• Oregon chainsaw bar identification

    Oregon chainsaw bar identification

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    There are several ways to find the right saw chain for your saw. Knowing your make and model of your saw is a good starting point to use our Find Your Parts lookup. If you need help identifying this information you can take your saw to a dealer for assistance.

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    In many cases Oregon offers multiple saw chain options for a saw. Below is information to help you determine the right saw chain fit up for your saw and the different chain types to meet the needs of different saw users.

    Chain Gauge is the Drive Link's thickness where it fits into the guide bar groove, matching the guide bar gauge. The gauge of the chain and the gauge of the bar must match. Oregon has several gauges of saw chain. Normal wear can make it difficult to accurately measure chain gauge on a worn chain. Always order by the number stamped on the drive link of your old chain to assure correct gauge.

    See the chain-pitch-and-gauge chart below. Once you know the make, model, and bar length, there are some other features you need to know, such as:.

    Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. Pitch is important because the drive sprocket must be the same pitch as the chain, and if applicable, the bar nose sprocket. An easy way to determine the pitch of your chain is to look at the number stamped on the drive link. Your guide bar's length is represented by the cutting length or "called length"which is different from its total or overall length.

    Chain Number Conversion Chart

    The cutting length is the distance from the front of the saw to the tip of the guide bar, rounded to the nearest inch. Tip: If you have an Oregon bar, look at the part number stamped on the motor end; the first two digits, such as 16, tell you the called length. The length of your chain is determined by counting the number of drive links in your chain. The drive link count is included in the saw chain part number, after the chain type designation example, 20BPX, H Oregon bars may take a different drive link count than that of another brand.

    Oregon understand that the need of woodcutters — professionals and novices — are as diverse as the terrains and environments in which they work. We have organized our saw chains and guide bars into product families with key characteristics that different users will value.

    These product families will ensure that you choose the right chain and bar based on your everyday needs. It will make understanding the differences between our products effortless. Learn More. Not all saw chain and guide bar mentioned on the packaging or in search results will fit every version of equipment listed. To make sure you are getting the correct part feel free to call our Customer Service team at When contact is made with an object such as a branch or a log, there is a danger of a sudden bar nose kickback reaction.

    Modern chain saws are equipped with a variety of devices intended to reduce the risk of injury from kickback or from other causes. Among these are the chain brake, the front left hand guard, the bar tip guard and low or reduced kickback saw chain and guide bars.

    To assure the protection afforded by these devices is maintained, it is important your chain saw is properly and fully assembled, and that all components are securely attached and functional.

    No matter how your saw is equipped, The Oregon Shop recommends that low-kickback chain be used on all saws unless you have experience and special training for dealing with kickback. Before using any chain saw, thoroughly read the manufacturer's operating and safety instructions. How to identify your SawChain Here at The Oregon Shop, we are all too aware of the confusion and complication in trying to identify a Chainsaw Chain if you have never done it before!!

    We hope the following guide will spread a bit of light on the parts that your Chainsaw Chain is made up from and how to understand and order Chainsaw Chain accurately! Right, we're nearly done with 'Pitch'! Now you understand what 'Pitch' is and how it is calculated I can help you by identifying the most common that we come across on a day to day basis. A fractional measurement is used where there is an accurate one i. Kickback may occur when the moving chain at the nose or tip of the guide bar touches an object, or when the wood closes in and pinches the saw chain in the cut.

    Tip or bar nose contact can, in some cases, cause a lightning-fast reverse reaction, kicking the guide bar up and back toward the operator. Pinching the cutting chain along the top of the guide bar may push the guide bar rapidly toward the operator.

    Either of these reactions may cause you to lose control of the saw, which could result in serious personal injury to yourself or to bystanders. What actually is the 'Pitch'? This is the most complicated one! The size of a Chainsaw Chain is defined as 'Pitch', this can be easily worked out but not without an accurate measuring tool like a Vernier Caliper of some sorts The 'Pitch' is defined simply as 'The distance between three rivets bearings divided by two'.

    The 'Pitch' is measured using a decimal imperial measurement. OK, I understand the 'Pitch' so what is the Gauge?Since chainsaws vary greatly in terms of both size and their intended application, chainsaw chains need to be just as diverse. This is why chainsaw chains come in a wide variety of size, style, and feature combinations. Why is it so important to know what these numbers mean? Purchasing the wrong chain for your tool means that it will either not fit onto your chainsaw at all or, even worse, that it will be too loose, causing it to work inefficiently or even fly off, injuring the user.

    Once you have the correct measurements, there are still other decisions that you have to make like choosing from a variety of features and styles designed for specific applications. Luckily, this step is much easier. The pitch of a chainsaw chain refers to the distance between its links. This number has nothing to do with the length of the chain or the number of links, instead it simply measures the space between the links.

    oregon chainsaw bar identification

    Most chainsaws will have this number stamped on the tool or mentioned in the user manual. These chains make narrow kerf cuts which remove a small amount of material at a time, allowing them to work well with less power. Compare this to the wider. Due to this design, chains with a. The gauge of your chain is simply how thick the drive links are.

    The gauge of your chain will be measured in inches and can be one of 4 sizes:. The most common size on the market is.

    oregon chainsaw bar identification

    We mentioned the drive links when discussing the gauge of a chain. But another important number that you need to determine is the number of drive links on your chain.

    While chainsaws are sold based on the length of their guide bar, the best way to ensure that you are purchasing the right replacement chain is go by the number of drive links needed.

    Some chainsaws will have this number printed on the tool or listed in the user manual. But if you are unsure, you can simple take the chain off and count the drive links yourself. Since the overall length of a chainsaw chain is determined by using a combination of pitch and the number of drive links, this is a very important step to take if you want to buy the right chain for your tool.

    Earlier in this article, we talked about the pitch of a chainsaw chain. Once you have this number, just divide it by 2. Besides the measurements of a chain, another thing you need to consider is the type of chain. There are several styles available but one of the most popular types of chainsaw chains on the market is the full chisel chain.

    A full chisel chain is built to deliver impressive, fast-cutting performance. These chains are designed with square cornered teeth which take big chunks out of soft and hardwood, making them aggressive when cutting. While full chisel chains are very popular, you need to keep in mind that, like any style, it has some advantages and disadvantages that you need to consider.

    The main advantage of a full chisel chains is that it cuts faster and more aggressively than any other option on the market.

    They have the sharpest teeth, allowing them to handle even the most demanding of cutting conditions with ease. Due to their design, there are also some disadvantages when it comes to using a full chisel chain.

    The main issue has to do with their teeth. While full chisel chains have the sharpest teeth available, they also dull faster than the rounded corners found on semi chisel chains. Due to this poor edge retention, full chisel chains are not suited for cutting dirty wood and are much more sensitive to dirt and hard objects like rocks.

    Also, since these chains cut faster and more aggressively, they also have a higher risk of kickback where a tooth binds in the wood, causing the tool to bounce back towards the user.If you buy a bar, chain and drive sprocket together then these will all be compatible with each other. The selector guides run off a database that in turn is based on standard information for new chainsaws. If your chainsaw is second hand or an older model, someone may have fitted a non standard bar, chain or drive sprocket.

    It is always worth looking at your existing equipment in order to understand the basics of bar, chain and sprocket identification. There are 3 fundamental measurements when talking about bars and chains — pitch, gauge and the number of drive links.

    Figure out what size chain you need without stampings on the bar - Chainsaw Chains 101

    A difficult idea to grasp. In the picture below, you can see the two chains share the same pitch but are different sizes. The drive links are the part of the chain that sit inside the bar.

    Chainsaw Guide Bar Saw Mount Chart

    They are not the actual chainsaw cutting teeth. The gauge is often written on the bar. It may be in inches or millimetres:. The gauge on both the bar and chain must match up. Too wide a chain gauge and the chain will not fit into the bar. Or it may fit into the bar but will need force to do so.

    Too narrow a chain gauge and the chain will be sloppy in the bar causing poor cutting and rapid bar wear. The basics There are 3 fundamental measurements when talking about bars and chains — pitch, gauge and the number of drive links.

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    A simpler way to look at it is pitch measures the size of the chain, it will be one of 5 measurements. Gauge This is the thickness of the drive links The drive links are the part of the chain that sit inside the bar.

    Back to top.We use cookies to measure our audience, enhance your browsing experience and provide you with advertising based on your browsing activities and interests on this and other sites.

    Click 'I Agree' if you accept the use of cookies. Click here to learn more or change your cookie settings. To learn more about our privacy practices, click here. We understand that the needs of woodcutters are as diverse as the terrains and environments in which they work. Perfect for homeowners or landscapers who need a reliable guide bar that is light-weight and maneuverable.

    The bar is also designed to reduce kickback. Designed for homeowners who need a light-duty bar for limbing and pruning.

    The bar offers users greater control, reduced kickback, and it is reversible. Looking for professional chainsaw guide bars? Oregon designs and manufactures our guide bars to be long-lasting, with superior strength and versatility.

    So you cut faster, easier and with more precision. A step-by-step guide to maintaining your bar. Find a full selection of saw chain specifically made to fit your chainsaw. Our goal is to help you get the job done right with outstanding products that perform to your full satisfaction.

    oregon chainsaw bar identification

    Oregon warrants its products to be free from defects in materials and workmanship for as long as it is owned by the original purchaser. Green labeled saw chain complies with low kickback performance requirements. Yellow labeled saw chain does not comply with low kickback performance requirements. Cookies We use cookies to measure our audience, enhance your browsing experience and provide you with advertising based on your browsing activities and interests on this and other sites.

    I Agree. Guide Bars We understand that the needs of woodcutters are as diverse as the terrains and environments in which they work.

    See more. Product Support.If your saw is not listed and you need help to identify your chain please use the following guide.

    Each chain should have a manufacturers number stamped into the drive tooth. This can be seen in the image below where the number 21 is stamped. We supply Oregon chains so if your chain is a different make please refer to our conversion chart below for the equivalent Oregon number.

    Once you have identified the number of the chain the next thing you need is the number of links. To do this simply count the number of drive teeth circled in the picture below. This is now all you need to order the correct chain. Click on the chain number below to take you to the correct chain page and then enter your link count using the drop down. Chain gauge is the drive link's thickness where it fits into the guide-bar groove. The gauge of the chain and the gauge of the guide bar must match.

    This is best measured using a vernier caliper. Chain pitch is the distance between any three consecutive rivets divided by two.

    oregon chainsaw bar identification

    Pitch defines the size of the chain. To accurately measure this lay your chain out and using a rule, take the distance over 3 rivets in inches and divide this by 2. Once you have identified the pitch and guage the next thing you need is the number of links.

    Once you have this information use the chart below to identify your chain type and follow the link to the chain page. From there use the drop down to select your link count. We have put together a short video showing how to put these steps into practice.

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    If you need further assistance please feel free to contact us and we will do our best to help you. My Account Your basket is empty Again this will usually be written on the bar, but you can always count the number of drive links on an existing chain.

    Remember these are not the cutting teeth of the chain they are the parts of the chain that sit inside the bar. The number of drive links needs to be correct or you will either not be able to fit the chain too fewor you will not be able to tension the chain too many. Bars are the best place to determine what size chain you are running. Have a look on the bar for numbers that would help indicate pitch, gauge and drive link count. Some bars are much clearer than others!

    Usually this is. Finally the drive link count is difficult to make out — 50 drive links. In this case, double checking manually would be sensible.

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    Tucked in behind the saw dogs, this tells us the pitch is. Harder to identify but still rewarding. You can also count the number of drive links. Also look for numbers and letters on the chain itself. Click here for our chain ID chart to help you find out what these numbers mean. Chain ID example 1 The chain tells us it is made by Stihl. The chain tells us it is an Oregon chain. Again we have an Oregon chain. Click here for our chain ID chart.

    Number of drive links Again this will usually be written on the bar, but you can always count the number of drive links on an existing chain.

    Identifying the chain from information on the bar Bars are the best place to determine what size chain you are running. Bar ID Example 3 Tucked in behind the saw dogs, this tells us the pitch is. Identifying chain from the chain Harder to identify but still rewarding. Chain ID example 2 The chain tells us it is an Oregon chain. Chain ID example 3 Again we have an Oregon chain. Back to top.


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