MXL Closed Loop Timing Belt 6mm Wide — B100 to B450 for CNC & 3D Printer

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Sale price$8.68 USD
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In stock (500 units), ready to be shipped

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Description

 

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

When a slipping or mismatched belt throws off your CNC router's cut accuracy or causes layer shifts on your 3D printer, the entire job is ruined. Makers, engineers, and repair technicians who depend on precise, repeatable motion need a closed loop timing belt that stays in sync — every pass, every layer. These MXL closed loop timing belts are built for exactly that kind of demanding, detail-sensitive work.

Each belt is a rubber closed-loop design with a standard MXL tooth profile (2.032mm pitch) and a 6mm width. Available in five loop circumferences: 200mm (≈7.9"), 280mm (≈11.0"), 340mm (≈13.4"), 600mm (≈23.6"), and 900mm (≈35.4"). Models are designated B100MXL through B450MXL, where the number reflects the tooth count. Order in quantities from 1 to 30 pieces to match your project or spare-parts needs.

These belts are well-suited for 3D printer X/Y axis drives, CNC gantry and carriage systems, small robotic actuators, and light-duty automation equipment where MXL-pitch pulleys are already in use. The closed-loop construction eliminates the need for belt clamps or splicing, making installation straightforward on most standard drive systems.

ℹ️ Compatibility Note: These belts use MXL tooth pitch (2.032mm / 0.080"). They are not compatible with GT2, HTD, or T2.5 pulleys. Confirm your pulley pitch before ordering.

✅ Key Features of These MXL Closed Loop Timing Belts

  • 🔁Closed-Loop Construction — No splicing or clamps needed; the seamless loop installs directly onto standard MXL drive pulleys for clean, low-maintenance setup.
  • 📐Precise MXL Tooth Profile — 2.032mm pitch teeth mesh accurately with MXL sprockets, supporting the positional repeatability required in CNC routing and 3D printer axis control.
  • 📏6mm Uniform Width — Consistent width across all models ensures compatibility with standard 6mm-wide MXL pulley flanges without modification.
  • 🧱Rubber Construction — Flexible rubber body absorbs minor vibration and conforms to pulley geometry, reducing noise in light-duty motion control applications.
  • 📦Multi-Pack Options — Available in 1–30 piece quantities; stock spares for your workshop or order in bulk for production builds and repair kits.
  • 🔧Five Loop Sizes — B100MXL to B450MXL covers loop circumferences from 200mm to 900mm, fitting a wide range of 3D printer and CNC drive configurations without custom cutting.

📐 Technical Specifications — MXL Closed Loop Timing Belt

Belt Type Closed Loop Timing Belt
Tooth Profile MXL (Miniature Extra Light)
Tooth Pitch 2.032mm (0.080")
Belt Width 6mm
Material Rubber
Available Models B100MXL, B140MXL, B170MXL, B300MXL, B450MXL
Loop Circumference (LP) 200mm (≈7.9") / 280mm (≈11.0") / 340mm (≈13.4") / 600mm (≈23.6") / 900mm (≈35.4")
Tooth Count by Model B100MXL: 100T / B140MXL: 140T / B170MXL: 170T / B300MXL: 300T / B450MXL: 450T
Compatible Pulley Pitch MXL only — not compatible with GT2, HTD, or T2.5
Quantity per Order 1, 2, 3, 5, 8, 10, 15, 20, 25, or 30 PCS (see variant options)
Typical Applications 3D printers, CNC routers, light automation, robotics
Color/Finish See variant options
Country of Origin Contact us to confirm
⚠️ Spec Confirmation: Tooth count per model is inferred from standard MXL belt naming conventions. If your application requires exact tooth count verification, please contact us before ordering.

❓ Frequently Asked Questions

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

Measure the center-to-center distance between your drive and driven pulleys, then calculate the required belt path length. For a closed loop, the loop circumference (LP) should match that path. Common conversions: 200mm ≈ 7.9", 280mm ≈ 11.0", 340mm ≈ 13.4", 600mm ≈ 23.6", 900mm ≈ 35.4". When in doubt, size up slightly and adjust pulley spacing.

What tooth pitch does MXL use, and will it fit my pulleys?

MXL (Miniature Extra Light) belts have a tooth pitch of 2.032mm (0.080"). They are compatible with standard MXL pulleys and sprockets. Always verify your pulley is rated for MXL pitch before ordering.

How much load can these timing belts handle?

MXL 6mm-wide rubber timing belts are generally suited for light-duty motion control applications such as 3D printer axes and small CNC gantries. They are typically rated for low-to-moderate tensile loads. For high-torque or heavy-load applications, consider wider belts or a reinforced (fiberglass-cord) variant.

Can these belts be used outdoors or in humid environments?

These belts are made from rubber and are generally suitable for indoor use. Rubber timing belts can tolerate moderate humidity, but prolonged exposure to UV light, oils, or extreme temperatures may accelerate wear. For outdoor or harsh-environment use, contact us to confirm suitability.

Are these compatible with GT2 or HTD pulleys?

No. MXL belts use a 2.032mm tooth pitch that is specific to MXL pulleys. GT2 pulleys use a 2mm pitch with a different tooth profile, and HTD pulleys use a rounded tooth form. These belt profiles are not interchangeable. Always match belt and pulley by pitch and tooth profile.

Which model should I choose — B100MXL, B140MXL, B170MXL, B300MXL, or B450MXL?

The model number indicates the tooth count and corresponds to the loop circumference: B100MXL = 200mm (≈7.9"), B140MXL = 280mm (≈11.0"), B170MXL = 340mm (≈13.4"), B300MXL = 600mm (≈23.6"), B450MXL = 900mm (≈35.4"). Match the loop circumference to your drive system's belt path length.

What quantity options are available, and is bulk pricing offered?

Each listing offers 1, 2, 3, 5, 8, 10, 15, 20, 25, or 30 pieces per order. Pricing scales with quantity — larger packs offer a lower per-unit cost. Select your quantity from the variant options above.

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

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