What is the pitch and tooth count for each loop length?

All belts in this listing use a 2mm pitch (GT2 standard). The tooth count equals the loop length divided by 2. For example: 110mm = 55 teeth, 200mm = 100 teeth, 400mm = 200 teeth, 610mm = 305 teeth, 852mm = 426 teeth.

GT2 Closed Loop Timing Belt 6mm Width — 2GT Synchronous Belt for 3D Printer & CNC

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GT2 Closed Loop Timing Belt 6mm Width — 2GT Synchronous Belt for 3D Printer & CNC

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Model: GT2-6-110mm

Pack Quantity: 1 PCS

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GT2 Closed Loop Timing Belt 6mm — Reliable Motion Control for 3D Printers & CNC Machines

If your 3D prints are showing layer shifts or your CNC router is losing steps, a worn or incorrectly sized timing belt is often the culprit. Makers, engineers, and machine builders who depend on precise, repeatable motion need a GT2 closed loop timing belt they can trust — one that installs cleanly, runs quietly, and holds tension over thousands of cycles.

Each belt in this listing is a GT2-6mm closed loop synchronous belt made from rubber with fiberglass cord reinforcement for low stretch and consistent pitch. The 6mm width fits standard GT2 pulleys, and loop lengths are available from 110mm (≈4.3") to 852mm (≈33.5") — covering the most common axis lengths found in desktop and mid-size machines. Order in quantities of 1, 2, 5, 10, 20, or 200 pieces to match your build or restocking needs.

These GT2 synchronous belts are a direct fit for Creality Ender 3 / CR-10 X-Y axis replacement, Prusa i3 MK3 belt loops, Anet A8 upgrades, and DIY CNC router belt drive systems. They are also widely used in laser engravers, pick-and-place machines, and other motion-control applications requiring a 2mm pitch GT2 profile.

🔗 Compatibility: Fits GT2 pulleys (2mm pitch, 6mm width) — commonly 16T, 20T, and 36T aluminum pulleys. Not compatible with HTD, T2.5, or MXL profiles. Confirm your loop length before ordering.

✅ Key Features of These GT2-6mm Closed Loop Timing Belts

🔄True Closed Loop, No Splice — Molded as a continuous loop with no joint or splice point, eliminating the weak spot that causes open-end belts to slip or snap under load.
🧵Fiberglass Cord Reinforcement — Internal fiberglass tension members keep stretch minimal over time, maintaining accurate positioning in 3D printer belt drive systems and CNC axis drives.
📐2mm GT2 Pitch Precision — The 2mm tooth pitch matches the GT2 standard exactly, ensuring smooth meshing with GT2 pulleys and consistent step accuracy for FDM printer X/Y axis motion.
📏10 Loop Lengths Available — From 110mm (≈4.3") to 852mm (≈33.5"), covering the most common sizes for desktop 3D printers, laser cutters, and DIY CNC belt drive builds.
📦Flexible Pack Quantities — Available in 1, 2, 5, 10, 20, or 200-piece packs so you can grab a single replacement or stock up for a production workshop without overpaying.
🔇Low-Noise Rubber Compound — The rubber formulation runs quietly against aluminum pulleys, reducing vibration artifacts that can show up as ringing or ghosting in high-speed 3D print quality.

📐 Technical Specifications — GT2 Closed Loop Synchronous Belt

Belt Type	GT2 Closed Loop Synchronous Belt
Pitch	2mm (GT2 standard)
Width	6mm (≈0.24")
Available Loop Lengths	110mm (≈4.3"), 112mm (≈4.4"), 122mm (≈4.8"), 158mm (≈6.2"), 200mm (≈7.9"), 280mm (≈11.0"), 300mm (≈11.8"), 400mm (≈15.7"), 610mm (≈24.0"), 852mm (≈33.5")
Tooth Count (by length)	55T / 56T / 61T / 79T / 100T / 140T / 150T / 200T / 305T / 426T
Material	Rubber with fiberglass cord reinforcement
Compatible Pulley Profile	GT2 (2mm pitch) — 16T, 20T, 36T typical
Belt Width Tolerance	See variant options
Operating Temperature	Generally −20°C to +80°C (−4°F to +176°F)
Pack Quantities	1 / 2 / 5 / 10 / 20 / 200 PCS
Color	Black
Application	3D printers, CNC routers, laser engravers, motion control systems

⚠️ Before ordering: Measure your existing belt loop length or calculate from your pulley center-to-center distance. Belt loop length = 2 × center distance + pulley circumference. When between sizes, size up.

❓ Frequently Asked Questions

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

Measure the center-to-center distance between your two pulleys, then use this formula: Loop Length = 2 × center distance + (circumference of one pulley). For example, a 200mm (≈7.9") loop is typically used on machines with roughly 80–90mm pulley spacing. When in doubt, size up — a slightly longer belt can be tensioned; a short one cannot be installed. Available lengths in this listing range from 110mm (≈4.3") to 852mm (≈33.5").

What tensile strength does this GT2 timing belt have?

GT2-6mm closed loop belts with fiberglass cord reinforcement generally handle tensile loads in the range of 50–80 N per belt under normal operating conditions. For high-speed or high-torque CNC applications, running at no more than 70% of rated load is generally recommended to extend belt life.

Can this belt be used outdoors or in humid environments?

The rubber compound used in GT2 belts is generally resistant to moderate moisture and dust, making it suitable for enclosed CNC enclosures and workshop environments. However, prolonged exposure to direct sunlight, oils, or harsh chemicals is not recommended and may accelerate wear.

What pulley tooth profile is compatible with this belt?

This belt uses the GT2 (2mm pitch) tooth profile and is compatible with GT2 pulleys — typically 16T, 20T, or 36T aluminum pulleys with a 5mm or 6mm bore. It is not interchangeable with HTD, T2.5, or MXL pulleys. Always confirm your pulley is rated for 6mm belt width.

Which 3D printer models does this belt fit?

GT2-6mm closed loop belts are commonly used in Creality Ender 3, Ender 5, CR-10, Prusa i3 MK3, Anet A8, and many other RepRap-style printers. Check your printer's X/Y axis belt loop length before ordering — the most common sizes for desktop FDM printers are typically 110mm–200mm. For larger-format printers or CoreXY builds, longer loops (280mm–610mm) are in most cases required.

How do I know when to replace my timing belt?

Replace your GT2 belt if you notice: layer shifting in 3D prints, loss of positioning accuracy in CNC cuts, visible cracking or fraying on the belt surface, or unusual noise during operation. Keeping a spare set on hand is a good practice for production environments — the multi-pack options in this listing make stocking up cost-effective.

What is the tooth count for each loop length?

All belts use a 2mm pitch (GT2 standard). Tooth count = loop length ÷ 2. For reference: 110mm = 55T, 112mm = 56T, 122mm = 61T, 158mm = 79T, 200mm = 100T, 280mm = 140T, 300mm = 150T, 400mm = 200T, 610mm = 305T, 852mm = 426T.

🛒 Select your model (loop length) and pack quantity above, then add to cart — ships from our US warehouse.

GT2 Closed Loop Timing Belt 6mm Width — 2GT Synchronous Belt for 3D Printer & CNC

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Beschreibung

GT2 Closed Loop Timing Belt 6mm — Reliable Motion Control for 3D Printers & CNC Machines

✅ Key Features of These GT2-6mm Closed Loop Timing Belts

📐 Technical Specifications — GT2 Closed Loop Synchronous Belt

❓ Frequently Asked Questions

GT2 Closed Loop Timing Belt 6mm Width — 2GT Synchronous Belt for 3D Printer & CNC

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