PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm
PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm
PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm
PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm
PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm
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PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mmPU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mmPU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mmPU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mmPU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm

PU Round Hollow Drive Belt — Connectible Polyurethane Belting, OD 5mm to 10mm

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PU Round Hollow Drive Belt — Flexible Polyurethane Belting for Light Machinery & Conveyors

When a worn or snapped drive belt brings your conveyor, woodworking machine, or light industrial equipment to a halt, finding the right replacement fast matters. These PU round hollow drive belts are designed for DIYers, maintenance technicians, and small shop operators who need a reliable, field-cuttable belting solution without waiting on custom orders.

Each listing covers connectible polyurethane round hollow belting available in four cross-section sizes — H5 (OD 5mm / ≈3/16"), H6 (OD 6mm / ≈1/4"), H8 (OD 8mm / ≈5/16"), and H10 (OD 10mm / ≈3/8") — sold by the meter (1m or 20m rolls) or as individual connector buckles. The hollow-core construction allows the matching buckle connector to lock both cut ends into a seamless loop without adhesives or heat tools.

Typical applications include light conveyor belt replacement, woodworking lathe drive systems, packaging machinery, and small appliance power transmission — anywhere a round-groove pulley system needs a flexible, oil-resistant polyurethane drive belt that can be sized on the spot.

🔗 Compatibility Note: These belts fit standard round-groove pulleys. Match the belt OD (5 / 6 / 8 / 10mm) to your pulley groove diameter. Connector buckles must match the belt size — sold separately or select the buckle variant above.

✅ Key Features of These PU Round Hollow Drive Belts

  • ✂️Cut-to-Length Convenience — Order by the meter and cut to your exact loop length on-site, eliminating the need for pre-sized replacement belts.
  • 🔩Tool-Free Buckle Connection — The hollow-core design accepts matching connector buckles that join belt ends securely without glue, heat, or special equipment — ideal for field repairs on conveyor and drive systems.
  • 🧪Oil & Moisture Resistant PU Material — Polyurethane construction resists oils, mild chemicals, and light moisture, outperforming standard rubber belting in workshop and light industrial environments.
  • 📐Four Cross-Section Sizes — H5 through H10 cover the most common round-groove pulley profiles (OD 5mm to 10mm), making these belts compatible with a wide range of light machinery and woodworking equipment.
  • ⚙️Consistent Round Profile — Uniform circular cross-section ensures smooth, low-vibration power transmission in round-belt pulley systems, reducing wear on both belt and pulley groove.
  • 📦Flexible Quantity Options — Available in 1-meter lengths for single repairs or 20-meter rolls for workshops and production lines, with connector buckles available individually to match any size.

📐 Technical Specifications — PU Round Hollow Drive Belt

Material Polyurethane (PU)
Belt Profile Round hollow (open core)
Available Sizes (OD) H5: 5mm (≈3/16") | H6: 6mm (≈1/4") | H8: 8mm (≈5/16") | H10: 10mm (≈3/8")
Wall Thickness (approx.) H5: 1.8mm | H6: 2mm | H8: 2.8mm | H10: 4.3mm
Available Lengths 1 meter / 20 meters (belt); 1 piece (connector buckle)
Connection Method Hollow-core buckle connector (tool-free, no adhesive required)
Typical Applications Light conveyors, woodworking lathes, packaging machinery, small appliance drives
Chemical Resistance Resistant to oils and mild chemicals; verify for harsh chemical environments
Color See variant options
Operating Temperature Contact us to confirm
Tensile Strength Contact us to confirm
Country of Origin See variant options
⚠️ Before ordering: Measure your pulley groove diameter and confirm it matches the belt OD. For high-torque or continuous-duty applications, contact us to verify suitability.

❓ Frequently Asked Questions

How do I choose the right belt size — H5, H6, H8, or H10?

Match the belt's outer diameter (OD) to your pulley groove width. H5 has an OD of 5mm (≈3/16"), H6 is 6mm (≈1/4"), H8 is 8mm (≈5/16"), and H10 is 10mm (≈3/8"). When in doubt, measure your existing belt or pulley groove and select the closest match. Contact us to confirm if you are unsure.

How do I connect the belt ends to form a loop?

Cut the belt to your required length, then insert both ends into the matching connector buckle (sold separately or select the buckle variant above). The buckle locks the hollow ends together without glue or heat, creating a seamless loop. Make sure to select the buckle that matches your belt size (H5, H6, H8, or H10).

What load or tension can these polyurethane drive belts handle?

Polyurethane round belts are generally suited for light-to-medium duty power transmission applications. Actual load capacity depends on belt size, pulley diameter, and operating speed. For heavy-duty or high-torque applications, we recommend contacting us to confirm suitability before ordering.

Can these belts be used outdoors or in wet environments?

Polyurethane (PU) offers good resistance to oils, mild chemicals, and moisture, making it more suitable for damp or lightly wet environments than standard rubber belts. However, prolonged UV exposure or immersion in harsh chemicals may reduce belt life. For outdoor or washdown applications, verify operating conditions before use.

Are these belts compatible with standard round-belt pulleys?

Yes. These round hollow belts are designed to fit standard round-groove pulleys. The OD sizes (5mm, 6mm, 8mm, 10mm) correspond to common pulley groove profiles used in light machinery, conveyor systems, and woodworking equipment. Always verify your pulley groove diameter matches the belt OD before ordering.

How much belt do I need — should I order 1 meter or 20 meters?

Measure the total loop length required for your application, then add a small allowance (typically 5–10%) for cutting and joining. The 1-meter option is ideal for single-machine repairs or prototyping. The 20-meter roll is more economical for workshops, production lines, or multiple machines. Connector buckles are sold separately by the piece.

What is the wall thickness of the hollow belt, and does it affect flexibility?

Wall thickness varies by size: H5 is approximately 1.8mm, H6 approximately 2mm, H8 approximately 2.8mm, and H10 approximately 4.3mm. Thinner walls generally allow tighter bend radii, making smaller sizes better suited for small-diameter pulleys. Larger sizes offer more rigidity and are typically used on larger pulley systems.

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

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