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Home / Bearings & Bushings / Domestic Precision Miniature Linear Guide Rail Slider Bearing MGN/MGW Interchangeable with Imported HIWIN Linear Rails

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Model Series MGN12 / MGN15 / MGW9 / MGW12
Material GCr15 Bearing Steel
Precision Grade P Grade (High Precision)
Surface Treatment Black Oxide Coating
Rail Hardness 58-62 HRC
Carriage Style Flanged (MGN) / Square (MGW)
Compatibility HIWIN MGN/MGW Series
Manufacturing Origin Domestic
Pre-Lubrication Lithium Complex Grease
Typical Applications CNC, 3D Printers, Automation

5 reviews

A

Anonymous

Apr 13, 2026

Rating: 4/5

Good value alternative

Works well for my project but shipping took a bit longer than expected. Quality is solid though.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Perfect for my CNC upgrade

Smooth motion and great build quality. The rails arrived well packaged and fit perfectly on my machine.

A

Anonymous

Feb 25, 2026

Rating: 5/5

Very quiet operation

Noticed less noise compared to old rails. The pre-greased carriages save time during installation.

A

Anonymous

Feb 21, 2026

Rating: 5/5

Exactly as described

Compatible with my existing HIWIN setup without any modification. Very happy with the precision.

A

Anonymous

Feb 14, 2026

Rating: 4/5

Solid construction

Hardness seems accurate and the fit is good. Would recommend for hobbyist automation projects.

5 FAQ

Q: Can I order custom rail lengths?

A: Custom lengths are available upon request via customer service.

Q: What grease is used for pre-lubrication?

A: We use standard Lithium Complex Grease suitable for most conditions.

Q: How are rails protected during shipping?

A: They are wrapped in anti-rust paper and shipped in sturdy protective tubes.

Q: Is this fully compatible with genuine HIWIN carriages?

A: Yes, our dimensions match HIWIN standards ensuring full compatibility.

Q: What is the mounting hole pitch?

A: Please refer to the technical drawing in the product images for specific measurements.

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