2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC
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2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC

2GT 6mm Closed Loop Timing Belt – 2mm Pitch, 98mm to 1524mm for 3D Printers & CNC

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2GT 6mm Closed Loop Timing Belt — Precise Motion for 3D Printers & CNC Machines

When your 3D printer starts producing layer shifts or your CNC router loses position mid-cut, a worn or incorrectly sized timing belt is often the culprit. Makers, engineers, and repair technicians who need a reliable closed loop timing belt in a specific circumference — without cutting and splicing open-ended stock — rely on pre-formed loop belts for clean, repeatable installation.

Each belt in this listing is a 2GT closed loop rubber timing belt with a 2mm tooth pitch and 6mm (≈0.24") width. Available lengths range from 98mm (≈3.9") to 1524mm (≈60.0"), covering 49 teeth to 762 teeth. The internal cord reinforcement (typically fiberglass) keeps the belt dimensionally stable under load. Select your exact circumference and quantity (1 pcs or 2 pcs) from the variant options above.

Typical use cases include replacing X/Y axis drive belts on Cartesian 3D printers such as Ender-series and Prusa-style machines, upgrading motion systems on CoreXY and H-bot printers, and driving linear axes on desktop CNC routers, laser engravers, and pick-and-place machines. The 2mm pitch closed loop timing belt format is also used in small robotic arms and automated camera sliders where backlash-free motion is required.

ℹ️ Compatibility Note: This belt uses the 2GT / GT2 tooth profile (2mm pitch). It is designed to mate with GT2 or 2GT pulleys. Verify your pulley's pitch and groove width (6mm) before ordering. Not compatible with T2.5, T5, or HTD profiles.

✅ Key Features of These 2GT 6mm Closed Loop Timing Belts

  • 🔁Pre-Formed Closed Loop — No splicing or joining required; the seamless loop design eliminates the weak point found in open-ended belts joined with clips, giving consistent tension around the full circumference.
  • 📐2mm Pitch Tooth Profile (2GT Standard) — The 2mm pitch closed loop timing belt tooth geometry meshes precisely with GT2 and 2GT pulleys, reducing backlash and maintaining positional accuracy on 3D printer axes and CNC linear drives.
  • 📏Wide Length Selection (98mm–1524mm) — Over 90 circumference options in a single listing let you match the exact belt path length of your machine without cutting or modifying, from compact mini printers to larger-format CNC routers.
  • 🧵Internal Cord Reinforcement — The embedded cord (typically fiberglass) resists stretching under normal operating loads, helping maintain consistent layer height and cut depth over extended print or machining sessions.
  • ⚙️6mm Belt Width for Standard Drives — The 6mm width matches the groove width of the most widely used GT2 pulleys in desktop 3D printing and light CNC, making this a direct drop-in replacement for most stock drive systems.
  • 🔧Flexible Rubber Construction — The rubber body wraps smoothly around small-diameter pulleys (typically 16T–20T) without cracking or deforming, supporting the tight bend radii common in compact printer frames.

📐 Technical Specifications — 2GT Closed Loop Timing Belt

Belt Type Closed Loop (Endless)
Tooth Profile 2GT / GT2 (2mm pitch)
Belt Width 6mm (≈0.24")
Pitch 2mm
Available Circumferences 98mm (49T) – 1524mm (762T); see variant options
Material Rubber with internal cord reinforcement (typically fiberglass)
Tooth Count See variant options (49 teeth to 762 teeth)
Quantity per Order 1 pcs or 2 pcs (select above)
Compatible Pulley Profile GT2 / 2GT, 6mm groove width
Typical Application 3D printer axes, CNC router drives, laser engravers, robotic motion
Operating Temperature Contact us to confirm
Color / Finish Black
⚠️ Size Tip: The belt circumference equals the number of teeth × 2mm. For example, a 200mm belt has 100 teeth. Match this to your machine's belt path, not just the axis travel distance.

❓ Frequently Asked Questions

How do I choose the right belt length for my machine?

Measure the center-to-center distance between your two pulleys, then use the formula: Belt Length ≈ 2 × C-to-C distance + (π × pulley pitch diameter). For example, a 200mm (≈7.9") belt typically suits compact 3D printer axes with short travel. When in doubt, consult your printer's bill of materials or belt routing diagram. You can also remove the old belt and measure its circumference directly.

What tensile strength does this timing belt have?

2GT rubber timing belts generally handle tensile loads sufficient for typical 3D printer and light CNC applications. The internal cord reinforcement typically supports tensile forces in the range of 50–150 N, though exact values vary by belt length and construction. For high-load CNC or industrial applications, contact us to confirm suitability before ordering.

Can this belt be used outdoors or in humid environments?

The rubber construction generally offers moderate resistance to moisture and is suitable for typical indoor workshop conditions. For prolonged outdoor exposure, high-humidity environments, or chemical contact, additional protection is recommended. This belt is not rated for chemical immersion or extended UV exposure.

Is this belt compatible with GT2 pulleys?

Yes. This belt uses the 2mm pitch tooth profile (2GT/GT2 standard), which is directly compatible with GT2 and 2GT pulleys widely used in 3D printers, CNC routers, and laser engravers. Always verify that your pulley's groove width is 6mm and that the tooth pitch matches (2mm) before installing.

How do I decide between ordering 1 pcs and 2 pcs?

Most Cartesian 3D printers use two belts — one for the X axis and one for the Y axis. If you are replacing both at the same time, selecting 2 pcs ensures matched belt condition and saves on shipping. For a single-axis replacement or a spare, 1 pcs is sufficient. CoreXY printers typically use two belts of the same length as well.

What is the difference between belt circumference and axis travel distance?

The belt circumference is the total loop length — it wraps around both pulleys and includes the slack/return side. It is generally longer than the axis travel distance. A quick way to find the right circumference: remove the old belt and measure it flat end-to-end, then double that number (since it forms a loop). Alternatively, use the formula: Circumference = 2 × pulley center distance + π × pulley diameter.

Will this belt fit my specific 3D printer model?

This belt is compatible with most printers that use GT2/2GT 6mm belts, including many Ender-series, Prusa-style, Voron, and similar Cartesian or CoreXY designs. Check your printer's documentation for the required belt circumference and confirm the 2mm pitch and 6mm width match your pulleys. If you are unsure, feel free to contact us with your printer model.

🛒 Select your length and quantity above, then add to cart — ships from our US warehouse.

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