Ball screw and lead screw linear assemblies are precision linear motion systems that use a rotating threaded rod and matching threaded, non-rotating nut to create controlled, repeatable linear movement. They can be configured with NEMA motors, hand cranks, or hand-adjustment knobs.
Ball screw assemblies use recirculating steel balls inside cylindrical or flanged nuts to convert rotary motion into efficient linear motion. This rolling contact design supports higher speeds, longer service life, and consistent lead accuracy along the full screw length, making ball screws a strong choice for applications that require precision, durability, and smooth performance.
Lead screw assemblies are a more cost-effective motion solution that use a threaded screw and matching nut to convert rotary motion into linear movement, often with PTFE coatings to reduce friction and flaking. They are ideal for applications where simplicity, reliability, and controlled positioning are the priority. They are available with Round, Triangular, or Rectangular Constant Force Anti-Backlash Nuts, which are designed specifically for lead screw systems and are not compatible with ball screws. These anti-backlash nut designs maintain low backlash throughout service life, outperforming competing options by 2–4 times.
Lead screw technologies benefit from self-lubricating nut materials that help reduce maintenance needs and support reliable performance in demanding environments. Together, they offer flexible linear motion solutions for a wide range of load, speed, accuracy, and budget requirements.
Buy Ball Screw and Lead Screw Assemblies
