Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red
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Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, RedRound Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red

Round Polyurethane Drive Belt – PU Round Belting Rod 2mm–18mm, Red

HomeDIYer
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By HomeDIYer®

Price:
$2.35 USD
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In stock (500 units), ready to be shipped

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Description

 

Round Polyurethane Drive Belt — Flexible PU Round Belting for Conveyors, Lathes & DIY Drives

When a worn or undersized drive belt causes slippage, vibration, or downtime on your conveyor, lathe, or light machinery, finding the right replacement in the right size shouldn't be a project in itself. This round polyurethane drive belt is designed for hobbyists, machinists, and small-shop operators who need a reliable, cut-to-length solution without ordering a custom part or waiting weeks for a specialty supplier.

Each order is fulfilled as a continuous round PU belting rod in your chosen diameter and length. Diameter options run from 2mm (≈5/64") to 18mm (≈45/64"), and lengths are available from 1M (≈3.3 ft) up to 100M (≈328 ft) — so you can cut exactly what your machine requires. The material is solid polyurethane, offering a smooth, consistent surface with good elasticity and oil resistance throughout the cross-section.

Typical applications include flat-bed and roller conveyor drives, wood lathe and metal lathe belt replacements, pottery wheel drives, small packaging machinery, and DIY power transmission projects where a round-groove pulley system is used. The red color makes it easy to spot during inspection and maintenance — a practical detail for anyone running a round belt drive on a lathe or conveyor line.

ℹ️ Compatibility: Designed for round-groove (U-groove) pulleys only. Not compatible with V-belt or flat-belt pulley profiles. Match belt diameter to your pulley groove width for proper seating.

✅ Key Features of These Round Polyurethane Drive Belts

  • 🔴Solid Polyurethane Construction — Full-section PU rod with consistent elasticity and smooth surface finish, suitable for round-groove pulley drive systems in conveyors and lathes.
  • 📏Wide Diameter Range (2mm–18mm) — Eleven diameter options from 2mm (≈5/64") to 18mm (≈45/64") cover most light-to-medium round belt drive applications without custom ordering.
  • ✂️Cut-to-Length Flexibility — Available in lengths from 1M to 100M, letting you order the exact amount needed for your machine and minimize waste on replacement or new-build projects.
  • 🛢️Oil & Moisture Resistance — Polyurethane material generally resists light oils, greases, and moisture, making it a practical choice for workshop machinery and light conveyor environments.
  • 🔗Heat-Weldable & Spliceable — Ends can be joined by hot-knife heat welding or PU belt adhesive, allowing you to form a continuous loop sized precisely to your pulley center distance.
  • 👁️High-Visibility Red Color — The red finish makes the belt easy to inspect during routine maintenance on lathes, conveyors, and other round belt drive machinery.

📐 Technical Specifications — Round PU Drive Belting

Material Solid Polyurethane (PU)
Color Red
Cross-Section Round (circular)
Diameter Options 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 18mm
Length Options 1M, 2M, 3M, 5M, 8M, 10M, 20M, 25M, 50M, 100M
Pulley Compatibility Round-groove (U-groove) pulleys only
Joining Method Heat welding (hot-knife) or PU belt adhesive
Operating Temperature Typically –20°C (–4°F) to +80°C (176°F)
Oil Resistance Good (light oils and greases)
Surface Finish Smooth
Tensile Strength See variant options / Contact us to confirm
Hardness (Shore A) Contact us to confirm
Country of Origin Contact us to confirm
⚠️ Size Tip: If you're replacing an existing belt, measure the diameter of the old belt with calipers — not the pulley groove width alone. The belt should seat snugly in the groove without excessive compression or gap.

❓ Frequently Asked Questions

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

Match the diameter to your pulley groove width. Typically, the belt diameter should equal or be slightly larger than the groove width so it seats firmly. Common pairings: 2mm–3mm for small precision drives, 4mm–6mm for light machinery, 8mm–18mm for heavier conveyor or lathe applications. When in doubt, measure your existing belt or groove with calipers.

How much tension or load can these round belts handle?

Load capacity depends on diameter and application speed. Generally, larger diameters (8mm–18mm) handle heavier torque loads, while smaller diameters (2mm–5mm) are suited for light-duty precision drives. For specific load ratings, contact us to confirm suitability for your machine.

Can these PU round belts be used outdoors or in wet environments?

Polyurethane is generally resistant to moisture, mild oils, and many common chemicals, making it suitable for light outdoor or damp indoor use. However, prolonged UV exposure or immersion in harsh solvents may degrade the material over time. For fully outdoor or chemically aggressive environments, contact us to confirm compatibility.

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

These round belts are designed for round-groove (U-groove) pulleys. They are not intended for V-belt pulleys. Ensure your pulley has a matching round groove profile sized to the belt diameter you select.

How do I join or splice the belt ends together?

Polyurethane round belts are typically joined by heat welding (hot-knife or hot-plate method) or with PU belt cement/glue. Heat welding produces the strongest, most seamless joint. Cut both ends cleanly at 90°, heat until tacky, then press firmly together and hold until cooled. Adhesive splicing is an alternative for field repairs.

What length should I order for my machine?

Measure the center-to-center distance between your pulleys, then calculate the belt circumference: approximately 2 × center distance + π × pulley diameter. Add 10–15% extra for tensioning and splicing. We offer lengths from 1M up to 100M so you can order exactly what you need and cut to size.

What is the operating temperature range for this polyurethane belting?

Polyurethane round belting typically performs well in temperatures ranging from approximately –20°C (–4°F) to +80°C (176°F). Performance outside this range may vary. Contact us to confirm if your application involves extreme temperatures.

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

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