China Good quality D4C D4D D4E sprocket dozer sprocket segment for cat bulldozer roller chain sprocket 1M1777 4V4107 7K2514 with high quality

Condition: New
Applicable Industries: Machinery Repair Shops, Manufacturing Plant, Construction works , Energy & Mining
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: Hot Product 2019
Warranty: 1 Year(2000hours)
Part name: Excavator sprocket,drive sprocket
Application: Crawler Excavator/Bulldozer
Material: 40SiMnTi
MOQ: 2pcs
Surface Hardness: HRC50-56,depth:4mm-10mm
Color: black or yellow
Finish: Smooth
Technique: Forging casting
Type: Undercarriage Parts
Certification: ISO9001-9002
Port: HangZhou

Products Description ConditionNewApplicable IndustriesMachinery Repair Shops, Manufacturing Plant, Construction works ,Energy & MiningAfter Warranty ServiceVideo technical support, Online supportVideo outgoing-inspectionProvidedMachinery Test ReportProvidedMarketing TypeHot Product 2019Place of OriginChinaBrand NameHONGTR/OEMWarranty1 Year(2000hours)After-sales Service ProvidedVideo technical support, Online supportAplicationCrawler Excavator/BulldozerPart nameExcavator sprocket,drive sprocketTypeUndercarriage PartsColoryellow or blackMOQ2pcsCertificationIS09001-9002TechniqueCasting/ForgingSurface HardnessHRC50-56,depth:4mm-10mmMaterial40SiMnTi main feature: 1.sproket is through quench-tempering processes to guarantee excellent mechanical properties, high strength and superior wear resistance to bending and breakage. 2.surface hardness of sproket is HRC50-60 for reduced wear and longer life, adding value to your products further to your business by maximizing durability of your products.sproket have precise design, carefully manufactured for proper fix easy grousering heavy loaded capacity up to 50tons without compromising proper functioning of the excavators reliable quality THE MODELS FOR EXCAVATOR/BULLDOZERFOR HITACHIEX40-1EX40-2EX55EX60EX60-2EX60-3EX60-5EX70EX75EX100EX110EX120EX120-1EX120-2EX120-3EX120-5EX130-1EX200-1EX200-2EX200-3EX200-5EX220-3EX220-5EX270EX300EX300-1EX300-2EX300-3EX300-5EX300AEX330EX370EX400-1EX400-2EX400-3EX400-5EX450ZAX30ZAX55ZAX200ZAX200-2ZAX330ZAX450-1ZAX450-3ZAX450-5ZX110ZX120ZX200ZX200ZX200-1ZX200-3ZX200-5gZX200LC-3ZX210ZX210-3ZX210-3ZX210-5ZX225ZX240ZX250ZX270ZX30ZX330ZX330ZX350ZX330CZX450ZX50FOR KOMATSUPC20-7PC30PC30-3PC30-5PC30-6PC40-7PC45PC45-2PC55PC120-6PC130PC130-7PC200PC200-1PC200-3PC200-5PC200-6PC200-7PC200-8PC210-6PC220-1PC220-3PC220-6PC220-7PC220-8PC270-7PC202BPC220LC-6PC220LC-8PC240PC300PC300-3PC300-5PC300-6PC300-7PC300-7KPC300LC-7PC350-6/7PC400PC400-3PC400-5PC400-6PC400lc-7PC450-6PC450-7PC600PC650PC750PC800PC1100PC1250PC200D20D31D50D60D61D61PXD65AD65PD64P-12D80D85D155D275D355FOR CATERPILLARE200BE200-5E320DE215E320DLE324DE324DLE329DLE300LE320SE320E320DLE240E120-1E311E312BE320BLE345E324E140E300BE330CE120E70E322CE322BE325E325LE330E450CAT225CAT312BCAT315CAT320CAT320CCAT320BLCAT330CAT322CAT245CAT325CAT320LCAT973FOR KOBELCOSK120-6SK120-5SK210-8SK210LC-8SK220SK220-1SK220-3SK220-5/6SK200SK200SK200SK200-3SK200-6SK200-8SK200-5/6SK60SK290SK100SK230SK250SK250-8SK260LC-8SK300SK300-2SK300-4SK310SK320SK330-8SK330SK350LC-8SK235SRSK450SK480SK30-6FOR SUMITOMOSH120SH120-3SH200SH210-5SH200SH220-3SH220-5/7SH290-3SH350-5/7SH220SH280SH290-7SH260SH300SH300-3SH300-5SH350SH60SH43FOR DAEWOODH200DH220-3DH220DH220SDH280-2DH280-3DH55DH258DH130DH370DH80DH500DH450DH225FOR KATOHD512HD1430HD 512IIIHD 820IIIHD820RHD1430IIIHD700VIIHD 1250VIIHD250SEHD400SEHD550SEHD1880FOR HYUNDAIR60-5R60-7R60-7R80-7R200R200-3R210R210R210-9R210LCR210LC-7R225R225-3R225-7R250R250-7R290R290LCR290LC-7R320R360R954FOR DOOSANDX225DX225LCADX258DX300DX300LCADX420DX430FOR VOLVOEC160CEC160DEC180BEC180CEC180DEC210EC210EC210BEC240BEC290EC290BEC240EC55EC360EC360BEC380DEC460EC460BEC460CEC700EC140EC140BEC160B THE MODELS FOR BULLDOZERFOR CATERPILLARD3D3CD4D4DD4HD5MD5HD6D6DD6MD6RD6TD7D7HD7RD8D8ND8RD9RD9ND9GD10FOR KOMATSUD20D31D50D60D61D61PXD65AD65PD64P-12D80D85D155D275D355 ZheJiang Hongtr Machinery Co.,Ltd ,With 6 years manufacturing experience machine industry for undercarriage parts for excavators and bulldozers, it is a collection of scientific research, development, manufacturing, sales and service in 1 of the scientific and technological knowledge-intensive enterprise which has specialized in the manufacture of undercarriage parts for excavators and bulldozers .Our main products are crawl type undercarriage parts, including track rollers, carrier rollers, sprocket rims and segments, RV Worm Gear Speed Reducer for Building equipment Worm speed gear box reducer made in china front idlers, track chains, track groups and track shoe, and bolts & nuts, pins & bushings, more .we know that only higher quality, and more competitive price and utmost sincere service can develop markets around the world and stand out among the many competitors.We export our products to global markets, such as Southeast Asia, the Middle East, Europe, North and South America, Australia, and Africa etc,We hope to be a long-term business partner with you FAQ 1. who are we?We are based in ZheJiang , China, start from 2016,sell to South Asia(20.00%),Southeast Asia(15.00%),South America(15.00%),MidEast(10.00%),Eastern Europe(10.00%),Northern Europe(8.00%),Domestic Market(7.00%),Africa(5.00%), Wholesale Conductive Rod Bushing Power Transformer Accessories With Brass Conductive Rods North America(5.00%). There aretotal about 11-50 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Track roller/Carrier roller,Sprocket/Segment,Front idler,Track shoe,track link4. why should you buy from us not from other suppliers?ZheJiang Hongtr Machinery Co.,Ltd ,With 6 years manufacturing experience machine industry for undercarriage parts for excavatorsand bulldozers, it is a collection of scientific research, development, manufacturing, sales and service in 1 of the factory5. what services can we provide?Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES; New TRANSPEED ATX Best Price Original Automatic Transmission Gearbox assy assembly A6GF1 Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,Western Union,Cash,Escrow;Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian, High Quality industrial swc cardan shaft, drive shaft for rolling mill machine Korean,Hindi,Italian

Roller Chain Maintenance Tips

There are many things to keep in mind when maintaining a roller chain. The main reasons include friction and external influences. Without proper lubrication and adjustment, such chains will wear prematurely. Here are some tips for keeping your roller chain in top shape. continue reading! This will make your process easier. We will also discuss the cost of the new roller chain. As always, remember to check for loose ends and adjust the chain regularly.


Roller chains are designed to accommodate many different types of loads. Sprockets are the main cause of chain wear. Axial and angular misalignment occurs when the sprocket faces are not properly aligned. Both types of misalignment increase stress and wear on the roller chain. They can also negatively affect the drive. Therefore, choosing the right chain is an important consideration.
Preloading helps to eliminate initial elongation and extend service life. The benefits of preloading can be seen in the preloading chart. Significant elongation occurs during drive startup with no or minimal preload. This is due to the surface hardness of the worn parts. On the other hand, a properly preloaded chain shows little elongation during the initial start. Therefore, proper preload can prolong wear life.
Although elongation is a natural phenomenon in any drive, it can be minimized or eliminated with proper maintenance. In addition to regular inspections, you should do a full inspection of your chain after the first hundred hours. This inspection should focus on key life factors such as 3% elongation, how the chain is lubricated, and any other issues that may affect life. A good quality chain should have the longest life and no problems.
There are many different roller chain specifications. A good rule of thumb is to choose chains with at least five links. Then, tighten the chain until a break occurs, and it will tell you what kind of break occurred. Alternatively, you can use a roller chain with the maximum allowable load. As long as the MAL doesn’t exceed that number, it’s still perfectly safe to use it for any application.


When it comes to lubrication, there are several different techniques. For example, spray lubrication is a popular method for high-horsepower drives and high-load and fast-moving machines. This method is very effective, but it is expensive, and spraying the chain too far out of the guard can cause leaks. Another common method is brush lubrication. Brush lubrication involves applying a continuous flow of oil to the chain, pushing it into the chain. This lubrication technique reduces the application temperature of the chain. Also, it can extend the life of the chain, depending on the manufacturer’s specifications.
While the lubrication of roller chain couplings varies by application, sprocket hubs should be lubricated monthly to ensure proper sealing. The amount of oil used depends on the rotational speed and the type of roller chain coupling. In general, lubricants used in roller chain couplings should have excellent adhesion, oxidation, and mechanical stability.
Wear-resistant lubricants are recommended. They prevent the rollers from sticking to each other and prevent rusting. These lubricants have low surface tension and are not harmful to metal or O-ring chains. The optimum lubrication method depends on ambient temperature, horsepower, and chain speed. Properly lubricating a roller chain increases the life of the chain and reduces the risk of wear.
Proper lubrication of the roller chain is essential to prevent corrosion and prolong its service life. The oil forms a smooth film on the chain components, reducing metal-to-metal contact and minimizing friction and wear. Additionally, the oil provides a smooth running surface and reduces noise. However, the running-in process of roller chain lubrication cannot be underestimated. When using heavy-duty oils, ensure that the lubricant is compatible with operating and ambient temperatures.


To extend the life of your roller chain, you need to carry out regular inspections. First, you should check the T-pin on the link plate at the joint. If they are not connected properly, it can cause the chain to stretch and not maintain proper spacing and timing. Next, you should look for unusual noise, corrosion, and dirt that may indicate wear. If you notice any of these problems, it’s time to replace the chain.
In order to properly maintain a roller chain, both areas of the roller chain must be lubricated with the correct lubricant. Lubricants used should be SAE non-degreased oils. There are several types of lubricants available, but the best one is a petroleum-based oil with a high viscosity. You can also check for signs of wear, such as red or brown discoloration. This means that there is not enough lubrication.
While the life expectancy of a roller chain is unknown, it is important to know how to extend its life and maximize its effectiveness. Improper tension and alignment can shorten its life and place undue stress on the drive system and the chain itself. Incorrect tension can also lead to slippage and increased energy output. Therefore, you should calculate the tension and alignment of the chain during the initial installation. Check and adjust regularly.
Another way to extend the life of your rollers is to thoroughly clean the inside and outside of the rollers. You should also lubricate it frequently to prevent excessive heat buildup. Designed to prevent overheating by limiting the amount of work during break-ins. Additionally, regular inspections will help you catch anomalies early enough to stop operations. Last but not least, regular lubrication will prolong the life of the roller chain.


Buying a roller chain is a big decision, but initial cost shouldn’t be the only consideration. The cost of the roller chain itself, as well as the running costs, should be considered. Even the lowest-priced chains can be more expensive in the long run. Additionally, maintenance and energy costs may increase. The best roller chain for your business will be the one that best suits your needs. Listed below are some considerations to consider when purchasing a roller chain.
First, what material should you use? Roller chains come in many different materials. Stainless steel is a commonly used material in construction. Materials are selected based on the cost and design of chain horsepower transmission. Various manufacturing processes will determine which material is suitable for your application. Also, the weight of the chain will vary depending on its pitch and the construction technique used. A large part of the cost of a roller chain is on the drive sprocket.
Another consideration is installation cost. Roller chains are commonly used in agricultural and transportation applications, especially for agronomic products. If lubrication is your concern, maintenance-free chains are the best choice. Corrosion-resistant chains are ideal for wet environments. They are sold in boxed lengths, so replacing a longer length requires adding a shorter length. To avoid trouble, use the skateboard to help connect the links.
Another consideration is the overall width. The overall width of an open #40 roller chain may vary but should be at least 10 feet wide. Although it is not the most expensive type of roller chain, it will last longer. Using it correctly will increase its overall longevity, so it’s a good idea to choose it wisely. If your business uses roller chains regularly, the cost reduction is well worth it.


A roller chain consists of a pair of alternating pins and roller links. The pins are pressed into the side panels and hinged to the rollers. Roller chains can be single or multi-strand, connected by a common pin. The multi-strand design provides higher shear strength for demanding power transmission applications. Typical applications for roller chains include conveyors, hoists, and other mechanical equipment.
The horsepower capability of a roller chain is limited by several factors, including pin shock and friction. While research into these factors has placed some limits on the maximum operating speed of the roller chain, practical experience has shown that these systems can be used at higher speeds. Proper lubrication and cooling can increase the durability of these chains. In addition, roller chain applications include:
Drive and conveyor systems are the two main uses of roller chains. During driving operations, wear and elongation are a natural part of the operation. However, lubrication plays a vital role in minimizing wear and shock loads. Therefore, wear is inevitable and special care must be taken to ensure proper lubrication. Additionally, lubrication reduces heat dissipation in the chain.
The materials used to make roller chains vary from one type to another. Stainless steel is common, but nylon or brass are sometimes used. These materials are less expensive and more durable than steel or stainless steel. The best material for the job depends on a variety of factors, including cost, environmental conditions, and design horsepower transmission. For example, the pin bushing contact area is a critical area requiring lubrication. Additionally, some coatings are designed to retard the corrosive effects of water or oil.
China Good quality D4C D4D D4E sprocket dozer sprocket segment for cat bulldozer roller chain sprocket 1M1777 4V4107 7K2514  with high qualityChina Good quality D4C D4D D4E sprocket dozer sprocket segment for cat bulldozer roller chain sprocket 1M1777 4V4107 7K2514  with high quality

Chain Sprocket

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