XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL
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XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XLXL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL

XL Timing Belt — 0.2" Pitch, 10mm Width, Closed Loop | 80XL–310XL

HomeDIYer
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By HomeDIYer®

Price:
$2.71 USD
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In stock (500 units), ready to be shipped

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Description

 

XL Timing Belt 0.2" Pitch 10mm Width — Closed Loop for CNC, 3D Printers & Robotics

When a slipping or stretched drive belt throws off your CNC router's cut accuracy or causes layer shifts in your 3D prints, the fix starts with the right replacement. Makers, engineers, and machine builders who need a reliable closed-loop XL timing belt in a precise size will find this listing covers the widest range available — from compact 80XL (203.2mm / 8") up to 310XL (787.4mm / 31").

Each belt features an XL tooth profile with a pitch of 5.08mm (0.2"), a belt width of 10mm (≈3/8"), and is available in tooth counts from 40 to 155 teeth. The closed-loop construction means no splicing or joining — the belt arrives ready to install. Choose from 1 pcs, 2 pcs, or 5 pcs per order to match your build or stocking needs.

Typical use cases include CNC router X/Y axis drives, FDM 3D printer motion systems (Cartesian and CoreXY), desktop laser engravers, pick-and-place robotics, and DIY automation projects where repeatable linear motion is critical. Searching for an "XL closed loop timing belt replacement" or "5.08mm pitch drive belt for CNC" — this is it.

ℹ️ Compatibility: Fits any standard XL-profile pulley or sprocket (5.08mm / 0.2" pitch). Not compatible with MXL, GT2, T5, or L-profile pulleys. Verify your belt number (circumference) and tooth count before ordering.

✅ Key Features of These XL Closed-Loop Timing Belts

  • 📐Exact XL Pitch — 5.08mm (0.2") — Tooth spacing matches all standard XL pulleys for zero-backlash motion, critical for CNC router positioning accuracy.
  • 🔁Closed-Loop Construction — No open ends to splice or clamp; the belt installs directly onto your pulleys for immediate use in 3D printer or robotics builds.
  • 📏Wide Size Range — 80XL to 310XL — Circumferences from 203.2mm (8") to 787.4mm (31") cover the majority of desktop CNC and DIY automation drive lengths.
  • ⚙️10mm Belt Width — A practical width for light-to-medium duty linear motion systems; fits standard 10mm XL pulley flanges without modification.
  • 🧱Fiber-Reinforced Core — Fiberglass cord tensile members resist stretching under load, helping maintain consistent tooth engagement over extended use in CNC drive systems.
  • 📦Flexible Quantity Options — Order 1, 2, or 5 belts per SKU; the 5-pack is cost-effective for CoreXY dual-belt builds or keeping spares on hand for production machines.

📐 Technical Specifications — XL Timing Belt (Closed Loop)

Belt Profile XL (Extra Light)
Tooth Pitch 5.08mm (0.2 inch)
Belt Width 10mm (≈3/8")
Belt Type Closed Loop (endless)
Circumference Range 203.2mm (8") — 787.4mm (31")
Belt Number Range 80XL — 310XL
Tooth Count Range 40 — 155 teeth
Material Neoprene rubber with fiberglass cord reinforcement (typical for XL profile)
Quantity per Order 1 pcs / 2 pcs / 5 pcs (select above)
Compatible Pulley Profile XL (5.08mm pitch) only
Typical Applications CNC routers, 3D printers, laser engravers, robotics, automation
Operating Temperature See variant options / Contact us to confirm
Max Tensile Load See variant options / Contact us to confirm
⚠️ Sizing Note: The belt number directly encodes the circumference in tenths of an inch (e.g., 100XL = 10.0" = 254mm). Always confirm both the belt number and tooth count match your existing belt or pulley specification before ordering.

❓ Frequently Asked Questions

How do I choose the right XL timing belt size?

Match the belt number to your required circumference. The belt number equals the circumference in tenths of an inch — for example, 100XL = 10.0 inches (254mm). To calculate: measure your existing belt's outer circumference, or use the formula: circumference ≈ 2 × center distance + (π × pulley pitch diameter). Always verify the tooth count matches your pulleys. If you're between sizes, generally size up to avoid over-tensioning.

What does the XL pitch mean, and is it compatible with my pulleys?

XL stands for Extra Light, with a standardized tooth pitch of 5.08mm (0.2 inch). These belts are compatible with any XL-profile pulley or sprocket. They are not interchangeable with MXL (2.032mm), GT2 (2mm), T5 (5mm), L (9.525mm), or other profiles — even if the width looks similar.

What load or torque can these XL timing belts handle?

XL belts at 10mm width are generally suited for light-to-medium duty applications. Tensile capacity is typically in the range of 100–200 N depending on belt length and operating speed. For high-torque or heavy industrial drives, consider wider belts or a higher-pitch profile. Contact us to confirm suitability for your specific load requirements.

Can these belts be used outdoors or in humid environments?

These belts are typically constructed from neoprene rubber with fiberglass cord reinforcement, offering moderate resistance to moisture and temperature variation. They are generally suitable for indoor workshop environments and light outdoor use. Prolonged exposure to UV radiation, petroleum-based oils, or temperatures outside roughly -20°C to +80°C may reduce service life.

How do I convert belt circumference between mm and inches?

Divide millimeters by 25.4 to get inches. For example: 254mm ÷ 25.4 = 10.0 inches (100XL). All sizes in this listing display both units — e.g., 203.2mm (8 inch) for 80XL, 304.8mm (12 inch) for 120XL. The belt number itself is the circumference in tenths of an inch, so 80XL = 8.0" and 310XL = 31.0".

Do I need to buy 1 or 2 belts for my machine?

Most single-axis CNC or Cartesian 3D printer setups require 1 belt per axis. CoreXY motion systems typically use 2 belts of the same size routed in a crossed pattern. Dual-drive gantry designs (e.g., some large-format CNC routers) may also require 2 matched belts. Select the quantity option that matches your build — 1 pcs, 2 pcs, or 5 pcs.

What is the difference between the 1 pcs, 2 pcs, and 5 pcs options?

All three options ship the identical belt — only the quantity per order differs. The 5-pack offers the best per-unit value and is ideal for stocking spares, building multiple machines, or replacing belts on all axes at once. Pricing scales proportionally with quantity.

🛒 Select your belt number, circumference length, and quantity above, then add to cart — ships from our US warehouse.

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