Carbon Steel Rubber Coated Roller for Mining

AstraRoll's Carbon Steel Rubber Coated Rollers are heavy-duty engineering components specifically designed to withstand the abrasive and high-impact environments of the mining and bulk material handling industries. Each roller features a high-tensile carbon steel core reinforced for structural rigidity, which is then encapsulated in a high quality vulcanized rubber layer. This rubber coating acts as a protective shield, facilitating the smooth moving of heavy ores, coal, and aggregates while significantly reducing conveyor belt wear and dampening operational vibrations.

Built to operate in the most punishing conditions—including extreme moisture, dust, and chemical exposure—these rollers support a higher loading capacity than standard industrial idlers. The specialized rubber lagging provides superior grip to prevent belt slippage and is engineered for exceptional driving quiet wear resistance. Furthermore, our mining-grade rollers are fully customizable to interface seamlessly with various models of heavy-duty conveyor systems and primary crushing circuits, ensuring long-term reliability in 24/7 operations.

Technical Parameter

Base Material: Heavy-duty Carbon Steel (S235JR / Q235B) or Seamless Steel Pipe

Coating Material: High Quality Natural Rubber, SBR, or NBR (Hot Vulcanized)

Tube Diameter: Ø89mm, Ø108mm, Ø133mm, Ø159mm, Ø194mm

Wall Thickness: 4.0mm – 12mm (Reinforced for heavy impact)

Shaft Diameter: Ø20mm, Ø25mm, Ø30mm, Ø40mm (Cold-drawn Steel)

Load Capacity: 500kg – 2500kg per roller (Supports higher loading capacity)

Bearing Type: Deep Groove Ball Bearings (C3/C4 clearance) with Triple Labyrinth Seal

Surface Hardness: 60 – 70 Shore A (Customizable for impact vs. abrasion)

Surface Finish: Smooth, Diamond Groove, or Herringbone (for self-cleaning/grip)

Operating Temp: -25°C to +90°C (Reliable for smooth driving in extreme climates)

Application Industrial

Coal & Iron Ore Mining: High-capacity overland conveyors and underground transport lines.

Quarrying & Aggregates: Impact loading points for crushed stone, sand, and gravel.

Cement & Steel Plants: Handling of raw materials and hot clinker in abrasive environments.

Bulk Port Terminals: Large-scale loading and unloading systems for minerals and grains.

Chemical & Fertilizer Plants: Transport of corrosive bulk materials requiring high quality protective lagging.

Why choose AstraRoll's Carbon Steel Rubber Coated Roller?

Superior Impact Absorption: The thick, vulcanized rubber layer absorbs kinetic energy at loading points, protecting your belt from punctures and facilitating smooth moving of bulk loads.

Reinforced Core for Heavy Loads: We utilize thick-walled seamless steel tubes to support a higher loading capacity, preventing shaft deflection and tube failure under extreme stress.

Advanced Sealing Technology: Equipped with multi-stage labyrinth seals to prevent the ingress of dust and water, ensuring exceptional driving quiet wear resistance and bearing longevity.

Anti-Slip & Self-Cleaning: The high-friction rubber surface ensures stable smooth driving, even in wet or muddy conditions, while specialized patterns help shed material buildup.

Safety & Compliance: Furthermore, our rubber coated rollers are fully customizable to interface seamlessly with various models of safety-critical systems, including flame-retardant and anti-static (FRAS) rubber for underground mining.

FAQ

Q: Is the rubber coating bonded to the steel or just a sleeve?

A: We use a high quality hot vulcanization process that chemically bonds the rubber to the steel core, ensuring it will not peel or slip even under a higher loading capacity.

Q: Do you offer different rubber patterns?

A: Yes. We provide smooth, diamond, and herringbone patterns to optimize driving quiet wear resistance and grip based on your specific material handling needs.

Q: How do your rollers perform in highly corrosive environments?

A: The rubber coating covers the entire tube surface, acting as a barrier against corrosion. Our rollers are fully customizable to interface seamlessly with stainless steel shafts for maximum protection in acidic or salty conditions.

Q: Can these rollers be used as impact rollers at the feed point?

A: Absolutely. They are specifically designed to facilitate the smooth moving of materials at high-impact transfer points, significantly extending the life of your conveyor belt.

Q1. Are you a trader or direct factory?

We are a direct manufacturing factory with over 20 years of expertise in high-end industrial rollers, casters and material handling solutions. Our facility operates with ISO-certified quality management systems, allowing us to maintain full control over production cycles and quality standards. Throughout two decades of growth, we have established deep, long-term strategic partnerships with several listed companies and global automation leaders, proving our reliability as a high-tier industrial supplier.

Q2. What are your main products?

AstraRoll specializes in the engineering and production of three core product lines: Industrial Rollers, Heavy-Duty Wheels, and Precision Casters. We do not just sell components; we provide integrated movement and transport solutions. Our products are widely utilized across high-demand sectors, including: New Energy, Lithium Battery, Mining, Heavy Industry, Medical Institutional, Agriculture and Logistics.

Q3. What about delivery time?

We deeply understand that project timelines are critical.
Standard Products: Usually dispatched within 7–15 working days if the components are in stock.
Customized/OEM Orders: Depending on the complexity and volume, the lead time typically ranges from 20–35 days. This includes time for technical drawing confirmation, specialized tooling, and rigorous pre-shipment testing.
Shipping Methods: We offer flexible global logistics solutions, including FOB and CIF terms. We ship via Sea Freight (for bulk industrial orders), Air Freight (for urgent project needs), and International Express (DHL/FedEx/TNT) for smaller components or samples.

Q4. How can I get a quote for customized products?

Since a significant portion of our business involves specialized engineering, pricing is tailored to your specific technical requirements. To provide an accurate quote, please provide the following details: Technical Drawings or Sketches, Application Environment, Quantity, Special Requests. Our engineering team typically reviews and responds to custom inquiries with a formal quotation within 24–48 hours.

Q5. What is your payment?

TT / Paypal / Western Union / LC / Credit Card etc. are all available to us.