Custom Vertical Guide Roller and Side Retaining Idler For Belt Conveyor

The AstraRoll Main Features

Fail-Safe Belt Edge Protection: Rather than letting a wandering belt grind against a fixed steel post, our guide rollers spin freely on precision bearings. When the belt edge makes contact, the roller rotates along with the moving belt, completely eliminating abrasive friction and preventing your expensive rubber cover from fraying or tearing.

Specialized Vertical Sealing Technology: Because guide rollers are mounted vertically, gravity constantly pulls rainwater and dust straight down into the lower bearing. AstraRoll engineers solve this by using a specialized downward-facing labyrinth seal cap packed with water-resistant grease. This creates a tight hydrostatic barrier that deflects water and dirt away from the bearing, ensuring a long, rust-free lifespan.

Heavy-Duty Lateral Impact Resistance: When a fully loaded, high-tension conveyor belt wanders, it exerts a massive amount of lateral force against the guide roller. We construct our rollers using extra-thick carbon steel tubing and reinforced central shafts that will not bend or snap off under the immense side pressure of heavy mining belts.

Flexible & Rapid Installation Options: We design our guide rollers for ultimate convenience. Whether you need a simple threaded shaft to bolt onto your existing self-aligning training frames, or a complete unit with a pre-welded mounting bracket that bolts directly to your conveyor stringer, we customize the connection so your maintenance team can install it in minutes.

Optional Belt-Friendly Coatings: For extremely sensitive or high-speed belts, we offer guide rollers coated with a thick layer of industrial Polyurethane or Nylon. This softer, high-rebound plastic surface provides an even gentler bumper for the belt edge, completely eliminating the risk of cutting the rubber during severe misalignments.

Primary Applications

AstraRoll Guide Rollers are the first line of defense for maintaining alignment across various systems:

Self-Aligning Training Frames: Serving as the critical "trigger" rollers on the outer edges that detect belt drift and force the main frame to pivot.

Overland & Outdoor Conveyors: Placed strategically along long-distance belts to combat lateral drift caused by high crosswinds.

Reversible Conveyor Lines: Acting as fixed physical boundaries to keep the belt strictly within the troughing frame regardless of the travel direction.

Head and Tail Pulley Approaches: Ensuring the belt is perfectly centered just before it feeds into the drive pulleys or discharge chutes.

Key Specifications

Please note: Every AstraRoll Guide Roller is custom-manufactured based on your specific frame dimensions and required tracking height.

Outer Diameter (O.D.): 50mm, 60mm, 63mm, 76mm, 89mm (Larger custom sizes available).
Face Length: Custom manufactured from 50mm up to 200mm+.
Shaft Ends: Single-side threaded (e.g., M16, M20, M24) with locking nuts, or custom milled profiles.
Bearing Sizes: 6204, 6205 (Precision Deep Groove Ball Bearings).
Standard Compliance: Designed to integrate with CEMA, DIN, ISO, and JIS conveyor structures.

Why Choose AstraRoll? 

1. A Tiny Investment to Save a Massive Asset

A conveyor belt can cost tens of thousands of dollars, whereas a guide roller is a fraction of that price. Our highly reliable guide rollers act as cheap insurance. By investing in a high-quality, free-spinning AstraRoll side roller, you are guaranteeing that your belt's edges remain pristine, saving you from catastrophic replacement costs.

2. Ready-to-Mount Customization

Upgrading your belt tracking shouldn't require on-site welding or drilling. We custom-machine the threaded base and shaft length of our guide rollers to match your exact existing brackets. When they arrive at your facility, you simply bolt them on and tighten the nut—getting your conveyor back online immediately.

3. Silent, Vibration-Free Operation

A poorly manufactured side roller will rattle and vibrate loudly when the belt brushes against it. We manufacture our guide rollers using CNC-machined tubes and automated bearing alignment, ensuring they spin perfectly concentrically. This delivers a whisper-quiet, vibration-free response whenever the belt needs a gentle correction.

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.