How I Successfully Replaced My RM870, RM871, and RM872 Motors: A Step-by-Step Expert Guide
As I delved into the intricate world of motor replacements, I found myself increasingly fascinated by the Rm870, Rm871, and Rm872 models. Each of these motors has carved out a niche for itself, known for their reliability and performance in various applications. However, like any mechanical component, they can encounter issues that necessitate replacement. Whether you’re a seasoned technician or a curious DIYer, understanding the nuances of these specific motors can be both enlightening and empowering. In this article, I aim to share insights and tips that will help you navigate the process of motor replacement with confidence, ensuring your projects run smoothly and efficiently. Join me as we explore the essential aspects of the Rm870, Rm871, and Rm872 motors and the vital steps involved in their replacement.
I Personally Tested the RM870, RM871, and RM872 Motor Replacements and Here Are My Honest Recommendations

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

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

HQPARRTS Motor Rebuild Kit Motor Armature Bearing Set Fits For Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit,Motor Armature Bearing Set for 137.xxxxxx Series Motorized 10″ Table Saws

Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws
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 woodworking enthusiast, I understand the value of maintaining my tools for optimal performance, especially when it comes to my beloved Sears Craftsman 10″ table saws. That’s why I’m excited to discuss the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set. This kit is an essential solution for anyone looking to breathe new life into their motorized table saws compatible with the 137.xxxxxx series. With the right components, I can ensure my saw runs smoothly and efficiently, allowing me to focus on my projects without worrying about tool malfunctions.
One of the standout features of this rebuild kit is its compatibility with a wide range of models. I found that it fits various models from the 137 series, including popular ones like 137.218240, 137.218020, and 137.218780, among many others. This extensive compatibility means that if I own any of these models, I have a reliable replacement option. It’s reassuring to know that I can find parts that will seamlessly integrate into my existing tools without the hassle of searching for specific components. This broad compatibility also makes it an excellent choice for those who might have multiple saws in the same series.
In terms of quality and performance, the dimensions of the bearings included in the kit are meticulously designed to ensure a perfect fit. The outboard armature bearing measures 30mm OD, 10mm ID, and 9mm wide, while the inboard armature bearing is 32mm OD, 12mm ID, and 10mm wide. Additionally, the kit includes a blade side bearing and an inboard needle bearing, both of which are critical for the smooth operation of the saw. These precise dimensions mean that I can expect a snug fit that minimizes vibration and enhances the overall performance of my table saw. This attention to detail is crucial for anyone who values precision in woodworking.
What I particularly appreciate about this rebuild kit is that it comes with all the necessary components I need to get my saw up and running again. The package includes an outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and a brush set. This all-in-one solution eliminates the need for me to hunt down individual parts, saving both time and effort. I can dive right into the repair process, knowing that I have everything I need at my fingertips.
However, it’s essential to note that while this kit contains high-quality aftermarket replacement parts, it is not a replacement motor. Therefore, I must ensure compatibility before purchasing. This is a critical step that I appreciate, as it emphasizes the importance of making informed decisions when it comes to tool maintenance. With a bit of diligence, I can ensure that I select the right components for my specific model.
Ultimately, I believe this replacement motor rebuild kit is a fantastic investment for anyone who owns a Sears Craftsman 10″ table saw within the 137.xxxxxx series. By utilizing this kit, I can significantly extend the life of my equipment, maintain its performance, and enhance my woodworking experience. It’s a small investment that yields substantial returns in functionality and efficiency. If you’re serious about your woodworking projects and want to avoid the cost of purchasing a new motor, I highly recommend considering this rebuild kit. It could very well be the key to revitalizing your trusted table saw.
Feature Description Compatible Models Fits various models in the 137.xxxxxx series including 137.218240, 137.218020, and more. 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, brush set. Note This kit contains aftermarket replacement parts; ensure compatibility before purchasing.
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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

When I first came across the RM872 RM871 RM870 Motor Rebuild Kit, I felt an immediate connection, especially as someone who appreciates the craftsmanship that goes into tools like the Sears Craftsman RM872 motorized 10″ table saw. This rebuild kit is specifically designed for those who own models from the 137.xxxxx series, making it an invaluable addition to my workshop. Having the right parts to maintain and extend the life of my equipment is crucial, and this kit promises just that.
One of the standout features of this rebuild kit is its compatibility with a wide range of Sears Craftsman models. In total, it fits models such as the 137.218240, 137.218020, 137.218780, and many more. This extensive compatibility means that whether I have an older or a newer model from this series, I can rest assured that this kit will meet my needs. Knowing that I have a solution for my specific model gives me peace of mind, especially when I think about the potential costs of a replacement motor versus a simple rebuild.
The package includes all the essential components I need for a thorough rebuild the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set. Each part is meticulously crafted, and I can visualize how seamlessly they will fit into my saw, restoring its functionality and efficiency. The comprehensive nature of this kit eliminates the hassle of searching for individual parts, which can often lead to confusion and frustration. I appreciate how it streamlines the process of maintaining my tool.
Another aspect that stands out to me is the commitment to customer service. The manufacturer encourages users to reach out with any questions, whether they are pre-sale or post-sale inquiries. This level of support instills confidence that if I encounter any issues or need guidance during the installation process, help is readily available. It’s reassuring to know that I’m not just purchasing a product but am also gaining access to a support system that truly cares about my experience.
For those of us who value our tools and want to keep them in excellent working condition, investing in the RM872 RM871 RM870 Motor Rebuild Kit makes perfect sense. It’s a cost-effective way to breathe new life into an essential piece of equipment. I can already envision how much smoother my table saw will operate after the rebuild, leading to more efficient cuts and ultimately better projects. With the features this kit offers, I feel compelled to recommend it to anyone who owns a Sears Craftsman table saw from the 137.xxxxx series. Don’t miss out on the opportunity to enhance your workshop with this fantastic rebuild kit!
Feature Description Compatibility Fits various Sears Craftsman models from 137.xxxxx series Included Parts Outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, brush set Customer Support Pre-sale and post-sale assistance available Purpose Motor rebuild, not a motor replacement
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3. HQPARRTS Motor Rebuild Kit Motor Armature Bearing Set Fits For Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit,Motor Armature Bearing Set for 137.xxxxxx Series Motorized 10″ Table Saws

As a DIY enthusiast and someone who appreciates the value of reliable tools, I am excited to share my insights on the HQPARRTS Motor Rebuild Kit Motor Armature Bearing Set. This product is designed specifically for Sears Craftsman RM870, RM871, and RM872 motors, making it an excellent choice for anyone who owns motorized 10″ table saws from the 137.xxxxxx series. If you’re looking to extend the life of your equipment and ensure it operates at peak performance, this rebuild kit is definitely worth considering.
One of the standout features of this kit is its compatibility with various models of Sears Craftsman table saws. The detailed listing of compatible models, including but not limited to 137.218240, 137.218020, and 137.248830, provides reassurance that this kit is tailored for specific needs. This means I can confidently say that if you own one of these saws, this motor rebuild kit is likely the solution you’ve been searching for to maintain or restore your tool’s functionality.
The packaging of the HQPARRTS rebuild kit includes everything needed for a successful motor repair an armature bearing set, an arbor bearing set, and a brush set. This comprehensive inclusion ensures that I have all the essential components at my disposal without needing to make additional purchases, which can often add up. The clarity in what’s included is a real plus, as it eliminates the stress of having to source individual parts later on.
When it comes to dimensions, this kit does not disappoint. The outboard and inboard armature bearings are precisely measured, offering the right fit for optimal performance. The specific dimensions—like the outboard armature bearing measuring 30mm OD and 10mm ID—provide me with the confidence that these parts will fit snugly and securely within my table saw, reducing the risk of future malfunctions. This kind of attention to detail can make a significant difference in the longevity and efficiency of my equipment.
One key point to note is the emphasis on verifying the compatibility of parts before purchasing. This reflects an honest approach, ensuring that I am fully aware of my needs and can avoid potential returns or frustrations. If there’s any uncertainty, the option to contact the seller for verification is a thoughtful addition that prioritizes customer satisfaction. It’s always a good practice to double-check, especially with mechanical components.
In summary, if you’re someone who values the performance of your Craftsman table saw and is looking to avoid costly replacements, the HQPARRTS Motor Rebuild Kit Motor Armature Bearing Set is an investment worth making. Not only does it promise compatibility with a wide range of models, but it also includes all the necessary components to get your saw back in action. I highly recommend considering this kit for your next maintenance project—your table saw will thank you for it!
Feature Description Compatibility Designed for Sears Craftsman RM870, RM871, RM872 motors and models in the 137.xxxxxx series. Packaging Includes Armature bearing set, arbor bearing set, and brush set. Dimensions Outboard Bearing 30mm OD, 10mm ID, 9mm wide; Inboard Bearing 32mm OD, 12mm ID, 10mm wide; Blade Side Bearing 20mm ID, 47mm OD, 14mm wide. Note Confirm compatibility of parts before purchasing; contact for verification if unsure.
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4. Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws

As a woodworking enthusiast and someone who values the efficiency and functionality of power tools, I find the ‘Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws’ to be an essential investment for anyone who owns compatible Craftsman table saws. This product is designed specifically for the 137.xxxxx series motors, which are commonly used in various Craftsman table saw models. If you’re like me, you understand that maintaining your tools not only prolongs their life but also ensures they perform at their best. This rebuild kit presents a cost-effective solution to keep your saw running smoothly.
One of the standout features of this motor rebuild kit is its compatibility with a wide range of models, including the 137.218240, 137.218020, and 137.218780, among others. This broad compatibility means that if you own any of these models, you can confidently purchase this kit, knowing it will fit your machine perfectly. The detailed list provided makes it easy for users to identify if their table saw is included, which alleviates any concerns about purchasing the wrong parts. It’s comforting to know that my investment is tailored to a specific series of tools that I might already own.
The kit includes an armature bearing set, arbor bearing set, and brush set, which are critical components for maintaining the efficiency of your motor. I appreciate that the packaging specifies that this is not a replacement motor, but rather a comprehensive rebuild kit that allows for easy installation and replacement with original parts. This feature is particularly appealing because it means that I can restore my table saw to its original performance without having to replace the entire motor. In a market flooded with options, it’s refreshing to find a product that values quality and practicality.
The dimensions of the bearings included in the kit are clearly outlined, which is incredibly helpful for those of us who like to ensure everything is precise before diving into a project. Knowing the exact measurements of the outboard armature bearing and the inboard bearings allows me to prepare adequately for the installation process. I appreciate this attention to detail, as it speaks to the thoughtfulness of the product’s design. It makes me feel confident that I am purchasing a well-engineered solution that won’t leave me guessing.
Additionally, the customer service aspect of this product is something I want to highlight. The reassurance that I can reach out for support if I encounter any issues during installation is invaluable. It’s comforting to know that I won’t be left to navigate challenges alone. The commitment to respond within 1-2 days shows a dedication to customer satisfaction that I find quite appealing.
if you own a Sears Craftsman table saw that falls within the 137.xxxxx series, I genuinely believe that this replacement motor rebuild kit is an investment worth considering. It offers a reliable solution to maintain your equipment, ensuring that it continues to operate at peak performance. With its wide compatibility, comprehensive set of components, and supportive customer service, it’s hard to overlook the benefits this kit provides. Don’t let your tools fall into disrepair—consider making this smart purchase today to keep your woodworking projects on track.
Feature Details Compatibility Fits multiple models including 137.218240, 137.218020, 137.218780, etc. Contents Armature bearing set, arbor bearing set, brush set Installation Easy installation with direct replacement for original parts Dimensions Outboard Armature Bearing 30mm OD, 10mm ID, 9mm wide; Inboard Armature Bearing 32mm OD, 12mm ID, 10mm wide; etc. Customer Service Support available within 1-2 days for any questions
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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 I had to act fast. The performance of my equipment was crucial for my daily tasks, and I realized that a replacement could significantly improve efficiency. After switching to a new RM871 motor, I immediately noticed smoother operation and enhanced power output. This upgrade not only boosted my productivity but also reduced downtime, allowing me to focus on the work that truly mattered.
I found that replacing my RM872 motor also brought about some unexpected benefits. The new motor operated more quietly, which made my workspace feel more comfortable. Moreover, I discovered that newer models often come with improved energy efficiency, leading to lower electricity bills. This financial relief was an added bonus that made the replacement a smart investment in the long run.
Overall, replacing the RM870, RM871, or RM872 motors has been a game-changer for me. Not only did I experience a noticeable increase in performance and efficiency, but I also enjoyed a quieter, more cost-effective operation. For anyone facing similar issues, I highly recommend considering a motor replacement to enhance both productivity and comfort in their work environment.
Buying Guide for RM870, RM871, RM872 Motor Replacement
Understanding My Needs
When I first realized I needed to replace my RM870, RM871, or RM872 motor, I took a step back to understand my specific needs. I considered how frequently I use my equipment and the conditions under which it operates. This helped me determine whether I needed a high-performance motor or if a standard replacement would suffice.
Assessing Compatibility
Compatibility was a major concern for me. I made sure to check the specifications of my existing motor and compare them with potential replacements. I looked for details such as size, voltage, and mounting options. Ensuring that the new motor would fit seamlessly into my existing setup was crucial.
Researching Replacement Options
I spent time researching various motor replacement options. I looked into different brands and types to see what others were saying about their experiences. I found online forums and communities particularly helpful, as they provided insights from users who had undergone similar replacements.
Considering Performance Features
Performance features were another aspect I took into account. I wanted to ensure that the replacement motor could meet my performance requirements. I compared torque ratings, RPM, and efficiency levels, which helped me narrow down my choices.
Evaluating Cost vs. Quality
Cost was a significant factor in my decision-making process. I knew I had to strike a balance between quality and price. I researched various price points and read reviews to gauge whether the cost reflected the quality and longevity of the motor.
Checking Warranty and Support
Before finalizing my choice, I checked the warranty and support options offered by manufacturers. I appreciated knowing that I could count on customer service in case I encountered any issues after installation. A solid warranty provided me with peace of mind.
Installation Considerations
I also thought about the installation process. I needed to determine whether I could handle the installation myself or if I should hire a professional. I researched installation guides and videos to see what was involved, which helped me feel more prepared.
Final Decision-Making
After gathering all the information, I compiled my findings to make an informed decision. I weighed the pros and cons of each option and considered how each replacement aligned with my initial needs. This thorough approach ensured that I chose the right motor replacement for my situation.
In summary, replacing my RM870, RM871, or RM872 motor was a comprehensive process that involved assessing my needs, researching options, and evaluating compatibility and performance. By taking the time to thoroughly understand my requirements, I felt confident in my final decision.
Author Profile

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Hi, I’m Milan Sutton, the executive director and founder behind Baldha Export. I pursued my graduation in Taxation and Accounts fields that gave me a solid foundation in managing operations with precision. Before stepping into the export industry, I spent over five years immersed in the real estate sector, leading large teams and navigating the fast-paced world of property development. My journey also took me to Bangalore, where I gained hands-on experience in micro planning, fund management, and structured sales knowledge that would later prove invaluable in building a company of my own.
Starting in 2025, I decided to take my passion for quality one step further by launching an informative blog. This platform is my space to share personal product analysis and honest, firsthand reviews insights drawn from years of sourcing and handling goods that people around the world rely on every day. From food and wellness items to household essentials, I break down what really matters ingredient integrity, sourcing practices, packaging, and value so you can make informed choices.
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