Custom Carbon Steel Rubber Disc Impact Idler Roller

Product Overview

AstraRoll’s Custom Carbon Steel Rubber Disc Impact Idler Roller is engineered for shock absorption and anti-clogging performance at conveyor loading and transfer points. By integrating a Q235 carbon steel tube core with a series of rubber discs mounted along the roller body, this idler absorbs impact from large lump materials, reduces belt stress, and extends service life in demanding bulk material handling environments.

Unlike standard steel rollers that deform or crack under repeated heavy impact, the rubber disc construction provides a cushioning effect that protects both the belt and the roller structure. The gap between adjacent rubber discs creates a self-cleaning action during rotation, preventing wet and sticky materials from accumulating on the roller surface and maintaining stable belt tracking.

The roller is equipped with deep groove ball bearings and a dust-proof, water-proof multi-stage labyrinth seal, ensuring reliable operation in dusty and humid conditions. It is designed for use as a transition idler or impact idler at the tail piece and loading zone of belt conveyors, helping to form the desired troughing angle while absorbing material impact.

Technical Parameter

• Product Name: Custom Carbon Steel Rubber Disc Impact Idler Roller
• Tube Material: Q235 Carbon Steel (Equivalent to S235JR / DIN)
• Shaft Material: A3 / 45# Steel (Equivalent to C45 / DIN)
• Roller Diameter: 89mm / 108mm / 133mm / 159mm / 194mm (Customizable)
• Roller Length: 150mm – 600mm (Customizable)
• Rubber Disc Material: Industrial Rubber, Hardness 60–70 Shore A
• Rubber Disc Spacing: 100mm – 600mm (Customizable)
• Bearing Type: Deep Groove Ball Bearing, C3/C4 Grade (6204 / 6205 / 6306 / 6308)
• Seal Type: Multi-Stage Labyrinth Seal (Dust-Proof & Water-Proof)
• Surface Treatment: Rubber Coated / Rubber Lined / Rubber Fender
• Load Capacity: 50kg – 200kg (Depending on Configuration)
• Working Temperature: -20°C to +80°C
• Applicable Belt Width: 500mm – 2400mm
• Certification: ISO 9001, CE Certified

Application Industrial

Mining & Quarrying: Impact absorption at crusher discharge and transfer points for ore, coal, and rock.

Gravel & Sand Processing: Shock-absorbing support for belt conveyors handling abrasive aggregates.

Cement & Construction: Buffer support at loading zones for clinker, cement, and construction materials.

Port & Terminal Handling: Impact resistance at ship loader and stacker-reclaimer transfer points.

Coal Preparation Plants: Anti-clogging performance for wet and sticky coal conveying.

Recycling & Processing: Buffer support for construction waste and granular material handling.

Why Choose AstraRoll‘s Custom Carbon Steel Rubber Disc Impact Idler Roller?

Shock Absorption & Belt Protection: The rubber disc construction absorbs impact energy from large lump materials at loading and transfer points, reducing stress on the conveyor belt and preventing roller deformation. This extends the service life of both the idler and the belt, reducing maintenance and replacement costs.

Anti-Clogging Self-Cleaning Design: The gaps between adjacent rubber discs create a self-cleaning effect during rotation, effectively preventing wet and sticky materials from building up on the roller surface. This maintains stable belt tracking and reduces manual cleaning frequency in coal, clay, and other sticky material applications.

Durable Bearing & Sealing System: Deep groove ball bearings with C3/C4 clearance and a multi-stage labyrinth seal provide reliable operation in dusty, humid, and abrasive environments. The dust-proof and water-proof design reduces bearing failure and extends maintenance intervals.

Heavy-Duty Carbon Steel Construction: Q235 carbon steel tube and A3/45# steel shaft provide structural strength and load-bearing capacity for continuous operation in mining and quarrying applications.

Customizable Configuration: Roller diameter, length, rubber disc hardness, disc spacing, bearing type, and seal configuration are fully customizable to match specific conveyor systems and material characteristics.

AstraRoll provides one-stop supply, strict quality control from raw material to finished product, and long-term technical support to reduce downtime and total cost of ownership.

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.