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home > Closed Loop Timing Belt 2202–2397mm Perimeter | PU Steel Wire Reinforced | 10–30mm Width > Closed Loop Timing Belt 2202–2397mm Perimeter | PU Steel Wire Reinforced | 10–30mm Width

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Closed Loop Timing Belt 2202–2397mm Perimeter | PU Steel Wire Reinforced | 10–30mm WidthClosed Loop Timing Belt 22022397mm Precise Drive, Zero Stretch When your CNC router skips a step, your 3D printer loses registration, or your conveyor drifts out of sync, the culprit is almost always belt stretch or a poorly joined loop. Engineers, makers, and automation technicians who need repeatable, backlash free motion demand a belt that holds its pitch under load every cycle, every time. This listing covers closed loop (endless) timing belts

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Closed Loop Timing Belt 2202–2397mm — Precise Drive, Zero Stretch

When your CNC router skips a step, your 3D printer loses registration, or your conveyor drifts out of sync, the culprit is almost always belt stretch or a poorly joined loop. Engineers, makers, and automation technicians who need repeatable, backlash-free motion demand a belt that holds its pitch under load — every cycle, every time.

This listing covers closed-loop (endless) timing belts with perimeters ranging from 2202mm (≈86.7") to 2397mm (≈94.4"), available in widths of 10mm, 15mm, 20mm, and 30mm. Each belt is manufactured from polyurethane (PU) with a built-in steel wire tensile cord for high strength and minimal elongation. The closed-loop construction means no splice, no weak point — just a seamless drive surface.

Typical applications include desktop CNC machines and laser cutters requiring precise axis positioning, 3D printer motion systems where consistent belt tension is critical, and light industrial conveyor and automation drives where a reliable closed-loop timing belt replacement is needed without custom fabrication.

ℹ️ Compatibility Note: Verify your pulley's tooth pitch and groove width before ordering. Belt perimeter and width must match your pulley spec. If unsure, contact us with your pulley tooth count and pitch — we'll help you confirm the right size.

✅ Key Features of These Closed Loop PU Timing Belts

🔩Steel Wire Tensile Core — Built-in steel cord reinforcement delivers high tensile strength and near-zero elongation, keeping your closed loop timing belt drive in sync under sustained load.
🔄Seamless Closed-Loop Construction — Manufactured as an endless loop with no splice or joint, eliminating the failure point common in cut-and-joined belts and ensuring smooth, consistent rotation.
🧪Polyurethane (PU) Body — PU resists oils, mild chemicals, and moisture better than rubber alternatives, making this belt suitable for light industrial and workshop environments.
📐Wide Size Selection — Perimeters from 2202mm to 2397mm in 3mm increments, with four width options (10 / 15 / 20 / 30mm), covering a broad range of CNC timing belt and automation drive applications.
⚙️Consistent Tooth Profile — Uniform tooth geometry across the full loop ensures even load distribution and reliable mesh with standard timing pulleys, reducing vibration and noise.
🚀Drop-In Replacement Sizing — Perimeter and tooth count are clearly labeled (e.g., 2250mm / 750 Teeth), making it straightforward to match a worn-out belt or spec a new drive without measuring from scratch.

📐 Technical Specifications — Closed Loop PU Timing Belt

Belt Type	Closed Loop (Endless) Timing Belt
Material	Polyurethane (PU) with built-in steel wire tensile cord
Perimeter Range	2202mm (≈86.7") – 2397mm (≈94.4")
Perimeter Increment	3mm per step
Tooth Count Range	734 Teeth – 799 Teeth (see variant options)
Available Widths	10mm / 15mm / 20mm / 30mm
Pitch	See variant options — contact us to confirm compatibility
Tensile Cord	Steel wire (built-in)
Elongation	Low (steel wire reinforced)
Chemical Resistance	Oils, mild solvents, moisture (PU body)
Suitable Applications	CNC routers, 3D printers, laser cutters, light conveyor drives, automation systems
Joint Type	Seamless / Endless (no splice)
Color / Finish	See variant options
Country of Origin	Contact us to confirm

⚠️ Before You Order: Confirm your pulley's pitch and groove width match this belt. The tooth count listed (e.g., 750 Teeth for 2250mm) is based on the belt's pitch — mismatched pitch will prevent proper meshing. When in doubt, contact us.

❓ Frequently Asked Questions

How do I choose the correct perimeter length for my timing belt?

Measure the center-to-center distance between your two pulleys, then calculate the belt path length. A general formula is: Belt Length ≈ 2 × Center Distance + π × (D1 + D2) / 2. For example, a 2250mm (≈88.6") belt typically suits setups with a combined pulley circumference and span in that range. When in doubt, go one size up — a slightly longer belt is easier to tension than one that's too short.

What width should I choose — 10mm, 15mm, 20mm, or 30mm?

Width determines load capacity. For light-duty 3D printers and small CNC routers, 10mm is generally sufficient. For mid-range automation or conveyor systems, 15–20mm provides more torque transfer. For heavy-duty industrial drives, 30mm is typically recommended. Always match the belt width to your pulley groove width.

How strong is this belt — what load can it handle?

The steel wire core provides high tensile strength with minimal elongation under load. Exact load ratings vary by width and pitch, but the built-in steel reinforcement generally delivers significantly higher tensile capacity than fiber-cord alternatives. Contact us to confirm load specs for your specific application.

Can this belt be used outdoors or in wet environments?

Polyurethane (PU) offers good resistance to oils, mild chemicals, and moisture, making it generally suitable for light outdoor or damp indoor environments. However, prolonged UV exposure or immersion in harsh chemicals may degrade the material over time. For fully outdoor installations, consider adding a protective cover.

What pitch does this belt use — is it compatible with standard pulleys?

This belt is designed for standard closed-loop timing belt pulleys. The pitch (tooth spacing) should be confirmed against your pulley spec before ordering. Common compatible pitches include MXL, XL, L, and T-series profiles. Please contact us with your pulley tooth count and pitch to confirm compatibility.

How do I convert the perimeter from mm to inches?

Divide the mm value by 25.4. For example: 2250mm ÷ 25.4 ≈ 88.6", 2300mm ÷ 25.4 ≈ 90.6", 2397mm ÷ 25.4 ≈ 94.4". All perimeter options in this listing range from approximately 86.7" (2202mm) to 94.4" (2397mm).

What does 'closed loop' mean and why does it matter?

A closed loop (also called endless) belt has no joint or splice — it is manufactured as a continuous loop. This eliminates the weak point of a joined belt, providing smoother operation, more consistent tension, and longer service life compared to cut-and-joined alternatives.

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

Closed Loop Timing Belt 2202–2397mm Perimeter | PU Steel Wire Reinforced | 10–30mm Width

Name: Closed Loop Timing Belt 2202–2397mm Perimeter | PU Steel Wire Reinforced | 10–30mm Width
Brand: auxtoursdunmonde.com
SKU: 26627849758
Price: 320.00 USD
Availability: InStock
Rating: 4.824400000000001 (184 reviews)