screws available
  • Lead accuracy of 0.003” / ft. is 3x better than typical screws
  • Designed for superior performance in linear applications