Name: China Excavator Bottom Track Rollers For Hitachi Manufacturers Suppliers Factory - STONE Engineering Machinery
Brand: STONE
SKU: 234960383

STONE: Leading Excavator Bottom Track Rollers For Hitachi Manufacturer in China

STONE(Shanghai) Engineering Machinery Co.,Ltd is a maintenance base for construction machinery parts, specializing in providing maintenance services and parts for mining enterprise equipment. Our team was established in 2004 and is headquartered in Shanghai, China. It has a registered capital of 15 million yuan and has a completely independent brand STONE. We specialize in the production and supply of spare parts for Bulldozers, Excavators, and Wheel Loaders. Our detailed catalog offers a complete selection of OEM parts including Track Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles and more. Also offers a wide range of electrical and hydraulic parts.

Exquisite production technology
Processed with high-quality raw materials the wear resistance is higher. Automated production perfectly guarantees product quality.

Powerful warehousing and logistics

It has a large warehouse of 3,000 square meters to ensure the delivery time of accessories. Customizable delivery services to speed up logistics delivery.

Professional business capabilities

A complete data system ensures product accuracy. The professional maintenance team will respond online within 24 hours and solve construction site problems within 48 hours.

Service capabilities

The industry knowledge and professional capabilities of the STONE team are the first priority in serving customers!

Introduction of Excavator Bottom Track Rollers For Hitachi

The Excavator Bottom Roller, also known as the track roller, is an essential component of an excavator. It plays a vital role in ensuring the smooth functioning and movement of the machine.

The excavator bottom roller supports the track chain and maintains tension to keep the excavator in motion. It is located at the bottom of the undercarriage and provides stability and balance to the entire machine. The bottom rollers are made up of high-quality materials that can withstand the pressure and weight of the excavator.

Bottom rollers provide for the undercarriage clearance height. The combination of the link height and the installation height of the bottom roller defines the undercarriage height increase. There is consequently no load on the front wheel, the sprocket and the final drive of the machine. When the chain links and the bottom rollers wear, the machine's undercarriage will drop, so that the load is exerted on the front wheel, the sprocket and the drive motor. These components can subsequently break. Various different bottom rollers are used for excavators, mini excavators and bulldozers.

Excavator Single Flange Track Roller For VOLVO

This Excavator Single Flange Track Roller is designed by STONE for VOLVO mining excavator machines - the EC650, EC700, EC750, EC950 models.

Excavator Track Roller For Hitachi

This Excavator Track Roller is designed by STONE for Hitachi mining excavator machines - the ZX800, ZX850, ZX870 models.

KOM Dozer Track Roller

This Dozer Track Roller is designed by STONE for Komatsu bulldozer excavator machines - the D155A, D275A, D355A, D375A, D475A models.

Bulldozer Track Roller Double Flange For Komatsu

This bulldozer track roller double flange is designed by STONE for Komatsu bulldozer excavator machines - the D155A, D275A, D355A, D375A, D475A models.

Bottom Roller Excavator For KOM Mining Excavator

This bottom roller excavator is designed by STONE for Komatsu mining excavator machines - the PC1100, PC1250, PC2000 models.

Komatsu Track Roller

This Komatsu Track Roller is designed by STONE for Komatsu mining excavator machines - the PC750, PC800 and PC850 models.

Bulldozer Double Flange Roller For Caterpillar

This bulldozer double flange roller is designed by STONE for Caterpillar mining bulldozer machines - the D10T, D10R, D10N, D11T, D11R models.

Excavator Flanged Track Rollers For Caterpillar

This Excavator flanged track rollers are designed by STONE for Caterpillar mining excavator machines - the E374, E375 and E380 models.

CAT Dozer Single Flange Roller

This dozer single flange roller is designed by STONE for Caterpillar mining bulldozer machines - the D10T, D10R, D10N, D11T, D11R models

Key Features of Excavator Bottom Roller

Superior Material: Our excavator bottom roller is meticulously crafted using high-quality materials that ensure durability and longevity. Manufactured from premium-grade steel, it is capable of withstanding heavy loads and extreme working conditions.

Precise Manufacturing: The bottom roller undergoes advanced processing techniques, including precision machining and heat treatment. This process enhances its structural integrity, allowing for smooth and efficient operation even in the most demanding terrains.

Rigorous Quality Control: To guarantee top-notch quality, each bottom roller undergoes meticulous quality inspections throughout the manufacturing process. Our team of experienced engineers conducts rigorous tests to ensure that every product meets the highest industry standards and surpasses customer expectations.

Enhanced Durability: With its robust construction, the excavator bottom roller showcases excellent resistance to wear and tear. It effectively minimizes maintenance costs while extending the overall lifespan of the undercarriage system, providing long-term reliability and peace of mind.

Versatility: Our bottom roller is compatible with various excavator models, making it a versatile choice for different construction applications. Whether you require it for road construction, landscaping, or any other heavy-duty operation, our bottom roller can adapt to meet your specific needs.

Different Types Of Bottom Rollers

Bottom rollers for excavators have a thick axle for bearing the machine's weight These bottom rollers have a smaller running surface diameter, because the machines do not need to do much mobile work.
Bottom rollers for mini excavators have the same characteristics as the bottom rollers of larger excavators. However, these bottom rollers have more types of mountings in the undercarriage, depending on the type and the tracks used.
Bottom rollers for bulldozers have a large running surface, because they do mobile work. Various different types of flanges are mounted alternately to better guide the track link. The bottom rollers have a larger oil reservoir, so that the roller can be cooled sufficiently.

Function of Excavator Bottom Track Roller

The excavator rollers is one of the four wheels of the chassis of crawler construction machinery, and its main role is to support the weight of the excavator and the bulldozer, so that the track moves along the wheel.

The main role of the excavator rollers is to support the weight of the drill, pavers, crawler cranes, excavators and bulldozers, so that the track moves along the wheels.

Excavator rollers provide stability and balance, because excavators usually work on unstable ground, track roller are very important for the stability of the operator and the machine itself.

The excavator rollers is one of the important accessories of the excavator, which is used to support the weight of the excavator, while rolling on the guide rail (rail chain) or track plate surface of the track, it is also used to limit the track and prevent lateral slippage.

The excavator rollers is to transfer the weight of the excavator to the ground. When the excavator is driving on the uneven road surface, the track roller will be affected by the ground impact force, so the heavy load of the track roller is large, the working conditions are poor, and it is often in the dust and sometimes soaked in mud, so it requires a good seal.

The Significance Of Selecting The Appropriate Bottom Rollers For Your Excavator

Excavator bottom rollers are essential for providing stability and support to the machine's track system. These rollers bear the weight of the excavator and distribute it evenly across the tracks, preventing uneven wear and tear. Therefore, choosing the right bottom rollers is paramount to ensure smooth operation and extend the lifespan of your equipment.

One of the key considerations when selecting excavator bottom rollers is the quality of materials used in their construction. High-quality materials such as hardened steel or alloy ensure durability and resistance to abrasion, prolonging the service life of the rollers. Additionally, precision engineering and advanced manufacturing techniques contribute to the reliability and performance of the bottom rollers in various operating conditions.

Another important factor to consider is compatibility with your excavator model. Each excavator is designed with specific dimensions and specifications, and using compatible bottom rollers ensures proper fitment and functionality. Installing incompatible rollers can lead to premature wear, track misalignment. And potential safety hazards, ultimately impacting the project timeline and budget.

Furthermore, maintenance requirements should also be taken into account when choosing excavator bottom rollers. Opt for rollers that are designed for easy maintenance, with features such as accessible grease fittings and sealed bearings to facilitate lubrication and prevent contamination. Regular maintenance not only extends the lifespan of the bottom rollers but also minimizes downtime and reduces overall operating costs.

Maintenance of Excavator Bottom Track Roller

The track rollers should be kept away from mud and water as much as possible. After each day of work, the excavator should be lifted on one side, and the drive motor should be used to remove any dirt, stones and other debris from the tracks. During winter, it is important to keep them dry to prevent the water from freezing to ice overnight and causing damage due to contact with the seals. Damaged supporting wheels can cause various problems, such as slow and uneven movement, and deviation from the track.

Common Problems of Excavator Bottom Track Roller

Q: What is a bottom roller of crawler-tracked machines?

A: A bottom roller is a crucial component in crawler-tracked machines. It is located at the bottom of the track frame and supports the weight of the machine. The bottom roller is responsible for ensuring a smooth and stable movement of the machine on uneven terrains.
The bottom roller is made of high-quality materials that can withstand heavy loads and hard exteriors. It is designed to rotate on an axial pin, which helps to distribute the weight of the machine evenly across the track surface. It also helps to reduce the wear and tear of the track frame, resulting in improved performance and durability.
Crawler-tracked machines are widely used in various industries, such as construction, mining, and agriculture. The bottom roller is an essential component that provides stability, reliability, and safety to these machines. Without it, the machine will be unstable, and it may cause severe damage to both the machine and the operator.

Q: What is the purpose of use of track roller in under carriage unit?

A: Track roller also called bottom roller ,To ensure the best performance of the undercarriage components, the bottom rollers must allow the Track shoe to run in all conditions. In order to get perfect movement, it has several factors, materials, treatments and mechanical processes.

Q: Why are rollers used?

A: Rollers are a secondary tillage tool used for flattening land or breaking up large clumps of soil, especially after ploughing or disc harrowing. Rollers are typically pulled by tractors today. Before mechanized agriculture, a team of working animals such as horses or oxen provided the power

Q: What is the use of road roller in construction?

A: Road roller or compactor is a type of engineering vehicle that commonly used to compact soil, gravel, concrete, asphalt or other materials in road construction, airport or port foundation work, at landfills or in agriculture.

Q: What are the rollers on an excavator?

A: Track rollers play a crucial role in the excavator's performance. Bottom rollers absorb the machine's weight and distribute it evenly on the tracks. Top rollers support the track as it travels over the idlers and sprockets.

Q: What are the production advantages of PC1250 bottom roller?

A: The material of bottom roller body is forged by 40Mnb2. High wear resistant Boron steel ,and the surface heat treatment HRC 48-55 depth up to 5-8mm. Precision CNC machine machining size is more accurate .Perfect interchangeability with original products
The material of the center shaft of the track roller forged by 42CrMo.The hardness of surface heat treatment can reach 48-55HRC More wear-resisting . Core hardness of HRC 28 or above is not easy to fracture. Tempering 180 degrees before finishing. The surface of the center shaft of the track roller is polished by CNC machine tool to make the shaft smoother.
High sealing aprons are used inside the track roller to prevent dirt, sand and water from damaging it.
The track roller using friction welding technology welding quality is good and stable, and environmental protection, no pollution.Welding process does not produce smoke or harmful gas, no splash, no lone light and spark, no radiation.Known as the green welding technology of the future.

Q: What is the function of the bottom rollers on a track chain?

A: Bottom rollers absorb the machine's weight and distribute it evenly on the tracks. Top rollers support the track as it travels over the idlers and sprockets. However, the rollers are subject to wear and tear due to harsh working conditions, such as friction, impact, and dirt.

Q: What are the main benefits of using high-quality excavator bottom rollers?

A: Investing in high-quality excavator bottom rollers offers several advantages. Firstly, they enhance the overall performance and longevity of the machine, reducing downtime and maintenance costs. Secondly, superior materials and construction ensure optimal weight distribution, minimizing wear and tear on the undercarriage components. Lastly, they improve traction and stability, even in challenging terrains.

Q: How do I know if my excavator bottom roller needs replacement?

A: Signs that indicate a worn-out or damaged bottom roller include excessive noise, uneven track wear, reduced machine stability, and decreased overall performance. Regular inspections and maintenance by qualified technicians are essential to identify and address any issues promptly.

Q: What factors should I consider when purchasing excavator bottom rollers?

A: When buying excavator bottom rollers, it is important to consider the following factors:
Compatibility: Ensure the rollers are compatible with the make and model of your excavator.
Quality: Opt for rollers made from durable materials, such as forged steel or high-strength alloys, for extended service life.
Design: Look for rollers with precision engineering and advanced sealing systems to prevent contamination and maximize performance.
Warranty: Choose rollers from reputable manufacturers that offer warranties, ensuring peace of mind and customer support.

Q: How often should I replace excavator bottom rollers?

A: The replacement frequency of excavator bottom rollers depends on various factors, including workload, terrain conditions, and maintenance practices. However, it is generally recommended to inspect rollers regularly and replace them when signs of wear, damage, or decreased performance are evident.

Q: Are there any maintenance tips to prolong the lifespan of excavator bottom rollers?

A: To extend the lifespan of your excavator bottom rollers, follow these maintenance tips:
- Keep the undercarriage clean and free from debris, dirt, and mud.
- Regularly lubricate the rollers to minimize friction and ensure smooth operations.
- Inspect the rollers for signs of wear or damage and take immediate action.
- Follow proper operating guidelines, such as avoiding excessive loads or operating in harsh environments for extended periods.

Q: What is the significance of selecting the appropriate bottom rollers for your excavator and how it contributes to the overall success of your project?

A: Excavator bottom rollers are essential for providing stability and support to the machine's track system.
One of the key considerations when selecting excavator bottom rollers is the quality of materials used in their construction.
Another important factor to consider is compatibility with your excavator model. Furthermore, maintenance requirements should also be taken into account when choosing excavator bottom rollers.

Q: What are the features of rollers?

A: Featuring a sizable vibrating drum, the machine imparts the essential force needed for material compaction. The drum's rapid back-and-forth motion, induced by vibration, facilitates material consolidation, diminishing air voids, and enhancing the overall density and stability of the material.

Q: What is bottom roller?

A: Bottom rollers provide for the undercarriage clearance height. The combination of the link height and the installation height of the bottom roller defines the undercarriage height increase. There is consequently no load on the front wheel, the sprocket and the final drive of the machine.

Q: How to choose bottom roller for Bulldozer ?

A: Project scale: Large-scale earthwork projects and medium and large open-pit mining projects should be analyzed and compared and scientifically calculated according to various factors such as investment scale and supporting equipment, to determine the specifications, models, and quantities of the corresponding bulldozer bottom rollers to be purchased. For general small and medium-sized projects, such as road maintenance and farmland water conservancy, it is enough to use ordinary models of bulldozer bottom rollers.
The project supporting situation: Purchase bulldozer bottom roller to consider the matching of their existing equipment, including the excavator bottom roller operating efficiency and the existing equipment operating efficiency matching;
The existing financial situation: Before buying should have their own budget, you can choose the bulldozer bottom roller according to the budget.
bulldozer bottom roller as a bulldozer crawler chassis core component, its performance directly affects the reliability and efficiency of the machine. Choose a good bulldozer bottom roller, for the subsequent use is very important, but also needs to do a certain amount of maintenance work, the implementation of regular maintenance is aimed at reducing machine failure, extending the service life of the machine; shortening the machine downtime; improve efficiency and reduce operating costs.

Q: How should track roller wear be checked?

A: Put something with a straight edge from the front idler to the rear idler and measure the distance between the tracks and the straight edge at the midpoint between the two idlers. There should be only a modest amount of sagging of the tracks. Tracks with severe sag will be obvious to the eye.

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