XL Timing Belt 12.7mm Wide — 50 to 100 Teeth | Rubber Drive Belt 254mm–508mm Perimeter

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XL Timing Belt 12.7mm Wide — 50 to 100 Teeth | Rubber Drive Belt 254mm–508mm Perimeter

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Model* Width(mm)* Number of teeth* Perimeter(mm): 100XL*12.7mm * 50 * 254

QTY(pcs): 1

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$3.50 USD

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XL Timing Belt 12.7mm Wide — Reliable Rubber Drive Belt for Precision Motion Control

When a worn or snapped drive belt brings your CNC router, 3D printer, conveyor, or small machine to a halt, finding the exact replacement fast is critical. This XL timing belt is designed for engineers, makers, and maintenance technicians who need a dimensionally accurate, drop-in replacement without waiting weeks for a custom order.

Each belt follows the standard XL tooth profile with a 5.08mm (0.200") pitch and a 12.7mm (1/2") belt width. Perimeters range from 254mm (≈10.0") to 508mm (≈20.0"), covering model numbers 100XL through 200XL with tooth counts from 50 to 100 teeth. The rubber construction with internal cord reinforcement provides consistent tension and low stretch under normal operating loads. Available in quantities of 1 to 5 pieces per order.

Typical applications include desktop CNC machine X/Y axis drives, 3D printer extruder and gantry belts, light-duty conveyor systems, and office equipment timing drives — anywhere a standard XL rubber timing belt replacement is needed.

ⓘ Compatibility: Fits all standard XL-profile pulleys and sprockets. Belt width is 12.7mm (1/2"). Verify your pulley accepts a 1/2" wide belt before ordering. Select your model number (e.g., 120XL = 304.8mm perimeter) from the variant dropdown above.

⚠ Size confirmation tip: If you are replacing an existing belt, check the model number printed on the belt surface (e.g., “150XL037” — the first digits are the tooth count × 2, and “037” indicates 3/8" width; this listing is for 12.7mm / 1/2" width). Contact us to confirm if unsure.

✅ Key Features of These XL Rubber Timing Belts

⚙Standard XL Tooth Profile — 5.08mm pitch with trapezoidal tooth geometry ensures positive engagement with any XL-profile pulley, eliminating slip in positioning and synchronization applications.
📏Wide Size Selection — 50 model sizes from 100XL (254mm / 10.0") to 200XL (508mm / 20.0") let you find the exact perimeter for your machine without custom cutting or splicing.
🔧Rubber Construction with Cord Reinforcement — The elastomer body absorbs vibration and runs quietly, while internal tensile cords resist elongation under load — a key requirement for CNC timing belt replacement applications.
🔄12.7mm (1/2") Belt Width — Matches the most common XL belt width used in desktop CNC routers, laser cutters, and light conveyor drives, making this a direct fit for many standard XL pulley sets.
📦Multi-Pack Quantity Options — Order 1 to 5 belts per SKU to keep spares on hand. Bulk pricing reduces per-unit cost, useful for production environments or repair shops stocking XL drive belt replacements.
✅Drop-In Replacement Fit — Manufactured to standard XL dimensional tolerances so the belt seats correctly on existing pulleys without shimming, trimming, or adjustment — reducing machine downtime.

📐 Technical Specifications — XL Rubber Timing Belt 12.7mm Width

Belt Type	XL (Extra Light) — Trapezoidal Tooth Profile
Pitch	5.08mm (0.200" / 1/5")
Belt Width	12.7mm (1/2")
Tooth Height	Typically 2.3mm (standard XL profile)
Perimeter Range	254mm (≈10.0") — 508mm (≈20.0")
Model Numbers Available	100XL to 200XL (even numbers; 50–100 teeth)
Tooth Count Range	50 teeth (100XL) to 100 teeth (200XL)
Material	Rubber (neoprene-type elastomer) with internal cord reinforcement
Quantity per Order	1, 2, 3, 4, or 5 pieces (select above)
Compatible Pulley Standard	Standard XL-profile pulleys (5.08mm pitch)
Typical Applications	CNC machines, 3D printers, conveyors, office equipment
Operating Temperature	Contact us to confirm
Color / Finish	See variant options

❓ Frequently Asked Questions

How do I choose the right XL timing belt size?

Match the belt model number to your pulley center distance and tooth count. The model number (e.g., 100XL) indicates the number of teeth × 2 = perimeter in tenths of an inch. For example, 100XL = 10.0 inches (254mm) perimeter. Measure your existing belt or calculate from pulley spacing. If you need approximately 12 inches, that is roughly 305mm — select 120XL (304.8mm / ≈12.0").

What does the XL designation mean on a timing belt?

XL stands for Extra Light, an industry-standard tooth profile with a 5.08mm (0.200") pitch. These belts are typically used in light-duty power transmission and positioning applications such as printers, CNC machines, and small conveyors. The trapezoidal tooth shape provides positive, slip-free engagement with matching XL pulleys.

What load or torque can these XL timing belts handle?

XL-profile rubber timing belts are generally rated for light-to-medium duty applications. Exact load capacity depends on belt width, number of teeth in mesh, and operating speed. For this 12.7mm (1/2") wide belt, typical working tension is generally in the range of 50–150 N, though you should consult your system’s design requirements to confirm suitability for your specific load.

Are these timing belts suitable for outdoor or wet environments?

These belts are made from rubber elastomer with internal cord reinforcement. They are generally not recommended for prolonged outdoor UV exposure or continuous immersion in water or oils. In most cases, they perform well in dry, indoor environments. For harsh or chemical-exposed environments, consider polyurethane timing belts instead.

Are these belts compatible with standard XL pulleys?

Yes. These belts follow the standard XL tooth profile (5.08mm pitch, typically 2.3mm tooth height) and are compatible with any standard XL-profile pulley or sprocket. Always verify the pulley groove width accommodates a 12.7mm (1/2") wide belt before ordering.

How do I convert the belt perimeter between mm and inches?

Divide millimeters by 25.4 to get inches. For example, 254mm ÷ 25.4 = 10.0" (100XL), and 508mm ÷ 25.4 = 20.0" (200XL). The XL model number equals the perimeter in tenths of an inch, so 150XL = 15.0" = 381mm. Use this formula to quickly cross-reference any size in this listing.

Can I buy multiple belts at a discount?

Yes. Each listing offers quantity options of 1, 2, 3, 4, or 5 pieces per order. The per-unit price decreases as quantity increases, making it cost-effective to stock spare XL drive belt replacements for ongoing maintenance or production use.

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

XL Timing Belt 12.7mm Wide — 50 to 100 Teeth | Rubber Drive Belt 254mm–508mm Perimeter

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Beschreibung

XL Timing Belt 12.7mm Wide — Reliable Rubber Drive Belt for Precision Motion Control

✅ Key Features of These XL Rubber Timing Belts

📐 Technical Specifications — XL Rubber Timing Belt 12.7mm Width

❓ Frequently Asked Questions

XL Timing Belt 12.7mm Wide — 50 to 100 Teeth | Rubber Drive Belt 254mm–508mm Perimeter

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