Applications for Link Belt Conveyor Idlers

conveyor belting

Syntron link belt conveyor idlers are integral components in material handling systems, designed to support and guide conveyor belts efficiently. These idlers are known for their durability, reliability, and ease of maintenance. Key features of Syntron link belt conveyor idlers include robust construction, low rolling resistance, and enhanced load-carrying capacity. They are widely used in industries such as mining, aggregate, and bulk material handling, ensuring optimal performance and longevity. By incorporating Syntron link belt conveyor idlers into their systems, companies can achieve increased operational efficiency and reduced maintenance costs.

Link Belt Conveyor Idlers Price

Factors Affecting the Price of Link Belt Conveyor Idlers

The price of link belt conveyor idlers can vary significantly based on several factors. Understanding these factors can help buyers make informed decisions and find the best value for their investment. Here are the key factors influencing the price of link belt conveyor idlers:

  1. Material Quality: The quality of materials used in manufacturing the idlers plays a crucial role in determining the price. Idlers made from high-strength steel or specialized alloys are typically more expensive than those made from standard materials. The choice of materials affects the idlers’ durability, resistance to wear and tear, and overall lifespan.
  2. Design and Specifications: Custom-designed idlers that meet specific operational requirements tend to be more costly than standard models. Factors such as the diameter, length, and bearing type can influence the price. Additionally, idlers with advanced features like self-aligning capabilities or enhanced sealing systems to protect against contaminants may command higher prices.
  3. Brand and Manufacturer: Reputable brands and manufacturers known for their quality and reliability often price their idlers higher than lesser-known or generic brands. Investing in a well-known brand can provide assurance of product performance and after-sales support.
  4. Quantity Purchased: Bulk purchases typically result in lower per-unit costs due to economies of scale. Buyers can often negotiate better prices when ordering large quantities of idlers, making it a cost-effective strategy for large-scale operations.
  5. Market Conditions: Fluctuations in raw material prices, supply chain disruptions, and market demand can impact the price of link belt conveyor idlers. Keeping an eye on market trends can help buyers make strategic purchasing decisions.
  6. Customization and Add-ons: Additional customization options, such as specific coatings for corrosion resistance or special load-bearing capabilities, can increase the overall cost of the idlers. Buyers should assess their specific needs to determine whether such customizations are necessary.

Typical Price Range for Link Belt Conveyor Idlers

The price range for link belt conveyor idlers can vary widely based on the factors mentioned above. Generally, standard idlers for light to medium-duty applications can range from $50 to $150 per unit. For heavy-duty applications or idlers with specialized features, prices can range from $200 to $500 or more per unit.

Bulk purchasing and long-term contracts with suppliers can help reduce costs. Additionally, buyers should consider the total cost of ownership, including maintenance and replacement costs, when evaluating the price of idlers.

Tips for Finding Cost-Effective Link Belt Conveyor Idlers

Finding cost-effective link belt conveyor idlers requires a strategic approach. Here are some tips to help buyers make the best purchasing decisions:

  1. Conduct Thorough Research: Research different brands, manufacturers, and suppliers to compare prices and features. Look for reviews and testimonials from other buyers to gauge the quality and reliability of the products.
  2. Request Multiple Quotes: Obtain quotes from multiple vendors to compare prices and negotiate better deals. Ensure that the quotes include all relevant details, such as material specifications, delivery terms, and warranty information.
  3. Evaluate Total Cost of Ownership: Consider the long-term costs associated with maintenance, repairs, and replacements. Investing in higher-quality idlers may result in lower overall costs due to reduced downtime and longer service life.
  4. Leverage Supplier Relationships: Establish strong relationships with reliable suppliers who can offer competitive pricing and favorable terms. Regular communication and long-term partnerships can lead to better deals and priority service.
  5. Consider Used or Refurbished Idlers: For non-critical applications, used or refurbished idlers can provide significant cost savings. Ensure that these idlers are thoroughly inspected and meet operational standards before purchase.
  6. Stay Informed About Market Trends: Keep abreast of market conditions and raw material prices to make informed purchasing decisions. Timing your purchases strategically can help you take advantage of favorable market conditions.

Essential Link Belt Conveyor Idlers Parts

Key Parts and Components of Link Belt Conveyor Idlers

Link belt conveyor idlers consist of several key parts and components, each playing a vital role in ensuring smooth and efficient conveyor operation. Understanding these components is essential for proper maintenance and troubleshooting. Here are the main parts of link belt conveyor idlers:

  1. Roller Shell: The outer cylindrical part of the idler, usually made of steel or high-impact plastic, provides the surface on which the conveyor belt rides. It must be durable and capable of withstanding the operational stresses and environmental conditions.
  2. Bearing Housing: The housing that contains the bearings, which allow the roller shell to rotate smoothly. The bearing housing must be robust and protect the bearings from contaminants such as dust and moisture.
  3. Bearings: Precision-engineered components that reduce friction between the roller shell and the shaft. Bearings are critical for ensuring smooth rotation and minimizing wear and tear on the conveyor belt.
  4. Shaft: The central rod on which the roller is mounted. The shaft is typically made of high-strength steel and must be strong enough to support the weight of the belt and the materials being transported.
  5. Seals: Components that protect the bearings from dust, moisture, and other contaminants. Proper sealing is essential for prolonging the lifespan of the bearings and ensuring the idler operates smoothly.
  6. Brackets and Mounting Hardware: These parts secure the idler to the conveyor frame, ensuring it remains in the correct position during operation. The brackets and hardware must be strong and precisely positioned to maintain stability.

Importance of Using Genuine Link Belt Conveyor Idlers Parts

Using genuine link belt conveyor idlers parts is crucial for maintaining the performance and reliability of your conveyor system. Here are the key benefits of using authentic parts:

  1. Quality Assurance: Genuine parts are manufactured to the highest standards of quality and precision, ensuring they meet the specific requirements of your conveyor system. This reduces the risk of premature failures and operational disruptions.
  2. Compatibility: Authentic parts are designed to fit perfectly with your existing idlers, ensuring seamless integration and optimal performance. Using non-genuine parts can result in compatibility issues and compromise the efficiency of your conveyor system.
  3. Durability: Genuine parts are made from high-quality materials and undergo rigorous testing to ensure durability and long service life. This reduces the frequency of replacements and lowers maintenance costs.
  4. Warranty Protection: Many manufacturers offer warranties on their genuine parts, providing added protection and peace of mind. Using non-genuine parts can void warranties and leave you vulnerable to additional costs.
  5. Support and Service: Purchasing genuine parts from reputable suppliers ensures access to technical support and after-sales service. This can be invaluable for troubleshooting issues and maintaining the efficiency of your conveyor system.

Maintenance Tips for Link Belt Conveyor Idlers Parts

Proper maintenance of link belt conveyor idlers parts is essential for ensuring the longevity and efficiency of your conveyor system. Here are some maintenance tips to keep your idlers in top condition:

  1. Regular Inspections: Conduct regular inspections to check for signs of wear and tear, misalignment, or damage. Pay close attention to the roller shells, bearings, and seals, and replace any worn or damaged parts promptly.
  2. Lubrication: Ensure that bearings are properly lubricated to reduce friction and prevent overheating. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate type of lubricant.
  3. Cleaning: Keep the idlers clean and free from debris, dust, and other contaminants. Regular cleaning helps prevent the build-up of materials that can interfere with the smooth operation of the idlers.
  4. Alignment Checks: Regularly check the alignment of the idlers to ensure they are positioned correctly. Misaligned idlers can cause belt tracking issues and increase wear on the belt and idlers.
  5. Replace Worn Parts: Do not wait for parts to fail before replacing them. Proactively replace worn or damaged parts to prevent operational disruptions and extend the lifespan of your conveyor system.
  6. Monitor Belt Tension: Ensure that the conveyor belt is properly tensioned. Over-tensioning or under-tensioning can cause excessive wear on the idlers and the belt.

Where to Find Link Belt Conveyor Idlers for Sale

Popular Sources for Purchasing Link Belt Conveyor Idlers

Finding the right source for purchasing link belt conveyor idlers is crucial for ensuring you get high-quality products at competitive prices. Here are some popular sources to consider:

  1. Manufacturer Direct: Purchasing directly from the manufacturer can provide several benefits, including access to the latest products, technical support, and potentially lower prices. Manufacturers often offer warranties and after-sales services, ensuring peace of mind.
  2. Authorized Distributors: Authorized distributors are trusted partners of manufacturers and provide genuine parts. They often have a wide range of products in stock and can offer expert advice and support.
  3. Industrial Supply Stores: Local industrial supply stores can be a convenient source for purchasing link belt conveyor idlers. These stores often carry a variety of brands and products, allowing you to compare and choose the best options.
  4. Online Marketplaces: Online marketplaces such as Amazon, eBay, and Alibaba offer a vast selection of link belt conveyor idlers from various sellers. While convenient, it’s essential to verify the seller’s reputation and the authenticity of the products.
  5. Specialized Suppliers: Some suppliers specialize in conveyor systems and components. These suppliers often have extensive knowledge and expertise, providing high-quality products and tailored solutions for your specific needs.

How to Evaluate Vendors for Link Belt Conveyor Idlers for Sale

Evaluating vendors is crucial to ensure you purchase high-quality link belt conveyor idlers from reliable sources. Here are some factors to consider when evaluating vendors:

  1. Reputation and Reviews: Research the vendor’s reputation by reading customer reviews and testimonials. Look for feedback on product quality, customer service, and delivery times.
  2. Product Range: Ensure the vendor offers a wide range of link belt conveyor idlers and related components. A comprehensive product range indicates the vendor’s expertise and ability to meet diverse needs.
  3. Quality Assurance: Verify that the vendor provides genuine parts and adheres to quality standards. Ask about the manufacturing process, material specifications, and any certifications the products may have.
  4. Technical Support: Assess the level of technical support and after-sales service the vendor offers. Reliable vendors should provide assistance with product selection, installation, and maintenance.
  5. Pricing and Payment Terms: Compare prices from multiple vendors to ensure you get competitive pricing. Consider the payment terms and any discounts available for bulk purchases or long-term contracts.
  6. Delivery and Logistics: Evaluate the vendor’s delivery options and lead times. Ensure they can meet your required delivery schedules and provide reliable logistics services.

Online Marketplaces and Suppliers Offering Link Belt Conveyor Idlers

Several online marketplaces and specialized suppliers offer link belt conveyor idlers. Here are some popular options:

  1. Amazon: Amazon offers a wide range of link belt conveyor idlers from various sellers. It’s essential to read reviews and verify the seller’s reputation before making a purchase.
  2. eBay: eBay is another platform where you can find new and used link belt conveyor idlers. Ensure you check the product details and seller ratings to avoid any issues.
  3. Alibaba: Alibaba connects buyers with manufacturers and suppliers worldwide. It’s an excellent platform for bulk purchases, but it’s crucial to communicate clearly with suppliers and verify their credibility.
  4. Grainger: Grainger is a well-known industrial supply store that offers a wide selection of link belt conveyor idlers and related components. They provide reliable products and technical support.
  5. McMaster-Carr: McMaster-Carr is another trusted industrial supplier that offers high-quality link belt conveyor idlers. They provide detailed product specifications and excellent customer service.
  6. Motion Industries: Motion Industries specializes in conveyor systems and components. They offer a comprehensive range of link belt conveyor idlers and provide expert advice and support.

Exploring link belt conveyor idlers prices, understanding the essential parts and components, and knowing where to find reliable suppliers are crucial for optimizing your conveyor system’s performance and cost-efficiency. By following the tips and guidelines outlined in this guide, you can make informed decisions and ensure the long-term success of your material handling operations.

Link Belt Conveyor Idlers: An Overview of FMC Idlers

FMC Technologies, now a part of Syntron Material Handling, has been a leading provider of high-quality conveyor components, including FMC idlers. These idlers are critical for ensuring the smooth operation and longevity of conveyor systems in various industries.

FMC Idlers and Their Features

FMC idlers are designed to support and guide conveyor belts in a variety of material handling applications. They are known for their robust construction, which includes high-quality materials that ensure durability and long service life. Key features of FMC idlers include:

  • Heavy-Duty Construction: FMC idlers are built to withstand harsh operating conditions, including heavy loads and abrasive materials.
  • Low Maintenance: Designed with sealed bearings and other protective features, FMC idlers require minimal maintenance, reducing downtime and operational costs.
  • Smooth Operation: Precision engineering ensures low rolling resistance and smooth belt movement, enhancing the efficiency of conveyor systems.
  • Versatility: FMC idlers are available in various configurations, including troughing, return, impact, and training idlers, to meet the specific needs of different applications.

Common Applications of FMC Idlers in Conveyor Systems

FMC idlers are used in a wide range of industries and applications, providing reliable support and guidance for conveyor belts. Some common applications include:

  • Mining: FMC idlers are essential in mining operations, where they handle heavy loads and abrasive materials, ensuring continuous and efficient material transport.
  • Aggregate Processing: In the aggregate industry, FMC idlers are used to move crushed stone, gravel, sand, and other materials through processing plants.
  • Bulk Material Handling: FMC idlers play a critical role in the transportation of bulk materials such as coal, ore, and grain, ensuring efficient and reliable handling.
  • Manufacturing: In manufacturing plants, FMC idlers are used in assembly lines and material handling systems to transport products and materials efficiently.
  • Construction: FMC idlers are used in construction projects to move building materials and debris, facilitating efficient site operations.

Benefits of Using FMC Idlers in Material Handling

Using FMC idlers in material handling systems offers numerous benefits, including:

  • Increased Efficiency: The low rolling resistance and smooth operation of FMC idlers enhance the overall efficiency of conveyor systems, reducing energy consumption.
  • Durability and Longevity: The robust construction and high-quality materials used in FMC idlers ensure long service life, even in demanding applications, reducing the need for frequent replacements.
  • Reduced Maintenance Costs: With features like sealed bearings and protective covers, FMC idlers require minimal maintenance, leading to lower maintenance costs and less downtime.
  • Enhanced Safety: FMC idlers are designed to operate smoothly and reliably, reducing the risk of belt misalignment and other issues that could pose safety hazards.
  • Versatility: The wide range of available configurations allows FMC idlers to be used in various applications, providing tailored solutions for different material handling needs.

Link Belt Conveyor Idlers: Detailed Look at Syntron Idlers

Syntron idlers are another essential component of conveyor systems, known for their reliability and efficiency in material handling operations. These idlers are designed to enhance the performance and longevity of conveyor systems, making them a popular choice in various industries.

Key Characteristics of Syntron Idlers

Syntron idlers are characterized by several key features that contribute to their high performance and reliability:

  • Precision Engineering: Syntron idlers are manufactured with precision to ensure accurate alignment and smooth belt movement, reducing wear and tear on the conveyor belt.
  • High-Quality Materials: Constructed from durable materials, Syntron idlers can withstand harsh operating conditions and heavy loads, ensuring long service life.
  • Sealed Bearings: The use of sealed bearings in Syntron idlers prevents contamination and reduces maintenance requirements, enhancing operational reliability.
  • Versatile Designs: Syntron idlers are available in various designs, including troughing idlers, return idlers, impact idlers, and training idlers, to suit different conveyor system needs.
  • Enhanced Load Capacity: With robust construction and high load-carrying capacity, Syntron idlers can handle significant material loads, ensuring efficient material transport.

Syntron Idlers’ Role in Enhancing Conveyor System Performance

Syntron idlers play a crucial role in enhancing the performance of conveyor systems by providing reliable support and guidance for conveyor belts. Their contributions include:

  • Improved Belt Alignment: Syntron training idlers help maintain proper belt alignment, reducing the risk of misalignment and associated operational issues.
  • Reduced Power Consumption: The low rolling resistance of Syntron idlers reduces the power required to move the conveyor belt, lowering energy costs.
  • Extended Belt Life: By providing smooth and consistent support, Syntron idlers minimize belt wear and tear, extending the lifespan of the conveyor belt.
  • Minimized Downtime: With features like sealed bearings and durable construction, Syntron idlers require less frequent maintenance and replacement, reducing downtime and improving overall system efficiency.

Industries That Rely on Syntron Idlers

Syntron idlers are used in a variety of industries, where they contribute to the efficient and reliable operation of conveyor systems. Key industries that rely on Syntron idlers include:

  • Mining: In the mining industry, Syntron idlers are used to transport ores, coal, and other materials efficiently and reliably.
  • Aggregate Processing: Syntron idlers support the movement of crushed stone, sand, gravel, and other aggregates in processing plants.
  • Bulk Material Handling: Industries that handle bulk materials, such as coal, grain, and fertilizers, depend on Syntron idlers for efficient material transport.
  • Manufacturing: In manufacturing facilities, Syntron idlers are used in assembly lines and material handling systems to move products and materials smoothly.
  • Construction: Syntron idlers are used in construction projects to transport building materials and debris, facilitating efficient site operations.

Installation and Maintenance of Link Belt Conveyor Idlers

Proper installation and maintenance of link belt conveyor idlers are essential for ensuring the efficient and reliable operation of conveyor systems. This section provides a step-by-step guide to installing link belt conveyor idlers, routine maintenance practices, and troubleshooting common issues.

Step-by-Step Guide to Installing Link Belt Conveyor Idlers

  1. Preparation: Before installation, ensure that all necessary tools and materials are available. Review the installation manual and guidelines provided by the manufacturer.
  2. Safety Measures: Follow all safety protocols, including wearing appropriate personal protective equipment (PPE) and ensuring the conveyor system is shut down and locked out.
  3. Positioning: Place the idlers in the correct positions along the conveyor frame, according to the spacing guidelines specified in the installation manual.
  4. Alignment: Ensure that the idlers are aligned properly with the conveyor belt to prevent misalignment and ensure smooth belt movement.
  5. Securing: Secure the idlers to the conveyor frame using the appropriate fasteners and hardware. Tighten all bolts and nuts to the recommended torque specifications.
  6. Inspection: After installation, inspect the idlers to ensure they are properly secured and aligned. Check for any signs of damage or misalignment.

Routine Maintenance Practices for Link Belt Conveyor Idlers

Regular maintenance is crucial for the longevity and performance of link belt conveyor idlers. Key maintenance practices include:

  • Inspection: Conduct regular inspections to check for signs of wear, damage, or misalignment. Inspect the idlers, bearings, and mounting hardware.
  • Cleaning: Keep the idlers clean and free of debris to prevent contamination and ensure smooth operation. Use appropriate cleaning methods and materials.
  • Lubrication: Lubricate the bearings and other moving parts as recommended by the manufacturer to reduce friction and wear.
  • Adjustment: Make necessary adjustments to the idlers to maintain proper alignment and tension. Address any misalignment or sagging issues promptly.
  • Replacement: Replace worn or damaged idlers, bearings, and other components to prevent operational issues and maintain system efficiency.

Troubleshooting Common Issues with Link Belt Conveyor Idlers

Despite regular maintenance, issues can occasionally arise with link belt conveyor idlers. Common problems and their solutions include:

  • Misalignment: Misaligned idlers can cause belt tracking issues and uneven wear. Check the alignment of the idlers and adjust them as necessary to maintain proper belt tracking.
  • Excessive Wear: Excessive wear on the idlers or conveyor belt can result from incorrect idler spacing, misalignment, or inadequate lubrication. Inspect the idlers and belt, and address any underlying issues.
  • Noise and Vibration: Unusual noise or vibration can indicate bearing problems or misalignment. Inspect the bearings and idlers for signs of wear or damage, and replace any faulty components.
  • Belt Slippage: Belt slippage can occur due to insufficient tension, misaligned idlers, or worn components. Adjust the belt tension and check the alignment and condition of the idlers.
  • Contamination: Contamination from dust, dirt, or other debris can affect idler performance. Clean the idlers regularly and use protective covers or seals to prevent contamination.

By following these installation and maintenance practices, and addressing common issues promptly, you can ensure the efficient and reliable operation of link belt conveyor idlers in your material handling system.

Both FMC and Syntron idlers play vital roles in material handling systems, offering durability, reliability, and efficiency. Proper installation and maintenance of link belt conveyor idlers are essential for optimizing conveyor system performance and minimizing operational costs. By understanding the features, applications, and benefits of these idlers, and implementing best practices for installation and maintenance, you can achieve optimal results in your material handling operations.

FAQs about Link Belt Conveyor Idlers

What are the different types of conveyor idlers?

Conveyor idlers come in various types, each designed to perform specific functions within a conveyor system. The main types of conveyor idlers include:
Carrying Idlers: These idlers support the loaded side of the conveyor belt, ensuring it remains flat and stable as it transports materials.
Return Idlers: Located on the underside of the conveyor, return idlers support the empty belt as it returns to the starting point, preventing sagging and maintaining alignment.
Impact Idlers: Positioned at loading points, impact idlers are designed to absorb the impact of heavy loads, protecting the belt from damage and extending its lifespan.
Troughing Idlers: These idlers form a trough shape in the belt, ideal for carrying bulk materials. They provide stability and minimize spillage by cradling the load.
Training Idlers: Training idlers help maintain belt alignment by correcting any deviations in the belt’s path, ensuring it runs smoothly and stays centered.
Self-Aligning Idlers: These idlers automatically adjust their position based on the belt’s movement to ensure continuous alignment without the need for manual intervention.
Transition Idlers: Positioned at the transition points of the conveyor system, these idlers help the belt move from a flat to a trough shape or vice versa, ensuring smooth material flow.

What is an idler in a belt conveyor?

An idler in a belt conveyor is a cylindrical roller that supports the conveyor belt and the materials being transported on it. Idlers are essential components in a conveyor system, providing stability, reducing friction, and maintaining the alignment of the belt as it moves through the conveyor framework. There are different types of idlers, each designed to perform specific functions, such as carrying the loaded belt, supporting the empty return belt, absorbing impact at loading points, and maintaining belt alignment.
Idlers are typically made from durable materials like steel or high-impact plastic, ensuring they can withstand the harsh conditions of industrial environments. They are mounted on a frame and positioned at regular intervals along the length of the conveyor. By providing a rolling surface for the belt, idlers reduce the friction between the belt and the conveyor structure, minimizing wear and tear and extending the lifespan of the belt and other conveyor components.

What are the different types of belt idlers?

Belt idlers come in various types, each serving a specific function within a conveyor system. The main types of belt idlers include:
Carrying Idlers: Support the load-bearing side of the belt, ensuring it remains flat and stable during material transport.
Return Idlers: Support the empty belt on its return journey, preventing sagging and maintaining proper alignment.
Impact Idlers: Positioned at loading points to absorb the impact of heavy loads, protecting the belt from damage.
Troughing Idlers: Form a trough shape in the belt, ideal for carrying bulk materials and preventing spillage.
Training Idlers: Help correct belt misalignment by applying pressure to guide the belt back to the center.
Self-Aligning Idlers: Automatically adjust their position based on the belt’s movement, ensuring continuous alignment without manual intervention.
Transition Idlers: Located at transition points, helping the belt move smoothly from a flat to a trough shape or vice versa.
Rubber Disc Return Idlers: Used in specific applications to prevent the build-up of materials on the return side of the belt, ensuring smooth operation.

What is the function of the idlers?

The primary function of idlers in a conveyor system is to support and guide the conveyor belt as it moves materials from one point to another. Idlers perform several critical roles, including:
Support: Idlers provide consistent support to the conveyor belt, ensuring it remains flat and stable during operation. Carrying idlers support the load-bearing side of the belt, while return idlers support the empty return belt.
Alignment: Idlers help maintain the proper alignment of the conveyor belt. Training idlers and self-aligning idlers correct any deviations in the belt’s path, ensuring it runs smoothly and stays centered.
Reducing Friction: By providing a rolling surface for the belt, idlers reduce the friction between the belt and the conveyor structure. This minimizes wear and tear on the belt and other conveyor components, extending their lifespan.
Absorbing Impact: Impact idlers absorb the energy of heavy loads at loading points, protecting the belt from damage and reducing the frequency of repairs.
Preventing Sagging: Return idlers and troughing idlers prevent the belt from sagging under the weight of the materials being transported, maintaining the belt’s shape and stability.
Enhancing Efficiency: Properly functioning idlers ensure smooth and efficient operation of the conveyor system, reducing energy consumption and operational costs.

Jordan Smith

Jordan Smith, a seasoned professional with over 20 years of experience in the conveyor system industry. Jordan’s expertise lies in providing comprehensive solutions for conveyor rollers, belts, and accessories, catering to a wide range of industrial needs. From initial design and configuration to installation and meticulous troubleshooting, Jordan is adept at handling all aspects of conveyor system management. Whether you’re looking to upgrade your production line with efficient conveyor belts, require custom conveyor rollers for specific operations, or need expert advice on selecting the right conveyor accessories for your facility, Jordan is your reliable consultant. For any inquiries or assistance with conveyor system optimization, Jordan is available to share his wealth of knowledge and experience. Feel free to reach out at any time for professional guidance on all matters related to conveyor rollers, belts, and accessories.