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Bundle of smooth 5mm x 500mm round linear shafts on a white background

Linear Shaft 5mm -.002mm/-.003m x 500mm

$8.99
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5mm × 500mm precision linear shaft for compact motion assemblies. This smooth round shaft is sized for standard 5mm ID linear bearings and small 3D-printer motion projects, including ERCF-style hardware where a 5mm guide shaft is called for.

Why use this shaft

  • 5mm nominal diameter for 5mm linear bushings/bearings and other matching motion hardware.
  • 500mm length gives room to cut down for shorter custom runs instead of being locked into one finished length.
  • Original DFH spec lists a tight undersize tolerance of -0.002mm / -0.003mm for a controlled sliding fit.

Specifications

  • Diameter: 5mm nominal
  • Length: 500mm
  • Fit: standard 5mm ID linear bearings / bushings
  • Style: smooth round linear shaft / guide rod
  • Quantity: 1 shaft

Fitment and related parts

Use it for small printer motion, filament-system, and jig builds where a 5mm smooth shaft is required. It is a useful spare alongside Enraged Rabbit Carrot Feeder hardware and the ERCF shafts and threaded rods set. If you need a motor-style flattened output shaft instead, use the 5mm D-cut shaft instead.

What it is not

  • Not an 8mm smooth rod.
  • Not a D-cut motor shaft.
  • Not threaded rod, rail, bearing, or a kit.
  • Material, hardness, and manufacturer are not labeled on the part; verify before using it in a high-load industrial linear-bearing application.

Pairs well with