TPA is a Manufacturer & Distributor of

Linear Motion Products and Linear Positioning Systems

We Design and Manufacture OEM Custom systems and subassemblies.

To see samples of our work click the link below.

Our focus is on high precision compact or miniature linear motion systems.  We provide engineers and designers with the widest variety of components and subassemblies for high precision dynamic (both linear and rotary) motion applications. The Precision Alliance (TPA) answers the ever-increasing demand for higher precision, lower costs, and superior quality.

Email or call us to discuss your application or click on links below to see more!

Cam Roller Guides

Linear Guides

  • Standard Recirculating Type
  • Miniature Recirculating Type
  • High Load Capacity
Crossed Roller Bearing SET

Crossed Roller Bearings

  • Anti Cage Creep (ACC)
  • High Accuracy & High Stiffness
  • Compact Design & Smooth Motion
Ball Screws

Ball Screw Assemblies

  • Precision Ground Screws
  • Precision Rolled Screws
  • Stainless Steel Screws
Cam Roller Guide Products

Cam Roller Guides

  • Heavy Duty
  • Economical
  • ...
Telescopic Linear Guides

Telescopic Guides

  • High Payload Capacity
  • Drawer Slide Type
  • Self Lubricating
Linear Actuators

Linear Actuators

  • MiniBot Economical Actuator
  • Integral Stepper or Servo Motor
  • Up to 500 mm Travel
Precision Slides

Precision Slides

  • Compact Crossed Roller Slides
  • X-Y Modular Capabable
  • High Temperature Available

Curved Rail Guides

  • 90 Degree Turn
  • 180 Degree Turn
  • Straight Sections up
    to 1220 mm Long
Rotary Turntable Bearing

Rotary Bearings

  • Ultra Low Profile
  • Super Precision
  • Tapped Bolt Holes
Slew Drive Bearing Assembly

Slew Drive Bearings

  • Worm Gear Drive
  • Ball Bearing Slew Ring
  • Splined Input
Miniature Couplings

Shaft Couplings

  • Servo or Stepper Motor
  • Miniature Sized
  • Flexible Beam Type
XYZ Custom Design System

Custom Systems

  • OEM Production
  • Sub Assemblies
  • Special Designs

To visit our Linear Positioning Systems website to see our "custom" capabilities.