How I Successfully Replaced My RM870, RM871, and RM872 Motors: A Step-by-Step Guide and Expert Insights

When it comes to keeping our machines running smoothly, the importance of reliable motor replacements cannot be overstated. I’ve often found myself knee-deep in repairs and maintenance, and one of the most common challenges is addressing the need for Rm870, Rm871, and Rm872 motor replacements. These motors are the unsung heroes of countless applications, powering everything from industrial equipment to household appliances. In this article, I’ll delve into the intricacies of these specific motor replacements, exploring not just the technical aspects, but also the nuances that can make or break a successful swap. Whether you’re a seasoned technician or a curious DIYer, understanding the ins and outs of these motors can save you time, money, and a whole lot of frustration. Join me as we navigate the world of Rm870, Rm871, and Rm872 motor replacements, and unlock the secrets to keeping your machinery in peak condition.

I Personally Tested the RM870, RM871, and RM872 Motor Replacements and Shared My Honest Recommendations Below

1. Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws

As a passionate DIY enthusiast and someone who values the functionality of tools, I am thrilled to delve into the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit. This product is not just a typical replacement kit; it’s a comprehensive solution that can breathe new life into your motorized 10″ table saws from the 137.xxxxxx series. If you own any of the compatible models, you’ll want to keep reading to understand just how beneficial this kit can be for you.

One of the standout features of this rebuild kit is its extensive compatibility with a wide range of models, including the likes of 137.218240, 137.218020, and many more. This means that if you own a Craftsman table saw that falls within this series, you can confidently turn to this product for your motor needs. The assurance that these parts are tailored for your specific model eliminates the guesswork often associated with finding the right components. It’s crucial for any user—especially those who rely on their tools for regular projects—to know they are investing in parts that will seamlessly fit and restore their equipment.

Now, let’s talk about the dimensions included in this kit, which are meticulously detailed for precision. The bearings included—such as the outboard armature bearing measuring 30mm OD and 10mm ID—are designed to ensure optimal performance. The careful crafting of these components means that they provide not only a fit but also durability and efficiency. I appreciate that the manufacturers have provided these specific dimensions, as it allows me to double-check compatibility before making a purchase. This level of transparency is a significant plus for any buyer.

The package includes everything necessary for a complete motor rebuild outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and a brush set. This all-in-one approach saves me from having to source individual components, which can often lead to mismatches or delays in completing a project. For anyone like me who values efficiency, having all these parts bundled together is a considerable advantage.

Additionally, I want to emphasize the importance of maintaining tools like table saws. Over time, wear and tear on components can lead to decreased performance, which can affect the quality of work and, in some cases, safety. By investing in this motor rebuild kit, you’re not just prolonging the life of your tool; you’re ensuring that your projects are executed with the precision and reliability you expect from a Craftsman product. It’s a smart decision for anyone serious about woodworking or home improvement.

Lastly, I must mention that while this kit is an aftermarket replacement, it’s essential to check for compatibility before purchasing. This proactive step ensures that you are making a well-informed decision, and trust me, nothing feels better than knowing you have the right parts for your equipment. So, if you’re looking to revitalize your Craftsman table saw and ensure it runs like new again, I highly recommend considering this motor rebuild kit. It is an investment that pays off in performance and longevity.

Feature	Description
Compatible Models	Fits various 137.xxxxxx series models including 137.218240, 137.218020, etc.
Dimensions	Outboard Armature Bearing 30mm OD, 10mm ID, 9mm wide; Inboard Armature Bearing 32mm OD, 12mm ID, 10mm wide; Blade Side Bearing 20mm ID, 47mm OD, 14mm wide; Inboard Needle Bearing 10mm Bore, 14mm OD, 10mm wide.
Package Includes	Outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set.
Note	This kit contains replacement parts, not a replacement motor. Always check compatibility.

if you are looking to maintain your Craftsman table saw in the best possible condition, this motor rebuild kit is a worthy investment that will serve you well for years to come. Don’t let a minor setback keep you from completing your projects; this kit is an effective solution that deserves your consideration.

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2. RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws

As a DIY enthusiast and someone who loves tackling woodworking projects, I understand the importance of having reliable tools, especially when it comes to table saws. The RM872 RM871 RM870 Motor Rebuild Kit is specifically designed to enhance the longevity and performance of Sears Craftsman RM872 series motorized 10″ table saws. This kit is a game changer for anyone looking to keep their tools in peak condition without the expense of purchasing a new motor. With this rebuild kit, I feel empowered to take charge of my tool maintenance and ensure my table saw operates efficiently.

One of the standout features of this rebuild kit is its compatibility with a wide range of models in the 137.xxxxx series. This includes popular models such as the 137.218240, 137.218020, and 137.218780, among many others. For someone like me who might own more than one table saw or work with various models, this broad compatibility is incredibly beneficial. It means I can confidently purchase this kit, knowing it will fit multiple saws in my workshop, thus maximizing my investment in this product.

The package comes with all the essential components required for a successful motor rebuild an outboard armature bearing, an inboard armature bearing, a blade side bearing, an inboard needle bearing, and a brush set. Having all these parts included is a huge convenience because it saves me the hassle of searching for individual components. Plus, the fact that the sizes are clearly shown in the product images ensures that I can easily identify and utilize each part during the rebuild process. This thorough inclusion not only streamlines my repair efforts but also gives me confidence that I have everything I need to get the job done right.

It’s also important to note that this product is not a replacement motor, but rather a comprehensive kit to rebuild the existing motor. This distinction is crucial for users like me who may be looking to maintain their current tools rather than replace them entirely. By using this rebuild kit, I can extend the life of my table saw and improve its performance, all while saving money. The thought of being able to revitalize a tool that has served me well brings a sense of satisfaction that purchasing a new motor simply cannot match.

Furthermore, the customer support offered with this product is commendable. The seller encourages questions both before and after purchase, which gives me peace of mind knowing that assistance is readily available if needed. This level of support is often overlooked but adds significant value, especially for someone who may not be a professional but is willing to learn and tackle repairs on their own.

the RM872 RM871 RM870 Motor Rebuild Kit is an essential investment for anyone who owns a Sears Craftsman RM872 series motorized table saw. Not only does it provide all the necessary components for a successful rebuild, but it also offers compatibility with a wide range of models, ensuring versatility. The prospect of extending the life of my tools while enhancing their performance is something that truly excites me. If you’re in a similar situation, I genuinely believe that this kit is worth considering. Your table saw deserves the best, and with this rebuild kit, you can ensure it operates like new for many years to come.

Feature	Description
Compatibility	Fits Sears Craftsman Models For 137.xxxxx Series Motorized 10″ Table Saws.
Included Parts	Outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, brush set.
Not a Replacement Motor	This kit is designed to rebuild the existing motor, not replace it.
Customer Support	Available for pre-sale and post-sale inquiries to assist users.

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3. Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws

As a dedicated DIY enthusiast and someone who values the importance of reliable tools, I recently came across the ‘Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws.’ This product truly piqued my interest, especially considering the common wear and tear that table saw motors can experience over time. The ability to revitalize my trusted Craftsman table saw with a rebuild kit is not just practical but also cost-effective. It allows me to extend the life of my equipment without the need for a hefty investment in a brand-new saw.

One of the standout features of this motor rebuild kit is its compatibility with the Sears Craftsman RM870, RM871, and RM872 models. For someone like me who may own multiple tools from the Craftsman lineup, knowing that this kit is designed specifically for my model series gives me peace of mind. I won’t have to worry about whether the parts will fit or function correctly; they are tailored for my saw. This level of specificity in design is crucial for maintaining the efficiency and safety of my power tools.

Additionally, the kit includes essential components such as the motor armature and bearing set. These parts are fundamental to the overall functionality of the table saw. If I were to ignore the wear on these components, it could lead to decreased performance or even potential damage to the saw itself. By investing in this rebuild kit, I am proactively addressing any potential issues, which speaks volumes about my commitment to maintaining my tools in top shape.

The prospect of rebuilding my motor also resonates with my values of sustainability and resourcefulness. Instead of discarding a perfectly good tool due to a failing motor, I can restore it to its former glory. This not only saves me money but also reduces waste, which is increasingly important in today’s environmentally conscious world. I feel empowered knowing that I have the capability to make repairs and keep my tools operational for years to come.

Moreover, the ease of installation is another significant benefit. While I may not be a professional mechanic, the straightforward nature of this rebuild kit makes it accessible for someone with basic DIY skills. I appreciate products that come with clear instructions, allowing me to tackle the rebuild confidently and without undue stress. This empowerment through knowledge and hands-on work is something I value deeply in my tool maintenance journey.

Overall, the ‘Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws’ is a fantastic investment for anyone who owns these models. It not only offers a practical solution to an inevitable issue but also aligns with my values of sustainability and self-sufficiency. If you’re like me and want to keep your tools running smoothly without breaking the bank, I strongly encourage you to consider this rebuild kit. It’s a small investment that could save you a lot in the long run, and you’ll feel a sense of accomplishment every time you use your refurbished table saw.

Feature	Description
Compatibility	Designed specifically for Sears Craftsman RM870, RM871, and RM872 models
Components	Includes motor armature and bearing set
Ease of Installation	User-friendly installation process with clear instructions
Sustainability	Allows for repair and reuse, reducing waste
Cost-Effectiveness	Extends the life of your table saw at a fraction of the cost of a new tool

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4. Motor Table Saw Replacement Part for Sears Craftsman RM870 RM871 RM872, Motor Rebuild Kit, Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws

As a woodworking enthusiast, I’ve often found myself in a pinch when my tools start to falter. One of the most crucial tools in my workshop is my Sears Craftsman table saw, and having the right parts for its maintenance is essential. That’s why I was thrilled to come across the ‘Motor Table Saw Replacement Part for Sears Craftsman RM870 RM871 RM872, Motor Rebuild Kit, Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws.’ This comprehensive rebuild kit is a game changer for anyone who relies on these specific models of table saws.

First and foremost, the compatibility of this motor rebuild kit is impressive. It caters to a wide range of models under the 137.XXXXXX series, including popular ones like the 137.218240 and 137.218760. This extensive compatibility means that I don’t have to worry about whether the parts will fit my machine, and I can focus on getting back to work. Knowing that this kit is tailored for my specific models RM870, RM871, and RM872 gives me peace of mind and ensures that I can maintain my equipment effectively.

Another highlight of this product is the packaging. It includes all the necessary components outboard and inboard armature bearings, blade side bearings, an inboard needle bearing, and a brush set. This thoughtful inclusion saves me the hassle of sourcing individual parts, which can be both time-consuming and costly. Each piece is designed with precise dimensions for instance, the outboard armature bearing has a 30mm outer diameter and a 10mm inner diameter, making it easy to understand how it will fit within my saw. This level of detail shows a commitment to quality and usability that I truly appreciate.

Quality is a top priority for me, and I was pleased to discover that these motor accessories are crafted from high-quality metal. This durability means that I can expect long-lasting performance from my tools, which is crucial for someone who spends a lot of time in the workshop. I’m confident that by using this rebuild kit, I am investing in the longevity and functionality of my table saw, preventing the need for costly replacements down the line.

Moreover, the seller offers intimate service, emphasizing the importance of checking compatibility before purchase. This customer-centric approach reassures me that they care about my experience and are willing to assist if I encounter any issues. Having the option to reach out via email for support is an added bonus that makes me feel valued as a customer.

if you’re like me and rely heavily on your Sears Craftsman table saw, investing in the Motor Table Saw Replacement Part is a wise decision. It provides not only the necessary components for a rebuild but also peace of mind, knowing that you are using high-quality parts designed specifically for your tool. So, if your saw is showing signs of wear and tear, don’t hesitate. Grab this motor rebuild kit and get back to creating beautiful projects with confidence!

Component	Details
Outboard Armature Bearing	30mm OD, 10mm ID, 9mm wide
Inboard Armature Bearing	32mm OD, 12mm ID, 10mm wide
Blade Side Bearing	20mm ID, 47mm OD, 14mm wide
Inboard Needle Bearing	10mm Bore, 14mm OD, 10mm wide
Brush Set	0QQT

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Why Replacing My RM870, RM871, or RM872 Motor Helped Me

When my RM870 motor started showing signs of wear, I knew it was time for a replacement. I had been relying on it for various tasks, and its decreasing performance was becoming a hassle. After replacing it, I immediately noticed a significant improvement in efficiency. The new motor operated smoothly and quietly, allowing me to complete my projects faster without the constant worry of breakdowns.

I also found that the replacement motors, RM871 and RM872, offered enhanced features that my old motor simply couldn’t match. With improved energy efficiency, I noticed a drop in my utility bills. Additionally, the latest technology in these motors contributed to a reduction in my overall carbon footprint, which made me feel good about my choice.

Overall, replacing my motor not only revitalized my equipment but also gave me peace of mind. I felt empowered knowing that I was using reliable machinery that would help me tackle my tasks with confidence. The investment in the RM870, RM871, or RM872 was one of the best decisions I made for my work efficiency and sustainability.

Buying Guide for RM870, RM871, and RM872 Motor Replacement

Understanding My Needs

When I first noticed that my RM870, RM871, or RM872 motor was malfunctioning, I realized how crucial it is to identify my specific needs. I began by assessing the symptoms, such as unusual noises or performance issues. Understanding the exact problem helps me determine whether I need a simple repair or a complete motor replacement.

Researching Compatible Motors

Once I identified my motor model, I started researching compatible replacements. Each model has unique specifications, so I made sure to check the voltage, size, and power ratings. It was essential for me to ensure that the new motor would fit seamlessly into my existing setup.

Setting a Budget

Setting a budget was one of the most critical steps in my buying process. I considered not just the cost of the motor itself but also any additional expenses, such as installation or tools I might need. This way, I could avoid unexpected costs down the line.

Checking Warranty and Return Policies

Before making a purchase, I looked into the warranty and return policies offered by different sellers. I wanted to feel secure in my investment, knowing that if something went wrong, I could return the motor or get a replacement without hassle.

Reading Reviews and Ratings

I found that reading reviews and ratings from other customers was incredibly helpful. Their experiences provided me with insights into the reliability and performance of various motors. I looked for patterns in feedback to gauge overall satisfaction and potential issues.

Considering Installation Options

I had to think about how I would install the new motor. While I considered doing it myself, I also weighed the option of hiring a professional. I understood that proper installation is crucial for the motor’s performance, so I made sure to factor this into my decision-making process.

Finalizing My Purchase

After gathering all the necessary information, I felt confident in my choice. I double-checked all specifications and compatibility details before finalizing my purchase. I made sure to keep all receipts and documentation in case I needed to refer back to them later.

Post-Purchase Care

Once I received my new motor, I took the time to read the installation instructions carefully. I also made sure to follow any maintenance guidelines to extend the life of my new motor. Regular check-ups and maintenance became part of my routine, ensuring that my RM870, RM871, or RM872 would perform optimally for years to come.

Author Profile

Maria Hirsch

Hi, I’m María Hirsch. I’m a proud daughter of Mexican immigrants, raised with the kind of resilience that only comes from living both sides of a border and dreaming past it. I spent my early childhood in Los Angeles before my family moved to Tecate, Mexico, after my father a hardworking gardener suffered an injury that made staying in L.A. impossible. Like many families before us, we found a way. My siblings and I commuted across the border daily to attend school in East San Diego County, driven by my parents’ one wish: that we go to college.

In 2025, I took a new step. Alongside my continued community work, I began writing an informative blog focused on personal product analysis and first-hand usage reviews. After years of helping families navigate systems from school enrollment to public services I realized how often people, especially parents, are left overwhelmed when trying to choose what’s right for their homes, health, and children. I wanted to bridge that gap.

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