China Custom D7g Cat Bulldozer Undercarriage Parts Track Roller/Bottom Roller 9s0319 4s9051 9s0317 8s2933

Product Description

Professional Excavator&Bulldozer CHINAMFG Undercarriage Parts Manufacturer

Factory Supplying Directly
Super Quality with Competitive Price!!!

 

Product Features:

Product Name: D7G Cat Bulldozer Undercarriage Parts Track Roller/Bottom Roller 9S571 4S9051 9S 0571 8S2933
Technical: Forging/Casting
Surface Hardness: HRC52-58, Deepth:8mm-12mm
Colors: Black or Yellow
Finishing: Smooth
Applicable Industries: Machinery Repair Shops, Construction works
Material: 35MnB
Related Products: Track Link, Track Pad, Track Roller, Idler. Sprockets, Carrier Roller, Tensioner for Excavators And Dozers

Confirming Dimensions With Us Before Placing Order
Make Sure the Parts Matching with Your Machine

Strict Quality Control System

Original Factory, Quality Guarantted.
Choose us. You can buy better parts with good price!

XIHU (WEST LAKE) DIS.N Excavator&Bulldozer Undercarriage Parts&Components Including:

  • Track Chain With Track Shoe Assembly
  • Segments for Heavy Duty Excavator and Bulldozer
  • Drive Sprockets
  • Track Roller
  • Carriaer Roller
  • Idler
  • Tensioner Spring
  • Bolts&Nuts for All Part

Related Models:

THE MODELS FOR EXCAVATOR/BULLDOZER 
FOR HITACHI 
EX40-1 EX40-2 EX55 EX60 EX60-2 EX60-3 EX60-5 EX70 EX75
EX100 EX110 EX120 EX120-1 EX120-2 EX120-3 EX120-5 EX130-1 EX200-1
EX200-2 EX200-3 EX200-5 EX220-3 EX220-5 EX270 EX300 EX300-1 EX300-2
EX300-3 EX300-5 EX300A EX330 EX370 EX400-1 EX400-2 EX400-3 EX400-5
EX450 ZAX30 ZAX55 ZAX200 ZAX200-2 ZAX330 ZAX450-1 ZAX450-3 ZAX450-5
ZX110 ZX120 ZX200 ZX200-1 ZX200-3 ZX200-5G ZX200LC-3 ZX210 ZX210-3
ZX210-5 ZX225 ZX240 ZX250 ZX270 ZX300 ZX330 ZX330C ZX350
ZX450 ZX450LC ZX500 ZX500LC ZX520 ZX670 ZX690 ZX870 ZX130
ZX170 ZX170LC ZX195 ZX260 ZX360 ZX360LC ZX400 ZX470 ZX490
FOR KOMATSU(EXCAVATOR)
PC20-7 PC30 PC30-3 PC30-5 PC30-6 PC40-7 PC45 PC45-2 PC55
PC120-6 PC130 PC130-7 PC200 PC200-1 PC200-3 PC200-5 PC200-6 PC200-7
PC200-8 PC210-6 PC220-1 PC220-3 PC220-6 PC220-7 PC220-8 PC270-7 PC202B
PC220LC-6 PC220LC-8 PC240 PC300 PC300-3 PC300-5 PC300-6 PC300-7 PC300-7K
PC300LC-7 PC350-6/7 PC400 PC400-3 PC400-5 PC400-6 PC400LC-7 PC450-6 PC450-7
PC600 PC650 PC750 PC800 PC1100 PC1250 PC2000 PC360 PC460
FOR KOMATSU(BULLDOZER)
D20  D31 D50 D60 D61 D61PX D65A D65P D64P-12
D80 D85 D155 D275 D355 D85PX D85EX D65EX D65PX
D65E D68 D68ESS D75 D75S D85ESS D155 D155A D155AX
D275 D275AX D355 D475          
FOR CATERPILLAR(EXCAVATOR)
E200B E200-5 E320D E215 E320DL E324D E324DL E329DL E300L
E320S E320 E320DL E240 E120-1 E311 E312B E320BL E345
E324 E140 E300B E330C E120 E70 E322C E322B E325
E325L E330 E450 CAT225 CAT312B CAT315 CAT320 CAT320C CAT320BL
CAT330 CAT322 CAT245 CAT325 CAT320L CAT973  CAT939C CAT963C CAT313
CAT323 CAT318 CAT326 CAT328 CAT329 CAT336 CAT340 CAT345 CAT349
FOR CATERPILLAR(BULLDOZER)
D3 D3B D3C D3D D4 D4C D4D D4E D4H
D5 D5B D5C D5D D5H D5M D6 D6C D6D
D6H D6M D6R D6G D6N D7 D7C D7D D7E
D7F D7G D7H D7R D8 D8R D8N D8H D8T
D8L D8K D8G D8M D9 D9L D9N D9R D9T
D10 D10R D10N D10T D11 D11R D11N    
FOR KOBELCO
SK120-6 SK120-5 SK210-8 SK210LC-8 SK220 SK220-1 SK220-3 SK220-5/6 SK200 
SK200 SK200  SK200-3 SK200-6 SK200-8 SK200-5/6 SK60 SK290 SK100
SK230 SK250 SK250-8 SK260LC-8 SK300 SK300-2 SK300-4 SK310 SK320
SK330-8 SK330 SK350LC-8 SK235SR SK450 SK480 SK30-6    
FOR SUMITOMO
SH120  SH120-3 SH200 SH210-5 SH200 SH220-3 SH220-5/7 SH290-3 SH350-5/7
SH220 SH280 SH290-7 SH260 SH300 SH300-3 SH300-5 SH350 SH60
FOR VOLVO
EC160C EC160D EC180B EC180C EC180D EC210 EC210 EC210B EC240B
EC290 EC290B EC240 EC55 EC360 EC360B EC380D EC460 EC460B
EC460C EC700 EC140 EC140B EC160B EC350 EC350DL EC480 EC340
FOR LIEBHERR
R914 R924 R934 R944 R916 R926 R936 R954 R966
R974 R984              
FOR KUBOTA
JH60-7 JH115 JH135 JH161 JH185        
FOR DAEWOO
DH200 DH220-3 DH220 DH220S DH280-2 DH280-3 DH55 DH258 DH130
DH370 DH80 DH500 DH450 DH225 DH150 DH330 DH400 DH580
FOR HYUNDAI
R60-5 R60-7 R80-7 R200 R200-3 R210 R210-1 R210-9 R210LC
R210LC-7 R225 R225-3 R225-7 R250 R250-7 R290 R290LC R290LC-7
R320 R360 R954 R205 R210-5 R215 R230 R235 R275
R300 R385 R485            
FOR KATO
HD512 HD1430 HD512III HD820III HD820R HD1430III HD700VI HD1250VII HD250SE
HD400SE HD500SE HD1880            
FOR DOOSAN
DX225 DX225LC DX258 DX300 DX300LCA DX420 DX430 DX140 DX150
DX220 DX250 DX255 DX260 DX370 DX480 DX520    
FOR SHXIHU (WEST LAKE) DIS.I
SD13-2 DH16J2XL DH16J2LGP SD16 SD22 SD32      
FOR CASE
CX210 CX210B CX210C CX210D CX210LC CX225 CX235 CX235C CX240
CX240C CX245 CX250 CX250C CX300 CX300C CX330 CX330C CX350
CX350C CX460 CX460LC CX470 CX470C CX490 CX490D CX700 CX700B
CX750 CX750D              
FOR JCB
JS200 JS200SC JS210 JS210SC JS220 JS220LC JS230 JS230LC JS240
JS240LC JS290 JS290LC JS300 JS300LC JS330 JS330LC    
FOR XCMG
XE55DA XE60DA XE65DA XE75DA XE80C XE80D XE85C XE85D XE135D
XE155DK XE150D XE155D XE200DA XE200D XE200C XE205DA XE215DA XE215C
XE215D XE215HB XE225DK XE230C XE245DK XE240D XE260C XE265C XE270DK
XE305D XE335DK XE335C XE370D XE370DK XE370CA XE370C XE380DK XE470D
XE490DK XE490CK XE500HB XE520DK XE550DK XE750D XE750G XE950D XE950G
XE950DA XE55 XE60 XE65 XE75 XE80 XE85 XE135 XE150
XE155 XE200 XE205 XE215 XE225 XD230 XE240 XE245 XE260
XE265 XE270 XE305 XE335 XE370 XE380 XE470 XE490 XE500
XE520 XE550 XE750 XE950          
FOR MITSUBISHI
MS30 MS110 MS110-3 MS110-5 MS110-8 MS180      
FOR SAMSUNG
SE210 SE280 SE320            
FOR IHI
IHI35 IHI50 IHI55 IHI60 IHI75        
FOR YMMA
YM15 YM30 YM35 YM55 YM65 YM85      
FOR LIUGONG
LG906C LG907 LG200 LG220 LG925 LG934      

Packing&Shipping
FAQ

 

1. You are a trader or a manufacture?
We are an industry and trade integration business.

2. How can I be sure the part will fit my excavator/bulldozer?
Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.

3. How about the payment terms?
We usually accept T/T(Wire Transfer). other terms also could be negotiated.

4. What is your minimum order?
It depends on what you are buying. Normally, 1 pcs also can be suppllied.

5. What is your delivery time?
FOB HangZhou or any Chinese port : 20 days . If there are any parts in stock , our delivery time is only 1-5 days.

6. 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.

Contact Us: 
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After-sales Service: Technical Support
Warranty: 1 Year
Type: Undercarriage Parts Idler
Application: Bulldozer Idler for Cat
Certification: CE, ISO9001: 2000
Condition: New
Samples:
US$ 100/Set
1 Set(Min.Order)

|

Customization:
Available

|

limiter torque

Can you explain the impact of tensioner rollers on the overall drivability of vehicles?

Tensioner rollers play a crucial role in the overall drivability of vehicles, particularly in systems that utilize belts for power transmission. The design and performance of tensioner rollers have several key impacts on the drivability of vehicles. Here’s a detailed explanation of their effects:

1. Reliable Power Transmission:

Tensioner rollers help maintain proper tension in the belts used for power transmission. By ensuring the right amount of tension, tensioner rollers prevent belt slippage, which is vital for reliable power transmission. Reliable power transmission improves the overall drivability of vehicles by ensuring smooth acceleration, consistent operation of accessories (such as the alternator, air conditioning compressor, and power steering pump), and optimal performance of the engine-driven components.

2. Minimized Belt Noise and Vibration:

Well-designed tensioner rollers contribute to reducing belt noise and vibration. Excessive belt noise and vibration can negatively impact the drivability of vehicles, causing discomfort to occupants and indicating potential issues with the belt system. Tensioner rollers with proper damping mechanisms and optimized design help minimize noise and vibration, enhancing the overall driving experience.

3. Enhanced Engine Efficiency:

Efficient power transmission is vital for optimizing engine performance and fuel efficiency. Tensioner rollers maintain proper tension in the belts, ensuring efficient power transfer from the engine to the driven components. By reducing belt slippage and maintaining optimal tension, tensioner rollers help maximize the efficiency of the engine, leading to improved fuel economy and overall drivability.

4. Prevented Belt System Failures:

Tensioner rollers play a critical role in preventing belt system failures. They help extend the lifespan of belts by reducing wear and preventing excessive stress or strain on the belts. By maintaining proper tension and alignment, tensioner rollers minimize the risk of belt damage, premature wear, or sudden belt failure. Preventing belt system failures ensures uninterrupted power transmission, preventing drivability issues and potential breakdowns.

5. Reduced Maintenance Requirements:

Properly functioning tensioner rollers can reduce the maintenance requirements of the belt system. By maintaining optimal tension and alignment, tensioner rollers help minimize wear and prolong the lifespan of belts and other components. This reduces the frequency of belt replacements, adjustments, and related maintenance tasks, contributing to improved drivability by reducing downtime and maintenance costs.

6. Improved Belt System Durability:

Tensioner rollers with robust design and high-quality materials enhance the durability of the belt system. They withstand the demands of the operating conditions, such as temperature variations, engine vibrations, and belt loads. Improved durability of the belt system ensures long-lasting performance, minimizing the risk of unexpected failures or drivability issues due to worn-out or damaged belts.

7. Compliance with Manufacturer Specifications:

Tensioner rollers that meet the manufacturer’s specifications and recommendations contribute to optimal drivability. Automotive manufacturers often design and specify tensioner rollers that are compatible with their specific engine and accessory systems. Using tensioner rollers that comply with these specifications ensures proper fitment, operation, and performance, promoting optimal drivability of vehicles.

In summary, tensioner rollers have a significant impact on the overall drivability of vehicles. They ensure reliable power transmission, minimize belt noise and vibration, enhance engine efficiency, prevent belt system failures, reduce maintenance requirements, improve belt system durability, and comply with manufacturer specifications. Investing in high-quality tensioner rollers and ensuring their proper functioning can greatly enhance the drivability, performance, and reliability of vehicles.

limiter torque

How does the design of tensioner rollers impact the overall efficiency of belt-driven systems?

The design of tensioner rollers plays a significant role in determining the overall efficiency of belt-driven systems. Various design factors influence the performance, reliability, and energy efficiency of the system. Here’s a detailed explanation of how the design of tensioner rollers impacts the overall efficiency:

1. Friction and Energy Loss:

The design of tensioner rollers affects the amount of friction generated between the roller and the belt. Excessive friction can result in energy loss and reduced efficiency. Tensioner rollers with smooth surfaces, low-friction materials, and optimal contact area reduce friction, minimizing energy loss in the system. Well-designed tensioner rollers help maximize power transmission efficiency by reducing frictional losses.

2. Bearing Design and Lubrication:

The design of the bearings used in tensioner rollers influences the overall efficiency of the system. High-quality bearings with low friction and proper lubrication minimize power losses due to bearing friction. Well-designed tensioner rollers incorporate efficient bearing arrangements, such as sealed or lubricated-for-life bearings, to reduce friction and improve overall system efficiency.

3. Weight and Inertia:

The weight and inertia of tensioner rollers can impact the system’s efficiency, especially in high-speed applications. Heavier tensioner rollers require more energy to accelerate and decelerate, resulting in increased power consumption. Well-designed tensioner rollers optimize their weight and inertia to minimize energy losses associated with rotational motion, improving the overall efficiency of the belt-driven system.

4. Material Selection:

The choice of materials for tensioner rollers can significantly impact system efficiency. Materials with low friction coefficients, high strength, and good wear resistance help reduce energy losses and improve overall efficiency. Well-designed tensioner rollers utilize materials that minimize internal friction, reduce wear on the belt, and enhance power transmission efficiency.

5. Dynamic Tension Control:

Some tensioner roller designs incorporate dynamic tension control mechanisms that adapt to changes in operating conditions. These mechanisms adjust the tension in real-time, optimizing the belt’s grip and reducing power losses due to slippage or excessive tension. Tensioner rollers with advanced tension control features help maintain optimal tension levels, improving overall system efficiency.

6. Alignment and Belt Tracking:

Proper alignment and belt tracking are essential for efficient power transmission and reduced wear. Tensioner rollers with well-designed alignment features ensure that the belt remains properly aligned with the pulleys throughout its operation. This minimizes energy losses resulting from misalignment, reduces belt wear, and improves the overall efficiency of the belt-driven system.

7. Durability and Maintenance:

The design of tensioner rollers can impact their durability and maintenance requirements. Well-designed tensioner rollers are built to withstand the rigors of the application, reducing the need for frequent replacements. Additionally, easy-to-maintain designs with accessible components simplify maintenance tasks, minimizing downtime and improving the overall efficiency of the belt-driven system.

8. Compliance with Industry Standards:

Designing tensioner rollers to comply with industry standards and specifications ensures that they meet performance and efficiency requirements. Standards such as ISO or ANSI define specifications for tensioner roller design, load capacity, and efficiency. Tensioner rollers designed and manufactured to meet these standards are more likely to contribute to the overall efficiency of the belt-driven system.

In summary, the design of tensioner rollers has a significant impact on the overall efficiency of belt-driven systems. Factors such as friction reduction, bearing design, weight and inertia optimization, material selection, dynamic tension control, alignment and belt tracking, durability, maintenance, and compliance with industry standards all contribute to improving system efficiency. Well-designed tensioner rollers help minimize energy losses, reduce wear, and enhance power transmission efficiency, resulting in more efficient and reliable belt-driven systems.

limiter torque

What is a tensioner roller, and what role does it play in mechanical systems?

A tensioner roller, also known as a belt tensioner or idler pulley, is a component commonly used in mechanical systems to maintain proper tension in belts or chains. It plays a crucial role in ensuring the efficient and reliable operation of various systems that rely on the power transmission provided by belts or chains. Here’s a detailed explanation of what a tensioner roller is and the role it plays in mechanical systems:

1. Definition and Construction:

A tensioner roller is a pulley-like component that is typically mounted on a spring-loaded arm or bracket. It consists of a smooth or grooved surface that comes into contact with the belt or chain. The tensioner roller is designed to rotate freely on bearings or bushings, allowing it to accommodate the movement of the belt or chain and maintain the desired tension.

2. Tension Maintenance:

The primary role of a tensioner roller is to maintain the appropriate tension in belts or chains. Tension is crucial for the proper functioning of power transmission systems. If the tension is too loose, the belt or chain may slip, resulting in a loss of power transfer and potential damage to the system. On the other hand, excessive tension can cause increased wear on the belt or chain, as well as strain on other components. The tensioner roller applies the necessary force to keep the belt or chain properly tensioned, ensuring optimal power transmission efficiency and preventing premature wear or failure.

3. Compensation for Belt or Chain Stretch:

Over time, belts and chains can experience stretching due to normal wear and tear or changes in operating conditions. This stretching can lead to a decrease in tension and affect the performance of the mechanical system. Tensioner rollers are designed to compensate for belt or chain stretch by automatically adjusting their position to maintain the desired tension. The spring-loaded arm or bracket allows the tensioner roller to move and adapt to the changing length of the belt or chain, ensuring consistent tension throughout the system’s operation.

4. Noise and Vibration Dampening:

Tensioner rollers also contribute to reducing noise and vibration in mechanical systems. The smooth rotation of the tensioner roller on its bearings or bushings helps absorb and dampen the vibrations generated during the operation of the belt or chain. This reduces the overall noise level and improves the smoothness of the system’s operation, enhancing user comfort and minimizing potential damage caused by excessive vibrations.

5. Maintenance and Replacement:

Proper maintenance of tensioner rollers is essential to ensure their continued functionality. Regular inspections should be conducted to check for signs of wear, damage, or misalignment. If a tensioner roller is found to be worn, damaged, or no longer providing adequate tension, it should be promptly replaced to prevent further complications and maintain the optimal operation of the mechanical system.

6. Applications:

Tensioner rollers are used in a wide range of mechanical systems that rely on belts or chains for power transmission. They can be found in automotive engines, industrial machinery, HVAC systems, printing equipment, and many other applications. The specific design and size of tensioner rollers may vary depending on the requirements of the system in which they are used.

In summary, a tensioner roller is a crucial component in mechanical systems that rely on belts or chains for power transmission. It ensures the proper tension of the belt or chain, compensates for stretch, reduces noise and vibration, and contributes to the overall efficiency and reliability of the system. Regular maintenance and timely replacement of tensioner rollers are essential to ensure optimal performance and prevent potential issues in mechanical systems.

China Custom D7g Cat Bulldozer Undercarriage Parts Track Roller/Bottom Roller 9s0319 4s9051 9s0317 8s2933  China Custom D7g Cat Bulldozer Undercarriage Parts Track Roller/Bottom Roller 9s0319 4s9051 9s0317 8s2933
editor by CX 2024-02-22