Komatsu excavator top roller PC40 PC60-5 PC60-7 PC100 PC200-5 PC200-7 for excavator spare parts

Komatsu excavator top roller PC40 PC60-5 PC60-7 PC100 PC200-5 PC200-7 for excavator spare parts

The carrier roller of an excavator is a crucial component of tracked excavators, primarily responsible for supporting and guiding the movement of the tracks. By engaging with the tracks, the carrier roller evenly distributes the excavator's weight across the tracks, reducing ground pressure and enhancing the machine's stability and mobility. Typically installed at the lower part of the excavator, the carrier roller works in conjunction with the drive sprocket, idler, and track rollers to form the track drive system. Its working principle involves the use of bearings to support the roller body, which features raised teeth or grooves on its surface that mesh with the holes or teeth on the track links, ensuring the tracks do not slip or disengage during operation.

The structure of a carrier roller generally includes the roller body, bearings, seals, and a lubrication system. The roller body, the core component, is usually forged from high-strength alloy steel, offering excellent wear resistance and impact resistance. Bearings support the roller body, reducing friction and ensuring smooth rotation. Seals and the lubrication system prevent dust, mud, and moisture from entering the bearings, thereby extending the service life of the carrier roller.

Selling Points

1. High-Strength Materials: Carrier rollers are forged from high-strength alloy steel, undergoing heat treatment and surface hardening to provide exceptional wear and impact resistance, suitable for various harsh working conditions.

2. Precision Machining: The roller body and bearings are precision-machined to ensure perfect engagement with the tracks, reducing wear and noise, and improving the excavator's operational efficiency.

3. Long-Lasting Lubrication: Equipped with a long-lasting lubrication system, carrier rollers require less frequent maintenance, lowering operational costs.

4. Excellent Sealing Performance: Multiple sealing designs effectively prevent dust, mud, and moisture from entering the bearings, extending the service life.

Maintenance and Forging

Maintenance of carrier rollers primarily involves regular checks of the lubrication system, cleaning dirt and debris from the roller body, and inspecting bearing wear. Regular maintenance can significantly extend the service life of carrier rollers and reduce failure rates. Forging is a critical process in the manufacturing of carrier rollers, enhancing material density and strength, eliminating internal defects, and ensuring reliability under harsh working conditions. The forging process includes heating, forming, cooling, and heat treatment to ensure the final product's performance.

• Excavators are heavy machinery widely used in various fields such as construction, engineering, and mining. The main application areas include:
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• Construction engineering: Excavators are used for excavating foundation pits, cleaning sites, excavating underground facilities, foundation construction, etc.
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• Mining: In mines, excavators are used for mining ores, transporting materials, stripping topsoil, and crushing operations.
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• Water conservancy engineering: In water conservancy construction, excavators are used to excavate rivers, clear lakes, build dams and canals, etc.
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• In the field of agriculture, excavators are sometimes used to cultivate land, dig water channels, and construct irrigation systems in large-scale agricultural production.
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• Forestry: used for logging, clearing forest paths, clearing trees, and transporting timber.
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• Railway construction and maintenance: It is also applied in the excavation of railway lines, filling of ballast beds, construction of bridges and tunnels, and other aspects.

Our advantages

1.Strong part number database.
If you can provide the right model and part number, we can supply the right product.
2.Professional and experienced salesperson.
Our founder has been into this field for more than 7 years, with rich experiences.
3.Strict and complete company rules.
We will try our best to meet customer’s delivery time. Before delivery, we must verify the part number or pictures of products one by one, to make sure that customers can receive high-quality and right-quantity goods.
4.Good management system.
No matter how big or small order, as long as customers place the order, we will provide exporting service free for charge.
5.Good service attitude.
If the customer has any questions about the product, In our receiving and knowing the situation, we will help the customer to solve the problem in the first place. As long as customers’ requirements are reasonable, we will endeavour to make them satisfied.

Selection and maintenance

Selection: Choose the appropriate support wheel based on the excavator model, working environment, etc.

Maintenance: Regularly check for wear and tear, replace damaged parts in a timely manner, and perform lubrication and maintenance as required.

FAQ:

1. What is the warranty time of the products?
The warranty time is 6/12 months based on the item details; We don't provide warranty time for original and used products.
2.What is your delivery time?
Generally, we will arrange the goods within 24 hours after your payment; if not in stock, stocking time is 1-7 days.
3..How can I do if there is something wrong with the goods?
First at all, we have confidence in the quality of our products, if you really found something wrong, please provide pictures or video for us and we will check. After it is confirmed, please return the goods to us and we will offer the correct item.
4.How do I pay?
You can pay by T/T,PayPal (for small amount) and Alibaba trade assurance.