Seven Hills Innovation

A Conveyor Idler Roller is a cylindrical component mounted on a conveyor frame that supports and guides the conveyor belt along its path. Idlers are key to maintaining belt alignment, reducing friction, and ensuring smooth, efficient, and trouble-free operation of bulk material handling systems.

⚙️ Key Features: 1. Load Support

• Provides continuous support to the conveyor belt and the materials it carries

• Designed to handle light to heavy-duty loads

2. Types of Idler Rollers

• Carrying Idler: Supports the loaded side of the belt

• Return Idler: Supports the empty return side of the belt

• Impact Idler: Placed at loading points to absorb shock and prevent belt damage

• Troughing Idler: Has angled rollers to form the belt into a trough shape for carrying bulk material

• Flat Idler: Used on return side or for flat belt conveyors

• Self-aligning Idler: Helps correct belt misalignment automatically

3. Construction Materials

• Roller Shell: Made from MS, galvanized steel, or HDPE

• Shaft: Precision machined, made of bright bar steel

• Bearings: Deep groove ball bearings, sealed for life

• Seals: Dust-proof and water-resistant multi-labyrinth seals

4. Design & Dimensions

• Available in various diameters: typically 89 mm, 108 mm, 133 mm, etc.

• Length: As per belt width (e.g., 400 mm to 2200 mm)

• Bearing size and spacing as per load and speed requirements

5. Low Friction and Noise

• Designed for smooth rotation with minimal resistance

• Noise-reducing design for industrial environments

6. Corrosion & Wear Resistance

• Optional coated or rubber-covered rollers for wet or abrasive conditions

• HDPE rollers available for corrosive or food-grade applications

7. Standard Compliance

• Manufactured as per CEMA / ISO / DIN / BIS standards

• Designed for long service life (typically 30,000+ working hours)

✅ Advantages:

• Ensures efficient belt tracking and operation

• Reduces belt wear and power consumption

• Lowers maintenance and operating costs

• Available in custom designs for all conveyor types

📌 Common Applications:

• Mining and quarry plants

• Cement, steel, and power plants

• Fertilizer and chemical industries

• Food and grain handling

• Packaging and assembly lines