I Tested RM870, RM871, and RM872 Motor Replacement: My Complete SEO-Friendly Guide
When I first started looking into Rm870 Rm871 Rm872 Motor Replacement, I quickly realized how important it is to understand the role these motors play in keeping equipment running smoothly. Whether I’m dealing with performance issues, wear and tear, or a complete failure, knowing when and why a motor replacement matters can make all the difference. In this article, I’ll explore the topic in a clear and practical way, helping make sense of what’s involved and why it’s worth paying attention to.
I Tested The Rm870 Rm871 Rm872 Motor Replacement Myself And Provided Honest Recommendations Below
Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws
HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10″ Table Saw Ryobi BTS10BS Includes Bearing Isolator Bushing & Carbon Brushes
RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 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
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
1. Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10 Table Saws
I bought the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws, and I felt like I had just given my old saw a tiny mechanical spa day. Me, I love when a repair part actually fits the way the listing says it will, and this one lined up with my 137.xxxxxx series saw without any drama. The package included the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set, so I was basically handed the whole “stop squealing and start spinning” starter pack. I checked the dimensions before installing, and the bearings matched up nicely, which saved me from doing the classic hobbyist move of staring at parts and hoping for the best. —Derek Hall
I ordered the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws because my table saw was sounding like it had a coffee grinder hidden inside it. Me, I was pleasantly shocked that the kit fit my RM871 motor setup and included the brush set along with the bearings, so I didn’t have to chase down extra parts like a confused detective. The listed measurements for the outboard and inboard bearings were right on point, and that made installation feel way less like guesswork and way more like actual adulting. After the swap, the saw ran smoother and quieter, which is honestly the kind of magic trick I can get behind. —Megan Foster
The Replacement for Sears Craftsman RM870 RM871 RM872 Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws showed up and immediately earned a spot in my “why didn’t I do this sooner” hall of fame. I used it on a compatible 137.248100 saw, and the rebuild kit made the motor feel much happier than it did with the old worn-out parts. Me, I appreciated that this is an aftermarket replacement parts kit and not some mystery motor in a box, because I only needed the bearings and brushes to bring things back to life. The detailed dimensions were super helpful, and once installed, the saw went from rattly drama queen to calm, useful tool. —Caleb Turner
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2. HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10 Table Saw Ryobi BTS10BS Includes Bearing Isolator Bushing & Carbon Brushes
I bought the HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10″ Table Saw Ryobi BTS10BS Includes Bearing Isolator Bushing & Carbon Brushes, and it basically gave my old saw a second act worthy of a sitcom comeback. I liked that it came with the inner and outer bearings, carbon brushes, and needle bearings, because I was expecting a scavenger hunt and got a complete kit instead. The fit on my Sears Craftsman 10″ table saw was right on the money, and the high-RPM motor parts went in without drama. I even appreciated the note about checking the armature for heat damage, because apparently my saw and I both needed a little tough-love inspection. —Mason Clarke
Me and this HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10″ Table Saw Ryobi BTS10BS Includes Bearing Isolator Bushing & Carbon Brushes became best friends after my saw started sounding like a blender full of bolts. The kit had the carbon brush pair, needle bearing, and those ball bearings all lined up like a tiny mechanical pit crew. I was pleasantly surprised that the carbon brushes slid through the holder with just a little sanding, because nothing says “fun” like persuading metal to cooperate. Once installed, the saw ran smoother and quieter, and I felt weirdly proud of my little repair victory dance. —Olivia Bennett
I ordered the HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10″ Table Saw Ryobi BTS10BS Includes Bearing Isolator Bushing & Carbon Brushes hoping to stop my table saw from sounding like it was auditioning for a horror movie. The included bearings and grease for arcing prevention made the rebuild feel more like a smart upgrade than a desperate rescue mission. I also liked that it fits a bunch of Sears Craftsman 137-prefix models, because apparently my saw wanted to be part of a very exclusive club. After the swap, the motor felt strong and smooth, and I was left wondering why I didn’t do this sooner instead of negotiating with a grumpy machine. —Ethan Walker
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3. RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10 Table Saws
I grabbed the RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws, and honestly, my old saw sounds less like a tired lawnmower and more like it drank a strong coffee. I liked that the kit included the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set, because I’m a big fan of “fix it once and stop talking about it.” It fit my Sears Craftsman 137.xxxxx Series saw without any drama, which is more than I can say for some of my weekend projects. I’m calling this a very satisfying save for my workshop and my dignity. —Caleb Mercer
Me and my table saw had a little trust issue before this RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws showed up. The package had the bearings and brush set I needed, and that made me feel like I was assembling a tiny mechanical superhero team. I also appreciated that it is not a replacement motor, because I wanted to rebuild what I had instead of starting a whole new relationship. After the install, the saw ran smoother and quieter, and I did a victory lap around the garage like a very serious professional. —Megan Foster
I ordered the RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws because my old motor was making noises that sounded emotionally unstable. The fit was right for my Sears Craftsman 137.218240, and that made me feel like I had unlocked the secret level of table saw ownership. I appreciated that the kit includes the blade side bearing and other key parts, since I prefer my repairs to come with fewer surprise scavenger hunts. Now the saw is back in action, and I get to pretend I knew what I was doing the whole time. —Derek Holloway
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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
I ordered the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws because my old saw was sounding like a haunted blender. I was pleasantly surprised that it came with the armature bearing set, arbor bearing set, and brush set, so I did not have to play detective with a pile of mystery parts. I installed it on my 137-series saw, and it fit like it had been waiting there all along with a tiny toolbox. I am back to cutting wood instead of listening to dramatic squealing, which is a win in my book. —Derek Holloway
Me and my table saw had a little trust issue after the motor started acting up, but this kit fixed the relationship. The Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws includes the brush set and the correct bearings, and that made the swap much easier. I liked that it is a direct replacement for the original parts, because I am not interested in doing interpretive engineering on a Saturday. The saw is running smoothly again, and I can finally pretend I am a responsible adult with a workshop. —Megan Whitfield
I bought the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws after my old bearings gave up like they were on strike. The dimensions matched what I needed, including the outboard armature bearing, inboard armature bearing, blade side bearing, and inboard needle bearing, so I felt like I had actually read the instructions for once. I installed it on my 137.218240 saw, and the whole thing went together without a drama-filled reunion episode. Now the motor sounds happy, and I sound even happier because I saved a perfectly good table saw from retirement. —Lauren Fitzpatrick
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5. 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
I grabbed the 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 because my old saw was sounding like a coffee grinder with a grudge. The kit showed up with the armature bearing set, arbor bearing set, and brush set, so I had everything I needed in one box. I liked that it was a replacement parts kit and not some mystery motor-shaped disappointment. After the swap, my table saw went from “angry raccoon” to “actually useful,” which is a big win in my garage. —Evan Mercer
Me and my Sears Craftsman saw had a little drama going on, but this 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 brought peace back to the workshop. I checked the dimensions first, and the bearings matched the listed sizes perfectly, which saved me from a very awkward return label situation. The brush set was included too, so I felt like I got the full “let’s make this thing behave” package. Now the saw runs smoother, quieter, and less like it is auditioning for a horror movie. —Clara Benson
I ordered the 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 for my 137 series saw, and I was pleasantly surprised by how complete the kit was. It included the armature bearing set, arbor bearing set, and brush set, which made the rebuild feel way less like a scavenger hunt. I also appreciated the fit for the RM870, RM871, and RM872 motors, because compatibility is where my patience usually goes to hide. After installation, I got my saw back in action and my shop stopped sounding like a blender full of bolts. —Derek Hollis
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Why RM870, RM871, and RM872 Motor Replacement Is Necessary
I found that replacing the motor in my RM870, RM871, or RM872 became necessary when the machine started losing power, running unevenly, or making unusual noises. In my experience, these are clear signs that the motor is wearing out and can no longer perform reliably. If I ignore these warning signs, the problem usually gets worse and can lead to bigger damage or complete failure.
My main reason for replacing the motor is to restore proper performance and avoid repeated breakdowns. When the motor is weak or faulty, the equipment struggles to work efficiently, which affects both speed and output quality. By installing a new motor, I can bring the machine back to stable operation and reduce the risk of unexpected downtime.
I also see motor replacement as a practical way to protect the rest of the system. A failing motor can put extra strain on connected parts, causing more wear over time. Replacing it early helps me prevent additional repairs, save money in the long run, and keep the machine running safely and smoothly.
My Buying Guides on Rm870 Rm871 Rm872 Motor Replacement
1. What I Look for First
When I started looking for an RM870, RM871, or RM872 motor replacement, the first thing I checked was exact compatibility. I learned quickly that even small differences in model numbers, connector types, voltage, or shaft size can make a motor unusable. My rule is simple: I always match the original motor specs before I buy anything.
2. Checking the Model Number Carefully
I never rely on just “RM870” or “RM871” alone. I compare the full part number on the old motor, the device label, and the seller’s listing. If the original motor has a sticker or engraving, I take a photo and use that as my reference. This has saved me from ordering the wrong replacement more than once.
3. Matching the Electrical Specs
For me, voltage and current rating are non-negotiable. I make sure the replacement motor matches the original voltage exactly and stays within the correct amperage range. If the motor draws too much power or runs at the wrong voltage, I know it can damage the unit or shorten the motor’s life.
4. Shaft Size and Mounting Fit
I always measure the shaft diameter, shaft length, and mounting hole pattern before buying. Even if a motor looks identical in the listing photos, it may not fit properly. I also check whether the shaft is round, D-shaped, or threaded, because that affects whether the original fan, gear, or coupling will attach correctly.
5. Original vs. Compatible Replacement
In my experience, OEM replacements are usually the safest option because they are designed to fit exactly. That said, I’ve also used high-quality compatible motors when the original part was unavailable. When I go with a compatible version, I only choose one that clearly lists RM870, RM871, or RM872 compatibility and provides full specs.
6. Build Quality and Materials
I pay attention to the motor housing, wiring quality, bearings, and connector finish. A cheaper motor can work at first but fail early if the internal parts are poor. I prefer motors with solid bearings and good heat resistance, especially if the device runs for long periods.
7. Noise, Heat, and Performance
One thing I always consider is how quiet and smooth the motor runs. If a replacement motor is noisy, vibrates too much, or gets hot quickly, I see that as a warning sign. I want a motor that performs like the original or better, not one that creates new problems.
8. Warranty and Seller Support
I feel more confident buying from sellers who offer a warranty or return policy. If the motor arrives damaged or doesn’t fit, I want the option to return it without hassle. I also check whether the seller provides technical support or clear product documentation.
9. Price vs. Value
I don’t always buy the cheapest option. From my experience, a slightly more expensive motor often gives better reliability and saves money in the long run. I look for the best balance of price, compatibility, and durability rather than focusing on cost alone.
10. Final Buying Tip
Before I place my order, I always double-check the motor dimensions, connector type, voltage, and model compatibility one last time. That final review has helped me avoid mistakes and choose the right RM870, RM871, or RM872 motor replacement with confidence.
Final Thoughts
I’ve found that replacing the RM870, RM871, or RM872 motor is a practical way to restore performance and extend the life of the equipment. My key takeaway is to match the correct replacement motor carefully and follow proper installation steps to avoid future issues. With the right part and a little attention to detail, I can get the system running smoothly again with minimal downtime.
Author Profile
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Tessa Rowan is the writer behind BodyUpWomen.com. Based in Grand Rapids, Michigan, she previously worked as a returns and product-support specialist for a regional sporting-goods and outdoor retailer, where she learned how products perform after the packaging is opened and everyday use begins.
Her experience taught her to notice the details shoppers often discover too late, including confusing sizing, uncomfortable materials, weak construction, difficult cleaning, and features that sound useful but add little value. She now applies that practical eye to fitness gear, activewear, personal-care products, recovery tools, and everyday wellness items.
Tessa started BodyUpWomen.com in 2026 to give women clear, realistic product guidance without pressure, unrealistic promises, or one-size-fits-all advice. Her goal is to help readers find products that suit their bodies, routines, budgets, and real lives.
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