PU Round Drive Belt — Polyurethane Closed Loop Belting, φ1.5mm–φ12mm

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PU Round Drive Belt — Polyurethane Closed Loop Belting, φ1.5mm–φ12mm

Name: PU Round Drive Belt — Polyurethane Closed Loop Belting, φ1.5mm–φ12mm
Brand: HomeDIYer
Price: 6.87 USD
Availability: InStock

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By HomeDIYer®

Type: Red (smooth)

Diameter: φ2mm

Length: 1 Meter

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$6.87 USD

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In stock (500 units), ready to be shipped

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PU Round Drive Belt — Reliable Polyurethane Closed Loop Belting for Conveyors & Machinery

When a worn or snapped drive belt brings your conveyor, packaging line, or woodworking machine to a halt, finding the right replacement fast matters. These solid polyurethane round drive belts are stocked in a wide range of diameters and lengths, giving maintenance technicians, machine builders, and DIY workshop owners a ready supply of cut-to-length belting without waiting on custom orders.

Each listing covers solid PU round belts available in two surface types — Red (smooth) for high-speed drive applications and Green (rough) for grip-critical conveyor runs — with diameters from φ1.5mm (≈1/16") up to φ12mm (≈15/32"), sold in lengths of 1 meter (≈3.3 ft), 2 meters (≈6.6 ft), 5 meters (≈16.4 ft), and 10 meters (≈32.8 ft). The solid round cross-section is consistent throughout, with no hollow core, ensuring even load distribution across the belt path.

Typical applications include light conveyor belt replacement for food-processing and packaging equipment, round-belt drive systems on textile machinery and sewing machine motors, and power transmission on woodworking lathes and small industrial drives where a flexible, oil-resistant polyurethane round drive belt is specified.

ℹ️ Compatibility Note: These are solid round-section belts for round-groove pulleys only. They are not compatible with V-belt or flat-belt pulley profiles. Verify your pulley groove diameter matches your selected belt diameter before ordering.

✅ Key Features of These PU Round Drive Belts

🔴Two Surface Options — Red smooth surface for low-friction high-speed drives; green rough-textured surface for slip-resistant conveyor and grip-drive applications.
📏Wide Diameter Range — φ1.5mm through φ12mm covers the most common round-groove pulley sizes found in packaging machinery, textile drives, and light industrial conveyors.
✂️Cut-to-Length Stock — Available in 1m, 2m, 5m, and 10m lengths so you can size the belt to your exact drive path and minimize waste when cutting multiple loops from a single length.
⚙️Solid Round Cross-Section — No hollow core means consistent flexibility and even tension distribution around small-radius pulleys, reducing the risk of belt deformation under load.
🛡️Oil & Abrasion Resistant PU Material — Polyurethane construction offers resistance to oils, mild chemicals, and surface abrasion — a practical advantage over rubber belts in light industrial environments.
🔗Weld-Joinable Ends — Ends can be joined using a standard PU belt hot-splice tool to form a seamless closed loop, making these belts suitable for both replacement and custom-length drive belt fabrication.

📐 Technical Specifications — PU Solid Round Drive Belt

Material	Solid Polyurethane (PU)
Surface Type	Red: Smooth / Green: Rough (textured)
Diameter Range	φ1.5mm (≈1/16") — φ12mm (≈15/32")
Available Diameters	φ1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 mm
Available Lengths	1m (≈3.3 ft), 2m (≈6.6 ft), 5m (≈16.4 ft), 10m (≈32.8 ft)
Cross-Section	Solid round (no hollow core)
Belt Type	Open-length stock (closed loop by hot-splice or mechanical clip)
Pulley Compatibility	Round-groove pulleys only (not V-belt or flat-belt profiles)
Typical Applications	Conveyors, packaging machinery, textile drives, woodworking lathes, light industrial power transmission
Operating Temperature	See variant options / Contact us to confirm
Color Coding	Red = smooth surface; Green = rough surface
Country of Origin	See variant options

⚠️ Sizing Tip: If you are replacing an existing belt, measure the belt path circumference (not just the center distance between pulleys) and add 5–10% for tensioning allowance before selecting your length.

❓ Frequently Asked Questions

How do I choose the right diameter for my drive belt?

Match the belt diameter to your pulley groove width. Generally, the belt should sit slightly proud of the groove — typically 10–20% larger than the groove depth. For example, a φ3mm (≈1/8") belt suits small precision pulleys, while φ8–12mm belts are used for heavier conveyor or drive applications. When in doubt, consult your equipment manual or contact us to confirm.

What load or tension can these round belts handle?

Polyurethane round belts generally offer good tensile strength for light-to-medium duty power transmission. Exact load ratings depend on diameter and operating speed. Larger diameters (φ8–12mm) typically handle higher tension. For critical load applications, contact us to confirm suitability.

Can these belts be used outdoors or in wet environments?

Polyurethane is generally resistant to oils, mild chemicals, and moisture, making it suitable for light outdoor or damp indoor use. However, prolonged UV exposure or immersion in harsh chemicals may reduce belt life. For outdoor conveyor applications, the green rough-surface variant typically provides better grip on wet surfaces.

Are these belts compatible with standard V-belt or round-groove pulleys?

These are solid round-section belts designed for round-groove pulleys, not V-belt pulleys. They are compatible with standard round-groove drive systems commonly found in packaging machinery, textile equipment, and light conveyors. Verify your pulley groove profile before ordering.

What is the difference between the Red (smooth) and Green (rough) belts?

The Red (smooth) belt has a polished surface suited for high-speed drives where low friction contact is needed. The Green (rough) belt has a textured surface that provides additional grip — ideal for conveyor applications where the belt contacts product directly or where slip resistance is important.

How do I join or close the loop on these belts?

These belts are sold as open-length stock (1m, 2m, 5m, or 10m). To create a closed loop, the ends are typically joined using a hot-splice welding tool or mechanical belt clips. For a seamless join, a PU belt welding kit is recommended. Contact us if you need guidance on joining methods for your specific diameter.

Which length should I order?

Measure the total belt path length around your pulleys and add approximately 5–10% for tensioning and joining overlap. Order the next length up from your measurement. For example, if your belt path is 1.8m (≈5.9 ft), order the 2m length. Longer lengths (5m or 10m) are economical for workshops that cut multiple belts from stock.

🛒 Select your type, diameter, and length above, then add to cart — ships from our US warehouse.

PU Round Drive Belt — Polyurethane Closed Loop Belting, φ1.5mm–φ12mm

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Description

PU Round Drive Belt — Reliable Polyurethane Closed Loop Belting for Conveyors & Machinery

✅ Key Features of These PU Round Drive Belts

📐 Technical Specifications — PU Solid Round Drive Belt

❓ Frequently Asked Questions

PU Round Drive Belt — Polyurethane Closed Loop Belting, φ1.5mm–φ12mm

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