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home > Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width > Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width

Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width main image 0

Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width main image 1

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Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm WidthClosed Loop Timing Belt 16001799mm Precise, Low Stretch Drive for CNC, 3D Printers & Automation When a slipping or stretched belt throws off your CNC router, 3D printer, or conveyor system, every job suffers. Engineers, makers, and machine builders who need repeatable, backlash free motion rely on a belt that holds its length under load not one that creeps and causes positioning errors over time. Each belt in this range is a seamless closed loop made

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Closed Loop Timing Belt 1600–1799mm — Precise, Low-Stretch Drive for CNC, 3D Printers & Automation

When a slipping or stretched belt throws off your CNC router, 3D printer, or conveyor system, every job suffers. Engineers, makers, and machine builders who need repeatable, backlash-free motion rely on a belt that holds its length under load — not one that creeps and causes positioning errors over time.

Each belt in this range is a seamless closed loop made from polyurethane (PU) with built-in steel wire reinforcement. Available in perimeters from 1602mm (≈63.1") to 1797mm (≈70.8"), with widths of 10mm (≈3/8"), 15mm (≈19/32"), 20mm (≈25/32"), and 30mm (≈1-3/16"). The 3mm tooth pitch is compatible with standard metric timing pulleys. Select your exact perimeter and width from the variant options above.

Typical applications include CNC router X/Y axis drives, FDM 3D printer motion systems, pick-and-place automation, linear actuators, and light conveyor drives — anywhere a closed loop timing belt with low elongation and consistent tooth engagement is required.

ℹ️ Compatibility Note: This belt uses a 3mm tooth pitch (3M profile). Verify your pulley's pitch, groove width, and flange clearance match your selected belt width before ordering. Perimeter must match your drive geometry exactly.

✅ Key Features of These Closed Loop PU Timing Belts

🔩Steel Wire Core — Built-in steel wire reinforcement minimizes elongation under tension, keeping your closed loop timing belt drive accurate over thousands of cycles.
🔄Seamless Closed Loop Construction — No joint, no splice, no weak point. The endless loop design eliminates the vibration and wear associated with jointed belts.
📐Wide Size Selection — Perimeters from 1602mm to 1797mm in 3mm increments, with four width options (10 / 15 / 20 / 30mm) to match your specific drive geometry.
🧪Polyurethane (PU) Body — PU offers better oil and abrasion resistance than neoprene, making this timing belt suitable for light industrial and workshop environments.
⚙️3mm Pitch Tooth Profile — Designed for standard metric 3M timing pulleys, providing positive engagement and consistent indexing in CNC and automation applications.
📦Ships Ready to Install — Each belt is individually packaged and ships from our US warehouse, so you get the right size without waiting on overseas lead times.

📐 Technical Specifications — Closed Loop PU Timing Belt

Belt Type	Closed Loop (Endless) Timing Belt
Material	Polyurethane (PU) with built-in steel wire reinforcement
Tooth Pitch	3mm (3M profile — confirm pulley compatibility)
Perimeter Range	1602mm (≈63.1") – 1797mm (≈70.8")
Perimeter Increment	3mm per step (see variant options)
Available Widths	10mm (≈3/8") / 15mm (≈19/32") / 20mm (≈25/32") / 30mm (≈1-3/16")
Tooth Count	534–599 teeth (varies by perimeter; see variant label)
Tensile Element	Steel wire (built-in, continuous)
Elongation	Low (steel wire reinforced — typically <1% under rated load)
Operating Temperature	See variant options
Color / Finish	See variant options
Compatibility	Standard 3M metric timing pulleys; confirm groove width matches belt width
Installation Type	Slide over pulleys before assembly (closed loop — cannot be opened)
Country of Origin	Contact us to confirm

⚠️ Installation Note: Closed loop belts must be installed before the shaft or bearing is assembled. They cannot be split or re-joined. Measure your drive geometry carefully before selecting a perimeter.

❓ 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 use the formula: Perimeter ≈ 2 × C + π × (D1 + D2) / 2. Alternatively, count the teeth on your existing belt and multiply by the pitch (e.g., 3mm × 534 teeth = 1602mm). If you're between sizes, generally size up to avoid over-tensioning. To convert mm to inches, divide by 25.4 — for example, 1650mm ÷ 25.4 ≈ 65.0".

What pitch does this timing belt use?

This belt is typically a 3mm pitch (3M profile). The pitch must match your pulley exactly for proper tooth engagement. Check your pulley's tooth pitch before ordering — using a mismatched pitch will cause skipping or belt damage.

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

The built-in steel wire core provides high tensile strength with minimal elongation. Wider belts (20mm, 30mm) generally handle higher torque loads than narrower ones (10mm, 15mm). For precision applications, match the belt width to your drive system's torque specification. Contact us to confirm load ratings for your specific width.

Can this belt be used outdoors or in wet/oily environments?

Polyurethane (PU) generally offers better resistance to oils, mild chemicals, and moisture compared to neoprene timing belts. For light industrial or workshop environments with occasional oil exposure, PU is typically a good choice. Prolonged outdoor UV exposure or immersion in water is not recommended — inspect periodically if used in such conditions.

What pulley standards is this belt compatible with?

This closed loop timing belt is designed for standard metric 3M timing pulleys. Confirm that your pulley's tooth pitch is 3mm, and that the pulley groove width accommodates your selected belt width (10, 15, 20, or 30mm). Flange clearance should also be verified to prevent belt tracking issues.

How do I convert the perimeter from mm to inches?

Divide the mm value by 25.4. Quick reference examples: 1602mm ≈ 63.1" | 1650mm ≈ 65.0" | 1700mm ≈ 66.9" | 1750mm ≈ 68.9" | 1797mm ≈ 70.8". Always verify against your actual drive geometry rather than relying solely on converted values.

Is this a closed loop (endless) belt or an open-ended belt?

This is a closed loop (endless) timing belt — it has no seam, joint, or splice. It must be installed by sliding it over the pulleys before the shaft or bearing is assembled into the housing. It cannot be opened or re-joined after manufacture. If your application requires an open-ended belt that can be cut to length, this product is not suitable.

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

Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width

Name: Closed Loop Timing Belt 1600–1799mm | PU Steel Wire Reinforced | 10/15/20/30mm Width
Brand: auxtoursdunmonde.com
SKU: 86838870654
Price: 26.14 USD
Availability: InStock
Rating: 4.1368 (1777 reviews)