Description
Custom Grooved Surface PU Rollers For Positive Belt Tracking
Why choose this industrial coating roller?
Feature: Our PU rollers utilize a custom grooved surface with Shore A 70°–95° hardness range and a steel or aluminum core for structural integrity.
Advantage: The groove pattern provides superior belt tracking compared to flat or crowned rollers, reducing belt wander and edge damage. The polyurethane coating offers 3x better abrasion resistance than standard rubber, tested under continuous load conditions.
Benefit: You experience fewer production stoppages, lower belt replacement costs, and improved overall line efficiency. The self-cleaning groove design also minimizes debris buildup, which is critical in food-grade or dusty environments.
Evidence: Our rollers have passed 2000-hour continuous operation tests with less than 0.2 mm wear depth. We provide detailed test reports and a 12-month warranty against manufacturing defects. Our factory has supplied over 500,000 rollers to global clients in packaging, logistics, and automotive assembly lines.
Technical Specifications
Specifications for our custom grooved surface PU rollers, engineered for reliable belt tracking. As a China OEM/ODM manufacturer, we support customized diameters, lengths, and groove profiles.
| Custom Grooved Surface PU Roller – For Positive Belt Tracking | |
| Roller Diameter | 50 mm – 200 mm (custom) |
|---|---|
| Roller Length | 100 mm – 2000 mm (custom) |
| Shaft Diameter | 12 mm – 40 mm (customer specified) |
| Groove Type | V-groove, U-groove, helical, or custom |
| Hardness (Shore A) | 70° / 80° / 85° / 90° / 95° |
| Core Material | Steel (C45) / Aluminum 6061 / Stainless Steel |
| Surface Coating | Polyurethane (PU) — cast or bonded |
| Max Load Capacity | Up to 1500 kg per roller (depending on size) |
| Temperature Range | -20 °C to +80 °C (continuous) |
| Certifications | ISO9001:2015, RoHS, REACH |
✔ Customizable length & diameter. ✔ Precision groove pattern for positive tracking – reduces belt wear. ✔ Full certifications & OEM/ODM support – contact us for bulk orders.
Details Images
Material Properties
| Property | Value / Description |
|---|---|
| Tensile Strength | ≥ 25 MPa (PU coating) |
| Elongation at Break | ≥ 400% |
| Abrasion Resistance (DIN 53516) | ≤ 40 mm³ loss |
| Tear Resistance | ≥ 80 N/mm |
| Rebound Resilience | ≥ 45% (at 23 °C) |
| Oil & Grease Resistance | Excellent — suitable for oily environments |
| Ozone Resistance | No cracking after 72hours exposure (50 pphm) |
| Static Dissipative Option | Available (10⁶ – 10⁸ Ω surface resistivity) |
Our polyurethane formulation is optimized for low rolling resistance and high tear strength, making it ideal for continuous belt tracking applications in packaging lines, conveyor systems, and automated guided vehicles. We also offer custom durometer blends for specialized requirements such as high-temperature or food-contact environments. Custom hardness from Shore 20A to 98A is available from our factory.
About ZHXPRECI – China OEM/ODM Factory
About Us

Customers Visiting

Thank you for visiting our product page. We are a China-based manufacturer specializing in custom polyurethane rollers and industrial wheels since 2010. Our 12,000 m² factory houses advanced CNC lathes, automated casting lines, and dynamic balancing equipment, enabling us to deliver consistent quality for OEM and ODM projects. We serve clients in over 30 countries, providing expert advice on roller selection, groove design, and material optimization. With a dedicated engineering team, we support everything from single prototypes to full production runs with competitive pricing and transparent communication.
Factory & Equipment






Our Certifications (ISO9001, RoHS, Testing Reports)

Production & Inventory Policy
Lead time: Actual delivery time depends on raw material supply, production schedule, and seasonal demand. We provide a realistic estimated ship date after order confirmation and keep you updated throughout the process.
Stock status: We do not maintain large finished goods stock, but selected popular sizes and groove types are available on a revolving basis. Real-time inventory fluctuates with sales and production, so we recommend contacting our sales team to confirm availability before placing an order.
Bulk & urgent orders: For high-volume or time-sensitive projects, please communicate your required timeline with our team early. We will do our best to align our production capacity with your schedule and provide partial shipment options if needed.
Frequently Asked Questions
1. What groove types are available for positive belt tracking?
We offer V-groove, U-groove, helical, and custom groove profiles. The choice depends on your belt material, width, and tracking sensitivity. Our engineering team can recommend the optimal groove geometry based on your application parameters.
2. Can you provide custom shaft dimensions and keyways?
Yes, as a professional OEM/ODM manufacturer in China, we produce rollers with customer-specified shaft diameter, length, keyway size, and retention features. Simply provide your drawing or sample, and we will match it exactly.
3. What is the minimum order quantity (MOQ) for custom rollers?
Our MOQ starts at 10 pieces for standard custom sizes. For prototype or evaluation orders, we can accommodate lower quantities with a short lead time. Wholesale bulk orders receive volume-based pricing and priority production scheduling.
4. How do you ensure the groove consistency across large batches?
We use CNC-controlled grooving machines with automated tool wear compensation. Each roller is inspected with a laser profile gauge, and our ISO9001 system mandates sampling at defined intervals. We provide dimensional inspection reports for every batch upon request.
5. What payment and shipping options do you support?
We accept T/T, L/C, PayPal (for samples), and Western Union. Shipping is via sea freight (FOB/CIF/CNF), air freight, or express courier (DHL/UPS/FedEx) depending on your urgency and budget. We can also arrange door-to-door delivery for smaller orders.
6. Can you help with roller selection if I am not sure about the groove design?
Absolutely. Our sales engineers provide free technical advice. Share your belt type, operating speed, load conditions, and environment details, and we will suggest the most suitable groove pattern, hardness, and core material. We have helped hundreds of clients find the right custom solution for their market needs.
Looking for a reliable manufacturing partner for your belt tracking project?
Get in touch for quick quotes, custom samples, and volume discounts. We are here to support your project from design to delivery with expert advice and competitive pricing.












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