GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length
GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length
GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length
GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length
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GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to LengthGT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to LengthGT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to LengthGT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length

GT2 Open Timing Belt — PU Polyurethane, 2mm Pitch, 9mm & 10mm Wide, Cut to Length

HomeDIYer
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By HomeDIYer®

Price:
$2.52 USD
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In stock (500 units), ready to be shipped

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Description

 

GT2 Open Timing Belt — Precise Linear Motion for 3D Printers, CNC & Robotics

If your 3D printer is skipping layers, your CNC gantry is drifting, or your belt keeps stretching out of calibration, the culprit is often a low-grade rubber belt that can't hold tension under repeated cycling. This GT2 open timing belt is built for makers, engineers, and automation builders who need repeatable, low-backlash linear motion without constant re-tensioning.

Each order is fulfilled as a continuous open-end roll cut to your selected length — available in 9mm (≈3/8") and 10mm (≈13/32") widths, with lengths from 1 meter (≈3.3 ft) up to 100 meters (≈328 ft). The belt body is molded from polyurethane (PU) with embedded steel wire cords for tensile reinforcement, giving it a stiffer, stretch-resistant core compared to standard neoprene GT2 belts. Tooth pitch is 2mm, conforming to the GT2 profile standard.

Typical use cases include FDM 3D printer X/Y axis drives (Ender series, Voron, RatRig, CoreXY platforms), desktop CNC router gantries, diode laser engravers, pick-and-place automation, and custom linear actuator builds — anywhere a GT2 2mm pitch open timing belt for CNC or 3D printer is required.

ℹ️ Compatibility: Fits all standard GT2 pulleys and idlers with 9mm or 10mm belt groove width. Tooth pitch: 2mm. Verify your pulley groove width before ordering — 6mm-groove pulleys require a narrower belt.

✅ Key Features of These GT2 Open Timing Belts

  • 🦾Steel-Core Tensile Reinforcement — Embedded steel wire cords resist elongation under load, maintaining tooth engagement accuracy in high-cycle CNC and 3D printer motion systems.
  • 📐GT2 2mm Pitch Profile — Conforms to the GT2 tooth geometry standard, ensuring positive engagement with GT2 pulleys (16T, 20T, 36T, and others) without tooth skip under normal operating loads.
  • ✂️Open-End Roll — Cut to Any Length — Sold by the meter as a continuous strip; cut cleanly between tooth valleys with scissors or a utility knife to fit any axis length from 1m to 100m.
  • 🧪Polyurethane Body for Oil & Moisture Resistance — PU construction offers better resistance to oils, mild solvents, and humidity than neoprene, making it suitable for workshop and light industrial environments.
  • 📏Two Width Options: 9mm & 10mm — Choose the width that matches your pulley groove. Wider belts distribute load across more tooth surface area, reducing the risk of tooth shear in higher-torque applications.
  • 🔁Low Backlash for Positioning Accuracy — The GT2 tooth profile and rigid PU-steel construction minimize backlash in open-loop motion systems, supporting repeatable positioning in 3D printing and laser engraving workflows.

📐 Technical Specifications — GT2 Open Timing Belt

Belt Type Open-end (non-loop) timing belt
Tooth Profile GT2 (2mm pitch)
Pitch 2mm (0.079")
Available Widths 9mm (≈3/8") / 10mm (≈13/32")
Available Lengths 1m, 2m, 3m, 5m, 10m, 50m, 100m (see variant options)
Belt Material Polyurethane (PU)
Tensile Member Steel wire cord (embedded)
Tooth Height Typically 0.75mm (GT2 standard)
Belt Thickness Typically 1.38mm (GT2 standard)
Color Black
Compatible Pulleys GT2 pulleys with 9mm or 10mm groove width
Tensile Strength See variant options / Contact us to confirm for bulk orders
Operating Temperature Generally -20°C to +80°C (-4°F to +176°F)
⚠️ Before ordering: Confirm your pulley's belt groove width (9mm or 10mm) and required belt run length. This is an open-end belt — it is not a closed loop and cannot be joined without a belt clamp or connector.

❓ Frequently Asked Questions

How do I choose the right belt length?

Measure the distance between your drive and driven pulleys, then add the wrap length around each pulley. For open-loop linear systems (3D printers, CNC gantries), the belt run length is typically the axis travel distance plus 150–300mm (6–12") of extra slack for tensioning and termination. When in doubt, order slightly longer — this belt can be cut cleanly with scissors or a utility knife.

What tensile strength does this GT2 timing belt have?

PU GT2 open timing belts with a steel wire core generally offer higher tensile strength than standard neoprene belts — typically rated for tensile loads of 100–200 N per belt width, depending on the number of steel cords. The steel core resists stretching under load, which is critical for accurate positioning in CNC and 3D printing applications.

Can this belt be used outdoors or in wet environments?

Polyurethane (PU) offers better resistance to oils, mild chemicals, and moisture compared to neoprene. However, prolonged UV exposure or immersion in water may degrade the material over time. For outdoor or high-humidity applications, PU is generally a better choice than rubber, but we recommend verifying suitability for your specific environment.

Is this belt compatible with standard GT2 pulleys?

Yes. This belt follows the GT2 tooth profile standard with a 2mm pitch, making it compatible with any GT2 pulley (16T, 20T, 36T, etc.) designed for 9mm or 10mm wide belts. It is widely used with popular 3D printer motion systems including those found on Ender, Voron, RatRig, and similar platforms.

Should I choose 9mm or 10mm width?

Choose the width that matches your pulley and idler groove width. Most standard GT2 pulleys are designed for either 6mm or 9mm/10mm belts. The 9mm and 10mm widths are typically used in heavier-duty or higher-torque applications where a wider contact surface reduces tooth skip risk. Check your machine's BOM or pulley spec before ordering.

Can I cut this belt to a custom length?

Yes — this is an open-end (non-loop) timing belt sold by the meter. It can be cut to any length using scissors, a utility knife, or a belt cutter. Cut between tooth valleys for the cleanest edge. Available lengths range from 1 meter up to 100 meters per order.

What machines commonly use this GT2 open timing belt?

This belt is commonly used in FDM 3D printers (X/Y axis drives), desktop CNC routers, laser engravers, pick-and-place machines, linear actuators, and robotics joints. The GT2 2mm pitch profile is one of the most widely adopted standards in the maker and automation communities.

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

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