Ballscrew actuator that we ordered through Kiwi Motion looks and performs great. Swiss quality!
Well Specified Linear Actuators
The actuator runs smoother and quieter than previously used actuators. Also, it runs faster from start, so we can drive faster.

Superb service from start to finish
I can just tell Kiwi what I need and I can trust they will go away and sort the right product at the right time.

Well packaged Linear Shafts
Well packaged item, as described and dispatched quickly. Thank you
High Quality Linear Rail and Guides
We received the new components on the Wednesday afternoon and installed them the following morning. Parts were perfect and of great quality!
That you kindly for your assistance, fantastic service you’re running over there!

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Product Details

Ø5mm CF53 Chrome Plated Induction Hardened Linear Bearing Shaft – KM-WV-5
Precision shaft for compact linear motion with enhanced corrosion resistance
The KM-WV-5, 5mm chrome plated linear bearing shaft from Kiwi Motion combines precision engineering with enhanced durability for harsh environments.
With a 5mm diameter and a high-surface-hardness chrome plated finish, this shaft is ideal for compact automation systems and small-scale machinery where both precision and corrosion resistance are essential.
Each 5mm chrome plated shaft is manufactured from CF53 steel and induction hardened to achieve a surface hardness of at least 62 HRC.
The shaft is then chrome plated, providing excellent resistance to corrosion, moisture, and chemical exposure.
This makes it a reliable choice for systems subject to humidity, coolant spray or washdown procedures.
The linear bearing shaft is precision ground to an h7 tolerance, with roundness held within 5 µm and straightness within 0.25 mm per metre. This ensures smooth, low-friction motion and long-term accuracy even in demanding environments.
Applications for 5mm chrome plated linear bearing shaft
The 5mm KM-WV-5 shaft is particularly well suited to compact linear motion assemblies where space, weight, and corrosion resistance are key considerations. Typical applications include:
- 3D printers and compact automation platforms
- Lightweight CNC machines and router sleds
- Laboratory and scientific equipment exposed to moisture
- Food processing and packaging machinery requiring washdown capability
- Outdoor inspection and positioning equipment
Thanks to its chrome plated surface and high wear resistance, the KM-WV-5 maintains precision motion over long service cycles, even in harsh environments where un-plated shafts would quickly degrade.
Custom Lengths and End Machining Options
Each 5mm chrome plated linear bearing shaft is cut to your exact specified length, with a precision tolerance of ±0.1 mm. This allows fast and accurate integration into both new builds and retrofit systems.

Compatible with Kiwi Motion’s Bearings and Shaft Supports
The 5mm chrome plated shaft is fully compatible with Kiwi Motion’s linear bearings, ensuring a perfect fit and reliable long-term performance.
This simplifies system design and ensures smooth, repeatable motion, even in demanding environments.
For compact linear motion systems requiring corrosion resistance, high surface hardness, and lasting precision, the KM-WV-5 offers an outstanding solution.
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