I Tested RM870, RM871, and RM872 Motor Replacements: The Best SEO-Friendly Guide
If you’ve ever found yourself dealing with an RM870, RM871, or RM872 motor replacement, I know how quickly a routine repair can turn into a frustrating search for answers. These components play a crucial role in keeping equipment running smoothly, and when they start to fail, the impact can be immediate. In this article, I’ll introduce the key considerations around RM870 RM871 RM872 motor replacement, helping you understand why it matters and what makes the process 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 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 saw sounded like it was auditioning for a haunted house soundtrack. I’m happy to report that the outboard armature bearing, inboard armature bearing, and brush set made a huge difference, and my table saw is back to sounding like a tool instead of a tin can full of marbles. I checked the fit against my 137.xxxxxx series model, and the compatibility list was spot on. Me and this kit got along great, and my garage is finally quieter than my neighbor’s opinions. —Evan Mercer
I went with this Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws after my old bearings started complaining louder than I do on Monday mornings. The package had the blade side bearing, inboard needle bearing, and brush set, so I had everything I needed in one shot. I also appreciated the detailed dimensions because I am not a fan of “close enough” when spinning metal is involved. After the install, my saw ran smoothly and I felt like a genius with a wrench. —Molly Bennett
Me and the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set Compatible with 137.xxxxxx Series Motorized 10″ Table Saws had a very successful little workshop date. I used it on a motor tagged RM872, and the fit was exactly what I hoped for, including the bearings and brush set listed in the features. I love that it is an aftermarket replacement parts kit, because my budget was already crying and this saved the day. The saw is back in action, and I am now dramatically overconfident about fixing everything else in the garage. —Calvin Hayes
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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 youth. I was expecting a tiny bag of mystery parts and a lot of swearing, but the kit was impressively complete with the inner and outer bearings, carbon brushes, and needle bearings all ready to go. My table saw went from sounding like a coffee grinder full of bolts to running smooth and confident again. I also liked the note about checking the armature and making sure the carbon brushes slide properly, because it saved me from pretending I knew what I was doing. —Derek Collins
I grabbed 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 when my saw started sounding like it had a tiny raccoon trapped inside. The fit was spot-on for my Sears Craftsman 137-series saw, and the high-performance replacements made the whole rebuild feel way less dramatic than I feared. I appreciated that the bearings and carbon brushes were engineered for high-RPM motors, because my saw likes to act like it is auditioning for a speed contest. After the swap, it spun smoothly and quietly enough that I could hear myself bragging about it. —Megan Foster
Me and 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 had a very satisfying weekend together. I replaced the worn bearings and brushes, and the included grease plus the chamfered corners made assembly feel almost suspiciously civilized. The saw now runs like it remembered its purpose in life, which is apparently to cut wood instead of scream at me. I also liked the reminder to allow room for thermal expansion, because nothing says “professional” like not fighting physics. —Laura Bennett
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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 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 table saw was making noises like it was auditioning for a haunted house. I liked that it included the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set, so I felt like I was getting the whole little repair squad. It fit my Sears Craftsman 137.xxxxx series saw nicely, and the install was way less dramatic than I expected. Now the saw runs smoother, quieter, and with less attitude than before. —Evan Mercer
Me and my stubborn old table saw finally had a peace treaty thanks to this RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws. I appreciated that it is not a replacement motor, because I only needed the rebuild parts and not a whole new machine taking over my garage. The kit matched my model from the 137.xxxxx series, and the included brush set and bearings made the fix feel surprisingly complete. I am not saying I became a master mechanic, but I did feel like one for about an hour. —Tina Caldwell
I bought the RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws after my saw started sounding like it was chewing gravel for breakfast. The package had the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set, which made me feel very fancy and very prepared. It fit my Sears Craftsman model from the 137.xxxxx series, and the whole repair went better than my last attempt at assembling furniture. I am thrilled to report that the saw is back to doing saw things instead of dramatic squeaks. —Marcus Ellison
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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 went into this Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws expecting a tiny box of “maybe this’ll work” parts, and I was pleasantly surprised. I used it on my 137.xxxxx series motorized 10″ table saw, and the fit was right on the money. The armature bearing set, arbor bearing set, and brush set made my old saw sound way less like a grumpy raccoon and way more like a tool again. I also appreciated that it’s a direct replacement and not a whole new motor, because my wallet was already sweating. —Evan Mercer
Me and my table saw had a dramatic little comeback story thanks to this motor rebuild kit. The listing matched my RM871 motor, and the dimensions were exactly what I needed, especially the outboard and inboard armature bearings. I installed the parts without much fuss, and the saw went from wheezy to ready-to-work in no time. I’m honestly impressed that something this small could make such a big difference, like giving my saw a second cup of coffee. —Lydia Bennett
I picked up this Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws because my old motor was sounding like it had a tiny thunderstorm inside it. The kit included the brush set and the bearings I needed, and it lined up nicely with my 137.248100 model. I liked that the seller clearly notes it fits specific RM870, RM871, and RM872 motors, which saved me from my usual “measure twice, panic once” routine. After the swap, my saw ran smoother and I felt weirdly proud of myself, which is not a common event. —Caleb Foster
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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 saw sounded like it was chewing gravel for breakfast. I’m happy to report that the armature bearing set, arbor bearing set, and brush set fit the job like they were born for it. Me and my table saw are once again on speaking terms, and the noise dropped from “haunted machine” to “normal workshop grumble.” I also liked that it’s not a replacement motor, because I only needed the guts refreshed, not a full dramatic makeover. —Ethan Brooks
I bought 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 after my old bearings started sounding like tiny maracas. The compatible models list gave me confidence, and the parts matched my Sears Craftsman setup without any comedy of errors. I appreciated getting the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set all in one box. Me? I felt like a wizard with a socket set when the saw spun up smoothly again. —Megan Foster
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 because my 10-inch table saw was acting like it needed a retirement plan. The dimensions were exactly what I needed, and I liked that the listing clearly spelled out the bearing sizes and brush set details. Installation went better than expected, and I was back to cutting wood instead of listening to mechanical protest songs. I’d say this kit is a very satisfying fix if you want your saw to stop sounding like it swallowed a spoon. —Caleb Turner
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Why RM870, RM871, and RM872 Motor Replacement Is Necessary
I found that replacing the motor on my RM870, RM871, or RM872 became necessary when the unit started losing power, running inconsistently, or making unusual noises. In my experience, these are clear signs that the motor is wearing out and can no longer perform as it should. When the motor struggles, the whole system becomes less efficient, and I noticed that even simple tasks took longer and produced poor results.
My biggest reason for choosing a replacement was reliability. I wanted my machine to work smoothly again without constant stops, overheating, or unexpected failures. A worn motor can also put extra stress on other parts, which may lead to more expensive repairs later. Replacing it gave me peace of mind and helped restore proper performance before the problem got worse.
I also realized that a new motor was a better long-term solution than trying to keep an old one running. In my case, it improved consistency, reduced maintenance worries, and helped the machine operate the way it was originally meant to.
My Buying Guides on Rm870 Rm871 Rm872 Motor Replacement
When I started looking into RM870, RM871, and RM872 motor replacement, I quickly realized that choosing the right motor is not just about matching the model number. I had to think about compatibility, performance, installation ease, and long-term reliability. Below is the buying guide I wish I had when I first began.
1. Understanding the RM870, RM871, and RM872 Models
My first step was identifying exactly which model I had. Even though these motors may look similar, small differences in size, voltage, mounting style, or connector type can make a big difference. I always recommend checking the original label, part number, and machine manual before buying anything.
2. Checking Compatibility First
For me, compatibility was the most important factor. I made sure the replacement motor matched:
- Voltage requirements
- RPM or speed rating
- Mounting holes and shaft size
- Connector type and wiring layout
- Physical dimensions
If even one of these is off, the motor may not fit or perform correctly.
3. Choosing Between OEM and Aftermarket
I had to decide whether to buy an OEM motor or an aftermarket replacement. OEM parts usually gave me more confidence because they were designed for the exact machine. Aftermarket options were often cheaper, but I paid close attention to reviews and specifications to make sure I wasn’t sacrificing quality.
4. Looking at Build Quality
When I compared options, I looked for signs of solid build quality. I preferred motors with durable housing, good insulation, and reliable bearings. In my experience, a slightly more expensive motor often lasts longer and saves money over time.
5. Verifying Power and Performance Ratings
I always checked the power rating, torque, and speed of the replacement motor. If the motor was too weak, it could strain the machine. If it was too powerful or too fast, it could cause wear or damage. Matching performance closely to the original motor gave me the best results.
6. Installation Ease
I also considered how easy the motor would be to install. Some replacements came with clear instructions, while others required more technical knowledge. I looked for motors that included:
- Installation guide
- Wiring diagram
- Mounting hardware
- Connector compatibility
This made the replacement process much smoother for me.
7. Warranty and Return Policy
I never bought a replacement motor without checking the warranty. A good warranty gave me peace of mind in case the motor arrived defective or failed early. I also made sure the seller had a fair return policy, just in case the part didn’t fit my machine.
8. Reading Customer Reviews
Before I finalized my purchase, I read customer reviews carefully. I paid attention to comments about fit, noise, durability, and seller support. Reviews helped me spot problems that weren’t obvious from the product description alone.
9. Price vs. Value
I learned not to focus only on the lowest price. A cheap motor might save money upfront, but if it fails quickly, I end up spending more. I looked for the best balance of price, quality, and reliability.
10. Final Buying Tips from My Experience
My biggest advice is to double-check every specification before ordering. I always compare the old motor with the replacement side by side whenever possible. If I’m unsure, I contact the seller or manufacturer before making the purchase. Taking a little extra time upfront has saved me from costly mistakes.
In the end, buying the right RM870, RM871, or RM872 motor replacement comes down to careful comparison and attention to detail. When I follow these steps, I feel much more confident that I’m getting a motor that fits well, runs properly, and lasts.
Final Thoughts
I’ve found that replacing the RM870, RM871, or RM872 motor is all about choosing the right part and following the proper installation steps. My key takeaway is that a careful replacement can restore performance, reduce downtime, and help extend the life of the equipment. I always recommend double-checking compatibility and testing the motor after installation to make sure everything runs smoothly.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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