Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length
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Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-LengthOpen-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length

Open-End Rubber Timing Belt — 2GT S2M 3M S3M 5M S5M 8M S8M MXL XL L | Black, Cut-to-Length

HomeDIYer
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By HomeDIYer®

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$4.91 USD
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In stock (500 units), ready to be shipped

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Description

 

Open-End Rubber Timing Belt — Precision Drive for 3D Printers, CNC & Automation

When a slipping or stretched drive belt causes layer shifts on your 3D printer, missed steps on your CNC router, or erratic motion in your automation rig, the fix starts with the right open-end rubber timing belt. Makers, engineers, and repair technicians who need a reliable cut-to-length belt solution will find this listing covers the most widely used profiles in one place.

Each order is priced per meter of open-end (non-looped) rubber timing belt. Available profiles include 2GT, S2M, 3M, S3M, 5M, S5M, 8M, S8M, MXL, XL, and L, with belt widths ranging from 6mm (≈1/4") to 50mm (≈2") and lengths of 1 meter (≈39.4"), 2 meters (≈78.7"), or 5 meters (≈196.9"). The belt body is black rubber with embedded fiber reinforcement for dimensional stability under tension.

Typical use cases include replacing worn drive belts on FDM 3D printers (CoreXY, Cartesian, delta), routing linear motion on DIY CNC machines and laser cutters, and building or servicing conveyor and pick-and-place automation systems where synchronous, slip-free power transmission is required.

🔗 Compatibility Note: Belt profile must match your pulley tooth profile exactly. 2GT pairs with GT2 pulleys; MXL/XL use imperial trapezoidal pulleys; S-series (S2M, S3M, S5M, S8M) use curvilinear metric pulleys. Verify pitch and width before ordering.

✅ Key Features of These Open-End Rubber Timing Belts

  • 📐Wide Profile Selection — Eleven belt profiles in one listing (2GT, S2M, 3M, S3M, 5M, S5M, 8M, S8M, MXL, XL, L) cover the most common synchronous drive belt standards used in DIY and light industrial applications.
  • ✂️Open-End Cut-to-Length Format — Non-looped open belt stock lets you trim to any length needed for custom builds, repairs, or prototypes without being locked into fixed loop sizes.
  • 🖤Fiber-Reinforced Rubber Construction — The rubber body with embedded tensile cord resists elongation under load, maintaining consistent tooth pitch and reducing backlash in precision motion systems.
  • 📏Multiple Width Options — Widths from 6mm to 50mm let you match the belt to your pulley flange width, with wider belts generally supporting higher torque transmission in demanding drive applications.
  • 🖨️3D Printer Compatible Profiles — The 2GT profile at 6mm or 10mm width is the standard for most desktop FDM printers; the fine 2mm pitch delivers the smooth, repeatable motion needed for accurate layer placement.
  • 🔄Synchronous Drive Design — Toothed belt-and-pulley engagement eliminates the slip inherent in flat or V-belts, making these timing belts suitable for stepper-motor-driven axes where positional accuracy matters.
⚠️ Spec Confirmation: Tensile strength and maximum operating speed vary by profile and width. If your application has specific load or speed requirements, contact us to confirm suitability before ordering.

📐 Technical Specifications — Open-End Rubber Timing Belt

Belt Type Open-end (non-looped) synchronous timing belt
Available Profiles 2GT, S2M, 3M, S3M, 5M, S5M, 8M, S8M, MXL, XL, L
Pitch 2GT/S2M: 2mm | 3M/S3M: 3mm | 5M/S5M: 5mm | 8M/S8M: 8mm | MXL: 0.080" (2.032mm) | XL: 0.200" (5.08mm) | L: 0.375" (9.525mm)
Belt Width Options 6mm (≈1/4"), 9mm, 10mm (≈3/8"), 15mm (≈5/8"), 20mm (≈3/4"), 25mm (≈1"), 30mm, 35mm, 40mm, 50mm (≈2") — availability varies by profile
Length Options 1 meter (≈39.4"), 2 meters (≈78.7"), 5 meters (≈196.9")
Material Rubber with fiber tensile reinforcement
Color Black
Tooth Profile Curvilinear (S-series, 2GT) or trapezoidal (MXL, XL, L, 3M, 5M, 8M) — see profile notes
Tensile Strength See variant options
Max Operating Temperature Contact us to confirm
Compatible Pulley Standard Must match belt profile — see compatibility note above

❓ Frequently Asked Questions

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

Measure the center-to-center distance between your drive and driven pulleys, then add the wrap length around both pulleys (typically half the circumference of each). For open-end belts, order slightly longer than your calculated need and trim to fit. As a reference: 1 meter ≈ 39.4", 2 meters ≈ 78.7", 5 meters ≈ 196.9".

What load or torque can these timing belts handle?

Load capacity depends on the belt profile and width. Generally, wider belts and larger-pitch profiles (e.g., 8M, S8M) handle significantly higher torque than narrow, fine-pitch belts (e.g., 2GT, MXL). For specific load ratings relevant to your application, contact us to confirm before ordering.

Are these belts suitable for outdoor or humid environments?

These rubber timing belts typically offer moderate resistance to moisture and are generally suitable for indoor environments with occasional humidity exposure. For prolonged outdoor use or continuous wet conditions, we recommend verifying compatibility. They are not designed for continuous submersion.

Which pulley standard is compatible with each belt profile?

Each profile requires a matching pulley: 2GT → GT2 pulleys | S2M, S3M, S5M, S8M → corresponding curvilinear metric pulleys | 3M, 5M, 8M → standard metric trapezoidal pulleys | MXL, XL, L → imperial trapezoidal pulleys. Always match belt profile to pulley profile — mismatched profiles will not mesh correctly.

Which profile should I choose for a 3D printer?

The 2GT profile at 6mm width is the most common choice for desktop FDM 3D printers (CoreXY, Cartesian, delta). Its 2mm pitch provides smooth, precise motion for print heads and build plates. 10mm width 2GT is used in wider belt systems. If your printer uses a different profile, check your existing belt or pulley markings.

Can I cut this belt to a custom length?

Yes — these are open-end belts specifically designed to be cut to your required length. Use sharp scissors or a utility knife on a flat surface for a clean, square cut. Select the length closest to or longer than your requirement (1m, 2m, or 5m) and trim as needed.

What is the difference between standard and 'S' prefix profiles (e.g., 3M vs S3M)?

The 'S' prefix denotes a curvilinear (rounded) tooth profile, which generally provides better load distribution, reduced stress concentration, and lower backlash compared to the trapezoidal tooth of the non-S equivalent. S-series belts are typically preferred for higher-efficiency or higher-load applications where smooth engagement matters.

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

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