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Shaft Support Rails

Thomson Shaft Support Rails

Support rails are used for continuous shafting support and can be used horizontally or vertically.  They are available in several different types based on your application loading and envelope needs.  These supports come standard available from stock and are made to simplify shaft mounting.  Shaft supports eliminate many problems encountered in designing and manufacturing custom shaft supporting devices.  Unlimited travel lengths and mounting hole flexibility is another reason why Thomson support rails are right for any application.


Shaft Support Rail Specifications:

Support Rail Style Imperial Type (in) Metric Type (mm)
Sizes .25" - 3" 12mm - 40mm
Support Types Standard
Low Profile
Low Profile
Support Hole Spacing None
Support Materials Aluminum
Carbon Steel
Ductile Iron
Carbon Steel

Shaft Support Rail Highlights:

  • Low envelope LSR type available for compact, rigid linear motion systems
  • Extra XSR rigid ductile iron type available for maximum system rigidity
  • Available with industry standard pre-drilled radial holes drilled to match Thomson drilled and tapped shafts (PD)

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Nominal Diameter

Tolerance Class





X Dimension


CAD Models

  • Configurable 2D/3D Partstream Models
  • Configurable 2D/3D Solidcomponents Models
  • Configurable 2D/3D PartServer Models
  • Static 2D/3D Model file downloads

NOTE: Please use Internet Explorer 11, Edge, Firefox, or Google Chrome with Edrawings Viewer

Partstream Interactive Viewer Instructions:
1) Select a product from the table below and Configure your model to the right of the viewer that appears.
2) Click the Create button at the bottom of the configurator and wait for model to load (may take a few minutes).
3) Click the Download tab and login to your account if requested (or register as a first-time user).
4) Select a format, wait for the file to be created (may take a few minutes), and click the Download button.

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