Product Description
Undercarrier Parts E70 E70B Track Roller CAT70 CAT70B Bottom Roller
| Products information |
| Product name | Excavator/ Bulldozer Track Roller, Excavator Undercarriage Parts |
| Material | 35MnB/40Mn2 |
| Color | Yellow or Black or Customized |
| Technique | Forging/ Casting |
| Finish | Smooth |
| Surface Hardness/Hardness Depth | HRC52-59/8-12mm |
| Packing | standard export packed |
| Port | HangZhou, Xihu (West Lake) Dis. port |
| Time of delivery | Within 15 days after contact and negotiation |
| Payment terms | T/T, L/C, Western Union and so on |
Undercarrier Parts E70 E70B Track Roller CAT70 CAT70B Bottom Roller
| Related Products |
Undercarrier Parts E70 E70B Track Roller CAT70 CAT70B Bottom Roller
| Package & Delivery |
1.Package:
Cartons, wooden cases, pallets, etc., according to customer requirements.
2.Delivery type:
A.International Courier, Such as DHL, TNT,UPS or Fedex.
B.By air/By sea/By land.
Undercarrier Parts E70 E70B Track Roller CAT70 CAT70B Bottom Roller
| About us |
HangZhou CHINAMFG Machinery Co., Ltd. Located in HangZhou city, ZheJiang Province, China. We are a manufacturer
and exporter, specialized in the research, development and production of undercarriage parts for tractor
excavators and bulldozers, all kinds of generator set and engine, refrigeration compressors and spray
polyurea coating materials.
Professional providing in a wide range of construction machine spare parts for crawler excavator,bulldozer,crane:
| 1.Undercarriage Parts | carrier roller, track roller, idler, sprocket, | |||
| adjuster cylinder assy, track shoe, track link, | ||||
| bucket, bucket bushi, bucket teeth, teeth adapter, bolt and nut etc. | ||||
| 2.Engine parts | cylinder block, cylinder head, liner kits, con rod, engine bearing, | |||
| in/ex valve, valve seat, gasket kit, head gaskit, crankshaft, | ||||
| cam shaft,water pump, fuel pump, oil pump, turbocharger, | ||||
| nozzle, oil cooler assy, manifold exhaust etc | ||||
| 3.Seal kits | boom/arm/bucket cylinder seal kit, hydraulic pump seal kit, | |||
| swing motor seal kit,travel motor seal kit, control valve seal kit, | ||||
| adjuster seal kit, center joint seal kit,gear pump seal kit, | ||||
| regulator seal kit, breaker seal kit, bulldozer seal kit etc. | ||||
| 4.Hydraulic parts | hydraulic pump, swing motor assy, travel motor assy, gearbox, | |||
| main control valve, foot valve, operating od assy, pilot pump, | ||||
| regulator, center joint, relief valve, bearing, hydraulic spare parts, gear, etc. | ||||
| 5.Filter | oil filter, fuel filter, hydraulic filter, air filter, oil water seperator etc. | |||
| 6.Gear parts | travel,swing motor:sun gear,shaft,carrier assy,housing,hub,cover. | |||
Undercarrier Parts E70 E70B Track Roller CAT70 CAT70B Bottom Roller
| FAQ |
1. How can I be sure the part will fit my excavators and bulldozers?
Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.
2.How about the payment terms?
We usually accept T/T or L/C. other terms also could be negotiated.
3.What is your delivery time?
FOB HangZhou or any Chinese port : 30-40 days . If parts are in stock , our delivery time is only 7-10 days.
4.What are the modes of transportation?
We respect the choice of customers, will also provide advice to customers, the specific mode of transportation can be negotiated.
5.What about Quality Control?
We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.
If you are interested in our products, please feel free to contact us to discuss. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 12 Month |
| Type: | Crawler Excavator, Excavator Bucket |
| Application: | Excavator |
| Certification: | CE, ISO9001: 2000, CE, ISO9001: 2000 |
| Condition: | New |
| Customization: |
Available
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How do cam rollers contribute to the adaptability and versatility of tracking systems in various settings?
Cam rollers play a significant role in enhancing the adaptability and versatility of tracking systems across various settings. Their design and functionality enable them to meet the diverse requirements of different applications. Here’s a detailed explanation of how cam rollers contribute to the adaptability and versatility of tracking systems:
- Multiple Track Configurations: Cam rollers can be utilized in various track configurations, such as linear tracks, curved tracks, or complex multi-axis tracks. This flexibility allows tracking systems to adapt to different motion patterns and trajectories required by different applications. Whether it’s a straight-line motion, circular path, or customized multi-axis motion, cam rollers can be configured to accommodate a wide range of tracking requirements.
- Adjustable Cam Profiles: The design of cam rollers allows for adjustable cam profiles. Cam profiles determine the motion characteristics of the tracking system, including acceleration, deceleration, and dwell periods. By modifying the cam profiles, cam rollers can be customized to suit specific application needs. This adjustability enhances the adaptability of tracking systems, enabling them to handle different speed profiles, motion sequences, or tracking patterns.
- Modular and Scalable Design: Cam rollers are often designed with a modular and scalable approach, allowing for easy integration into different systems and the ability to scale up or down based on application requirements. They can be combined with other components, such as motors, gearboxes, or sensors, to create a complete tracking system. This modular design facilitates the adaptability and versatility of tracking systems, enabling customization and quick reconfiguration as per changing needs.
- Wide Range of Load Capacity: Cam rollers are available in various sizes and configurations, offering a wide range of load capacities. From lightweight applications to heavy-duty industrial settings, cam rollers can handle different loads and forces. This versatility allows tracking systems to adapt to diverse payload requirements, making them suitable for applications ranging from small-scale automation to large-scale material handling.
- Compatibility with Different Environments: Cam rollers are designed to operate in various environmental conditions. They can withstand factors like temperature variations, dust, moisture, and contaminants commonly found in industrial or outdoor settings. This compatibility with different environments enhances the adaptability of tracking systems, enabling their deployment in diverse industries such as manufacturing, logistics, automotive, and aerospace.
- Integration with Control Systems: Cam rollers can be seamlessly integrated with electronic or computer-controlled components, such as sensors, actuators, or programmable logic controllers (PLCs). This integration allows for precise control, synchronization, and automation of tracking systems. By incorporating control systems, cam rollers can adapt to dynamic operating conditions, respond to real-time feedback, and enable advanced tracking functionalities.
- Compatibility with Various Object Shapes and Sizes: Cam rollers are designed to accommodate a wide range of object shapes, sizes, and materials. They can track objects of different geometries, from flat panels to irregularly shaped components. This compatibility with various object characteristics enhances the versatility of tracking systems, enabling them to handle diverse workpieces, products, or materials.
The adaptability and versatility of tracking systems are significantly enhanced by the use of cam rollers. Their ability to work with different track configurations, adjust cam profiles, modular design, load capacity, environmental compatibility, integration with control systems, and compatibility with various object shapes and sizes makes them a valuable component in a wide range of applications, providing adaptability, flexibility, and versatility to tracking systems in diverse settings.

How does the choice of materials impact the performance of cam rollers in different environments?
The choice of materials significantly impacts the performance of cam rollers, especially when it comes to their operation in different environments. The selection of appropriate materials ensures the durability, reliability, and efficiency of cam rollers, while also ensuring they can withstand the specific conditions and challenges posed by different environments. Here’s a detailed explanation of how the choice of materials impacts the performance of cam rollers in different environments:
- Corrosive Environments: In corrosive environments where cam rollers may come into contact with chemicals, moisture, or other corrosive agents, the choice of materials is critical to prevent corrosion and maintain performance. Materials such as stainless steel or corrosion-resistant coatings like zinc plating or epoxy coatings are commonly used to protect cam rollers from corrosion, ensuring their longevity and reliable operation.
- High-Temperature Environments: In high-temperature environments, the choice of materials for cam rollers is crucial to ensure dimensional stability and resistance to heat-induced degradation. Heat-resistant materials such as high-temperature alloys or ceramics are employed to withstand elevated temperatures without compromising performance or structural integrity.
- Low-Temperature Environments: In low-temperature environments, materials used for cam rollers should retain their mechanical properties and flexibility even at extremely low temperatures. Some materials, such as certain grades of stainless steel or special polymers like PTFE (polytetrafluoroethylene), exhibit excellent low-temperature performance and are suitable for cam rollers operating in cold environments.
- High-Speed Applications: In high-speed applications where cam rollers experience rapid rotational speeds, material selection is crucial to ensure reliable and safe operation. High-performance materials with excellent wear resistance, low friction coefficients, and high strength are preferred to withstand the stresses and demands of high-speed rotation without premature wear or failure.
- High-Load Applications: In applications where cam rollers experience heavy loads, the choice of materials is essential to ensure sufficient load-carrying capacity and resistance to deformation or fatigue. Materials with high strength, hardness, and toughness, such as hardened steels or bearing-grade alloys, are commonly used to withstand the high loads and prevent premature wear or failure under heavy load conditions.
- Cleanroom Environments: In cleanroom environments where strict cleanliness and contamination control are necessary, the choice of materials for cam rollers is critical. Materials that are low in particle generation, have low outgassing properties, and can withstand frequent cleaning and sterilization procedures are preferred to maintain the cleanliness and integrity of the cleanroom environment.
- Food and Beverage Industry: In the food and beverage industry, cam rollers may need to comply with specific food safety regulations and requirements. Materials that are FDA-approved, food-grade, and resistant to chemicals or cleaning agents commonly used in the industry are selected to ensure the hygienic operation of cam rollers in food processing, packaging, or handling applications.
By carefully considering the environmental conditions and requirements of different applications, manufacturers can select the appropriate materials for cam rollers to optimize their performance and longevity. Material choices should take into account factors such as corrosion resistance, temperature resistance, speed capability, load capacity, cleanliness, and compliance with industry-specific regulations.
In summary, the choice of materials has a significant impact on the performance of cam rollers in different environments. The selection of appropriate materials ensures resistance to corrosion, high or low temperatures, enables high-speed or high-load operation, facilitates cleanliness in cleanroom environments, and meets specific requirements of industries like food and beverage. By choosing the right materials, cam rollers can deliver reliable, efficient, and long-lasting performance in diverse operating conditions.

How does the design of a cam roller contribute to efficient motion and tracking?
The design of a cam roller plays a crucial role in ensuring efficient motion transmission and tracking along the surface profile of a cam or track. Various design features are incorporated to optimize performance, reliability, and smooth operation. Here’s a detailed explanation of how the design of a cam roller contributes to efficient motion and tracking:
- Bearing Element: The choice of the bearing element, such as cylindrical rollers, needle rollers, or ball bearings, is a critical design consideration. The bearing element should be selected based on the specific application requirements, including load capacity, speed, and precision. The bearing element allows for smooth rolling motion and efficient load distribution, minimizing friction and wear.
- Outer Ring Profile: The outer ring of a cam roller has a profile that matches the shape of the cam or track. This design feature ensures accurate tracking and follows the contour of the cam or track surface. The outer ring provides guidance and support to the roller, allowing it to smoothly traverse the cam profile without slipping or deviating from the desired path.
- Stud or Yoke: The stud or yoke is the component that attaches the cam roller to the moving part of the mechanical system. It is designed to provide secure attachment and proper alignment. The stud or yoke may have additional features such as threaded ends, lubrication provisions, or seals to enhance functionality and ease of maintenance.
- Roller Retainers: In some cam roller designs, roller retainers are used to maintain proper spacing and alignment of the rollers within the outer ring. These retainers prevent roller skewing and ensure even load distribution among the rollers. By maintaining precise roller alignment, efficient motion transmission and tracking are achieved.
- Sealing and Lubrication: Proper sealing and lubrication are essential for the efficient functioning of cam rollers. Seals prevent contaminants from entering the bearing and protect against lubricant leakage. Lubrication reduces friction and wear, ensuring smooth rolling motion. The design of cam rollers may include sealing elements and lubrication provisions to facilitate effective sealing and lubrication maintenance.
The careful consideration of these design factors contributes to efficient motion and tracking in cam rollers. When the cam roller is in operation, these design features enable it to smoothly follow the profile of the cam or track, ensuring accurate and reliable motion transmission. Efficient tracking minimizes energy losses, reduces wear, and enhances the overall performance of the mechanical system.
It is important to note that the design of a cam roller should be selected based on the specific requirements of the application. Factors such as load capacity, speed, operating conditions, and precision requirements should be taken into account to ensure optimal performance and longevity of the cam roller in the mechanical system.
In summary, the design of a cam roller, including the bearing element, outer ring profile, stud or yoke, roller retainers, sealing, and lubrication, contributes to efficient motion transmission and tracking. These design features enable smooth rolling motion, accurate tracking along the cam profile, and reliable performance in various mechanical systems.


editor by Dream 2024-04-26