Magic Dragon 9mm Linear Guide MGN9 Rail with Block 100-1000mm

4.4 · 37 reviews
Price range: $8.90 through $54.84
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High precision 9mm linear guide MGN9 rail with slider block for CNC and 3D printers.

  • Available in multiple lengths 100-1000mm
  • Includes 1 slider block and 1 guide rail
  • Light preload design for smooth motion
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Estimated Delivery Time3–7 business days

Precision linear movement with Magic Dragon MGN9

Experience smooth and accurate motion in your CNC or 3D printer with Magic Dragon's 9mm linear guide rail and slider block combo. Known for high quality and precision, this linear guide is engineered to provide excellent stability and long-lasting durability in your applications.

Customizable length options for versatile applications

Available in multiple rail lengths ranging from 100mm to 1000mm, with customized sizes supported up to 2000mm, you can select the length that fits your project requirements perfectly.

Light preload slider block design

The MGN9 slider block features a light preload, offering a balanced combination of smoothness and rigidity. If the block feels stiff initially, simply operate the carriage a few times and apply lubrication to enhance fluidity.

  • Light preload improves stability
  • Easy to maintain smooth motion
  • Lubricant recommended for best performance

Premium build and compatibility

Constructed to high standards by Magic Dragon, this linear guide is ideal for CNC and 3D printer setups requiring precise linear motion control.

Key specifications

  • Guide width: 9mm
  • Package includes 1 guide rail and 1 slider block
  • Light preload design
  • Lengths available: 100-1000mm, custom up to 2000mm
  • Origin: Mainland China

What's in the box

  • 1 pcs 9mm MGN9 linear guide rail
  • 1 pcs MGN9 slider block
Product FAQ

Frequently asked questions

01 What does the package include?

Each package contains one slider block and one 9mm guide rail.

02 What sizes are available?

Linear rails are available in lengths from 100mm up to 1000mm, with custom sizes supported up to 2000mm upon request.

03 What type of preload does the MGN9 block have?

The MGN9 uses a light preload design, not a no preload.

04 What should I do if the block feels hard to move?

Press the carriage and move it several times, and you may apply lubricant on the rail or inside the carriage for smoother movement.

05 Are black slider blocks available?

Yes, black blocks can be purchased separately through a provided link.

06 What brand manufactures the linear guide?

The linear guide rail and block are manufactured by Magic Dragon.

07 Is this product suitable for CNC and 3D printers?

Yes, the MGN9 linear guide rail and block are designed for CNC machines and 3D printers.

08 Is there any certification for this product?

No certification is indicated for this product.

09 What is the width of the guide rail?

The guide rail width is 9mm.

10 Where is the product shipped from?

The product ships from China.

Categories
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Weight—
AvailabilityIn stock
SKUGA_192152

Discussion

4.4
Based on 37 reviews
Rating
AliExpress Shopper July 25, 2026 ★ ★ ★ ★ ★

Excellent product.

AliExpress Shopper July 4, 2026 ★ ★ ★ ★ ★

Good quality, there is 0 play between the bearing and the rail
Good packaging too, thank you for the bamboo :)

AliExpress Shopper July 1, 2026 ★ ★ ★ ★ ★

Excellent service, they arrived in perfect condition, I haven't installed them yet but they look of excellent quality.

AliExpress Shopper June 23, 2026 ★ ★ ★ ★ ★

OK, spare balls added.

AliExpress Shopper June 23, 2026 ★ ★ ★ ★ ★

OK, spare balls added.