
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.



