Polyurethane Open Timing Belt 30mm Wide — Precision Linear Drive for Demanding Applications
When a standard rubber belt stretches, slips, or degrades under oil and heat, your machine pays the price in lost positioning accuracy and unplanned downtime. Engineers, machine builders, and serious DIYers who need a reliable open-end timing belt for CNC routers, 3D printers, conveyor systems, and automated linear stages turn to polyurethane construction for its dimensional stability and chemical resistance.
Each belt segment is made from white polyurethane (PU) with steel-cord tensile reinforcement. The belt width is 30mm, and perimeter options span from 2004mm (≈78.9") to 2598mm (≈102.3"), available in 3mm increments across the range. Sold individually (1 piece per order); select your required perimeter from the variant options above.
Typical use cases include CNC router X/Y axis drives where tooth-to-tooth accuracy matters, automated pick-and-place conveyor lines that run through light oil mist, and custom linear actuator builds where the belt must be cut and terminated on-site. The open-end format also suits replacement runs on industrial sewing machines and textile equipment that use wide flat-tooth belts.
ℹ️ Compatibility Note: This belt is 30mm wide. Confirm your pulley groove width, tooth pitch, and tooth profile (e.g., T5, T10, AT5, AT10, or HTD) before ordering. If you are unsure, contact us with your pulley part number or a photo.
✅ Key Features of These Polyurethane Open Timing Belts
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🔩Steel-Cord Tensile Layer — Embedded steel cords resist elongation under load, maintaining consistent tooth pitch across the full belt length for accurate linear positioning.
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🧪Oil- and Chemical-Resistant PU Body — White polyurethane construction holds up in environments with light oil mist, coolant splash, and mild chemical exposure where rubber belts typically swell or crack.
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📏Wide Perimeter Selection — Available in perimeters from 2004mm to 2598mm in fine increments, so you can match your exact drive geometry without cutting waste or compromising tooth count.
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✂️Open-End Format for Custom Lengths — Cut to your required length on-site with a straight edge and utility knife. Ideal for linear motion systems, conveyor drives, and replacement applications where a closed loop cannot be installed.
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📐30mm Consistent Belt Width — Uniform 30mm width across all perimeter variants ensures predictable tracking on standard 30mm-groove pulleys and flanged timing pulley sets.
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🏭Industrial-Grade Tooth Geometry — Molded tooth profile delivers positive engagement with matching pulleys, reducing slip and backlash in precision drive and conveyor timing belt applications.
📐 Technical Specifications — Polyurethane Open Timing Belt
| Material |
White polyurethane (PU) with steel-cord reinforcement |
| Belt Width |
30mm (≈1.18") |
| Perimeter Range |
2004mm (≈78.9") – 2598mm (≈102.3") |
| Perimeter Increment |
Typically 3mm steps (see variant options) |
| Belt Type |
Open-end (straight length, not closed loop) |
| Tooth Profile / Pitch |
See variant options or contact us to confirm |
| Tensile Member |
Steel cord |
| Color |
White |
| Quantity per Order |
1 piece |
| Typical Applications |
CNC routers, linear actuators, conveyor drives, 3D printers, industrial sewing machines |
| Operating Temperature |
Contact us to confirm for your environment |
⚠️ Before You Order: Tooth pitch and profile are critical for proper meshing. Verify your pulley specifications match this belt's tooth geometry. Contact us if you need help confirming compatibility.
❓ Frequently Asked Questions
How do I choose the right perimeter length for my application?
Measure the center-to-center distance between your two pulleys, then calculate the required belt path length. For open-end belts, the perimeter listed is the total usable length of the belt segment. For a quick inch conversion, divide the mm value by 25.4 — for example, 2400mm ÷ 25.4 ≈ 94.5". When in doubt, size up to allow for tensioner adjustment.
What load or tension can this belt handle?
Polyurethane timing belts with steel-cord reinforcement generally support higher tensile loads than standard neoprene belts of the same width. The exact working tension depends on pitch, pulley diameter, and operating speed. Contact us to confirm suitability for your specific load requirements.
Is this belt suitable for outdoor or wet environments?
Polyurethane is generally more resistant to oils, greases, and mild chemicals than rubber. It typically performs well in light-moisture environments. For prolonged outdoor UV exposure or immersion, contact us to confirm compatibility with your specific conditions.
What tooth profile and pitch does this belt use?
This is an open-end polyurethane timing belt. The specific tooth profile (e.g., T5, T10, AT5, AT10, or HTD) and pitch should be confirmed against your pulley specifications before ordering. Please contact us with your pulley details if you need confirmation.
Can I cut this belt to a custom length?
Yes — open-end timing belts are designed to be cut to your required length. Use a sharp utility knife or belt cutter guided by a straight edge to ensure a clean, square cut. Always cut between tooth pitches to maintain accurate tooth count at the splice point.
Will this belt work with my existing pulleys?
Compatibility depends on the tooth pitch and profile of your pulleys. This belt is 30mm wide; your pulley groove width should match or exceed 30mm. Confirm the pitch (e.g., T5, T10, AT, HTD) of your existing pulleys before ordering. Contact us if you need help matching.
What is the difference between open-end and closed-loop timing belts?
A closed-loop belt forms a continuous ring used on fixed center-distance drives. An open-end belt is a straight length that can be cut and joined, making it ideal for linear motion systems, conveyor applications, and custom drive configurations where installing a closed loop is impractical.
🛒 Select your perimeter and quantity above, then add to cart — ships from our US warehouse.
