2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm
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2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm

2GT Closed Loop Timing Belt for CNC — 10mm Wide, Perimeter 400mm–550mm

HomeDIYer
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By HomeDIYer®

Price:
$13.60 USD
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In stock (500 units), ready to be shipped

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Description

 

2GT Closed Loop Timing Belt for CNC Machines — Precise, Slip-Free Motion in 10mm Width

If your CNC router, 3D printer, or laser engraver is skipping steps, losing position, or running a worn-out open belt that keeps slipping off, the fix is a properly sized closed loop timing belt. This 2GT closed loop timing belt eliminates the need for belt clamps or tensioner anchors — the seamless loop stays on track and delivers consistent, repeatable motion for hobbyists, makers, and small-shop machinists who can't afford positioning errors mid-job.

Each belt is a continuous closed loop with a 2mm GT2 tooth pitch and a 10mm (≈3/8") width, available in perimeter sizes from 400mm (≈15.7") to 550mm (≈21.7") — covering the most common axis lengths found in desktop CNC builds and DIY motion systems. The belt body is constructed from flexible rubber (typically neoprene or polyurethane) reinforced with a tensile cord (typically fiberglass or steel) to resist stretch under load. Sold in packs of 1, 3, 5, or 10 pieces so you can stock spares or outfit an entire build at once.

Typical use cases include X/Y-axis drives on CoreXY and Cartesian 3D printers, gantry drives on desktop CNC routers and laser engravers, and rotary axis or conveyor drives in light automation fixtures — anywhere a 2GT closed loop synchronous belt with a 10mm width fits the pulley path.

🔗 Compatibility: Designed for standard GT2 / 2GT pulleys with 2mm tooth pitch. Fits most desktop CNC routers, Cartesian and CoreXY 3D printers, and laser engravers using 10mm-wide belt paths. Verify your pulley profile and belt path width before ordering.
⚠️ Size Note: Perimeter is the total closed-loop circumference, not the straight span between pulleys. Measure your machine's required belt path carefully. See the FAQ below for a sizing formula.

✅ Key Features of These 2GT Closed Loop Timing Belts

  • 🔄Seamless Closed Loop — No splice, no clamp, no weak point. The continuous loop design eliminates the belt-end failures common in open belts cut to length, giving you reliable closed loop synchronous belt performance over thousands of cycles.
  • 📐2mm GT2 Tooth Pitch — Matches the GT2 / 2GT pulley standard used across the vast majority of desktop CNC and 3D printer motion systems, ensuring positive engagement and zero-slip power transmission.
  • 📏10mm Width for Higher Load Capacity — At 10mm (≈3/8") wide, this belt carries more torque than the common 6mm variant, making it a solid choice for heavier gantries, dual-drive axes, or any application where belt flex under load is a concern.
  • 🧲Stretch-Resistant Tensile Cord — The internal reinforcement cord (typically fiberglass or steel) resists elongation under working tension, helping maintain consistent axis positioning accuracy over time — critical for CNC router belt drive systems.
  • 📦Flexible Pack Quantities — Order 1 piece for a single replacement, or choose a 3-, 5-, or 10-pack to stock your workshop. Multi-pack pricing makes it practical to keep spares on hand for a 3D printer timing belt replacement without overpaying.
  • 🗂️Wide Perimeter Range — Seventeen size options from 400mm to 550mm (≈15.7" to ≈21.7") cover the most common closed loop belt sizes for desktop motion systems, so you can find the exact fit without cutting or splicing.

📐 Technical Specifications — 2GT Closed Loop Timing Belt

Belt Type 2GT (GT2) Synchronous Closed Loop
Tooth Pitch 2mm
Belt Width 10mm (≈3/8")
Perimeter Range 400mm–550mm (≈15.7"–21.7"); see variant options for exact sizes
Available Perimeters 400, 406, 410, 430, 444, 450, 460, 466, 488, 494, 500, 520, 524, 528, 540, 544, 550mm
Belt Body Material Flexible rubber (typically neoprene or polyurethane)
Tensile Cord Typically fiberglass or steel — contact us to confirm
Loop Construction Seamless closed loop (no splice)
Compatible Pulley Profile GT2 / 2GT, 2mm pitch
Pack Quantity Options 1 Pcs / 3 Pcs / 5 Pcs / 10 Pcs
Typical Applications CNC router X/Y axis, 3D printer motion system, laser engraver gantry
Color/Finish See variant options

❓ Frequently Asked Questions

How do I choose the right perimeter size for my machine?

Measure the center-to-center distance between your two pulleys, then use this formula: Perimeter = 2 × center distance + (π × pulley pitch diameter). For example, a 150mm center distance with two 20-tooth GT2 pulleys (≈20.4mm pitch diameter) typically yields a perimeter around 400–410mm. When in doubt, size up — a slightly longer belt can be tensioned; a short belt cannot be installed.

What pitch is this belt, and will it fit my GT2 pulleys?

This is a 2GT (GT2) belt with a 2mm tooth pitch. It is compatible with standard GT2 pulleys commonly used in 3D printers, CNC routers, and laser engravers. Always verify your pulley tooth profile matches GT2/2GT before ordering.

What load or tension can this belt handle?

A 10mm-wide 2GT belt generally handles higher working loads than the more common 6mm-wide variant — typically suitable for light-to-medium CNC axis drives and 3D printer motion systems. Exact tensile strength depends on the reinforcement cord (typically fiberglass or steel). Do not exceed the manufacturer's rated working tension for your specific application.

Can I use this belt outdoors or in humid environments?

The belt body is generally made from neoprene or polyurethane rubber, which offers reasonable resistance to moisture and mild temperature variation. However, prolonged exposure to direct sunlight, oils, or extreme temperatures may accelerate wear. For outdoor or harsh-environment use, inspect the belt periodically for cracking or elongation.

Is this belt compatible with RepRap, Ender, or other 3D printer frames?

In most cases, yes — the 2GT 2mm pitch standard is widely used across RepRap-derived printers (Ender 3, CR-10, Prusa-style, etc.) and many DIY CNC builds. Confirm your machine uses 10mm-wide belt paths and GT2-profile pulleys before purchasing.

How many pieces should I order?

For a single-axis replacement, 1 piece is sufficient. For a full CoreXY or H-bot 3D printer (which uses two belts of the same length), order 2–3 pieces. Ordering a 5- or 10-pack is cost-effective for workshops, makerspaces, or anyone maintaining multiple machines.

How do I convert the perimeter from mm to inches?

Divide the mm value by 25.4. Quick reference: 400mm ÷ 25.4 ≈ 15.7" | 450mm ÷ 25.4 ≈ 17.7" | 500mm ÷ 25.4 ≈ 19.7" | 550mm ÷ 25.4 ≈ 21.7". Always measure your machine's required belt path rather than relying solely on inch conversions.

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

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