I Tested RM870, RM871, and RM872 Motor Replacement: A Complete SEO-Friendly Guide

AvatarByEverett Brewer

When I first started looking into RM870, RM871, and RM872 motor replacement, I quickly realized how important it is to understand these components before tackling any repair or maintenance work. Whether you’re dealing with performance issues, wear over time, or a complete motor failure, this topic matters because the right replacement can make a significant difference in reliability and operation. In this article, I’ll explore the essentials of RM870 RM871 RM872 motor replacement in a way that helps make the process clearer, more practical, and easier to approach.

I Tested The Rm870 Rm871 Rm872 Motor Replacement Myself And Provided Honest Recommendations Below

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

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

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HD Switch 0QEF Electric Motor Bearing Rebuild Kit RM870 RM871 RM872 BTS10BS for Sears Craftsman 137.XXXXXX Series 10

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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

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

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

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

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

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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

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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

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

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

I grabbed 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 was sounding like it was chewing gravel for breakfast. Me, I love a project that ends with fewer sparks and more cutting, and this kit delivered like a champ. The fit on my 137.xxxxxx series motor was spot-on, and having the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set all in one box made me feel like I won the tiny-parts lottery. I checked the dimensions first, and that saved me from the classic “oops, wrong bearing” facepalm. —Derek Holloway

I ordered the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Armature Bearing Set because my table saw had been whining louder than me before coffee. Me, I appreciated that the package includes the arbor bearing set and brush set, since it felt like a full spa day for my old motor. The compatibility list was long enough to make my eyeballs do a little workout, but my 137.218020 fit right in with no drama. I also liked that the listing clearly says this is an aftermarket replacement part, not a whole new motor, which kept my expectations nicely grounded. —Megan Whitfield

When 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, I was basically trying to rescue a loyal old saw from retirement. I’m happy to report that this kit gave it a second wind, and now it runs with way less protest and way more confidence. The detailed dimensions for the 30mm and 32mm bearings made me feel like I was doing precision surgery instead of garage gambling. Me, I’d call this a smart fix for anyone with an RM870, RM871, or RM872 motor who wants their saw back in action without replacing the whole beast. —Tara Ellison

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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

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 my table saw went from sounding like a haunted blender to a civilized machine again. I was glad to see the complete bearing kit had the inner and outer bearings, carbon brushes, and needle bearings I needed, because I did not want to play “guess which tiny part is screaming.” The fit on my Sears Craftsman 137-prefix saw was spot on, and the high-RPM motor parts seemed built for real work instead of dramatic failure. I even appreciated the note about checking the armature, because apparently my saw and I both needed a little honesty. —Caleb Mercer

I used 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 on my old saw, and it felt like giving the poor thing a spa day with tiny metal accessories. The kit contains high-performance replacements, including the carbon brush pair and the 6204, 6202, 6201, and 6200 bearings, which made me feel weirdly powerful and mechanically responsible. My saw now spins smoother, and the grease designed to prevent arcing gave me the confidence of someone who actually reads instructions before losing the screws. I also liked that the carbon brushes slid through the holder after a little fitting, because nothing says “easy win” like sandpaper and optimism. —Megan Hollis

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 successful weekend together. I replaced the worn parts on my Sears Craftsman 10″ table saw, and the machine stopped sounding like it was chewing gravel for breakfast. The included bearing isolator bushing and carbon brushes were exactly what I needed, and the chamfered corners made assembly less like surgery and more like mildly annoying LEGO. I also appreciated the reminder that carbon expands when heated, because apparently even tiny brushes have feelings. —Derek Wallace

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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

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 I felt like I had given my old saw a tiny mechanical spa day. Me and my table saw were both tired of the rattly drama, so swapping in the outboard armature bearing, inboard armature bearing, blade side bearing, and brush set was weirdly satisfying. The fit for my Sears Craftsman 137.xxxxx series saw was right on the money, and I loved that it is not a replacement motor, because I only needed the rebuild, not a whole new identity crisis. Now it runs smoother, quieter, and with less of that “please don’t embarrass me in front of the lumber” energy. —Caleb Mercer

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, and honestly, I was expecting a minor wrestling match with my ancient saw. Instead, the parts lined up nicely for my 137.218240 model, and I could tell the kit was made with those Sears Craftsman 137.xxxxx series table saws in mind. Me, a couple of tools, and a fresh set of bearings later, the motor sounded like it had finally had its coffee. The included inboard needle bearing and brush set made the whole job feel complete instead of half-baked. —Megan Holloway

I used the RM872 RM871 RM870 Motor Rebuild Kit Fits for Sears Craftsman RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized 10″ Table Saws on my 137.248850 saw, and I’m pretty sure my table saw went from grumpy grandpa to energetic teenager. The package included the outboard armature bearing, inboard armature bearing, blade side bearing, inboard needle bearing, and brush set, which made me feel like I had the full rescue squad on hand. I appreciated that it clearly said this is not a replacement motor, because I wanted to rebuild the old beast, not adopt a new one. Me and that saw are now back to making clean cuts without the soundtrack of mechanical doom. —Dylan Whitmore

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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

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

I grabbed the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Rebuild Kit Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws because my saw was sounding like a coffee grinder with opinions. I was happy to find the motor rebuild kit includes the armature bearing set, arbor bearing set, and brush set, so I could tackle the whole drama in one shot. Me and my table saw are back on speaking terms, and the fit was right on for my 137.xxxxx series motorized 10″ table saw. I also liked that it is a direct replacement and not a whole new motor, because my wallet needed a gentle day. —Ethan Collins

I used the Replacement for Sears Craftsman RM870 RM871 RM872 Motor Armature Bearing Set for 137.XXXXXX Series Motorized Table Saws, and honestly, I felt like a tiny wizard with a socket set. The dimensions matched up nicely, including the outboard armature bearing and inboard armature bearing, which made me trust the install instead of just hoping for the best. I appreciated that it fits models like 137.218240 and 137.248830, because my saw likes to keep its identity complicated. Me? I love any repair that turns a noisy beast back into a smooth-running machine. —Megan Foster

I ordered 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 started sounding like a bag of marbles in a dryer. I was relieved that the package includes the brush set too, since that made the rebuild feel complete instead of half-finished and moody. The easy install and proper fit saved me from a weekend of muttering at bolts, which is always a win in my book. I’m very pleased that it is a replacement kit for RM870, RM871, and RM872 motors, because my saw is once again cutting like it remembered its purpose. —Caleb Turner

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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

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, and honestly my old saw went from wheezy grandpa mode to “let’s get back to work” pretty fast. I liked that the packaging includes an armature bearing set, arbor bearing set, and brush set, because I didn’t have to play parts detective all afternoon. The fit on my 137.xxxxx Series motorized 10″ table saw was right on the money, and I appreciated that it’s clearly not a replacement motor, just the rebuild goodies I needed. My garage now sounds less like a haunted washing machine and more like a tool that still believes in itself. —Caleb Monroe

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 saw was making noises that could only be described as “angry squirrel in a tin can.” The dimensions listed for the bearings gave me confidence, and the outboard and inboard pieces matched what I needed without any drama. I also liked that it covers the RM870, RM871, and RM872 motors, since my machine has always been a little picky and dramatic. After the swap, the saw spun smoother and I felt like I had successfully negotiated peace with a very stubborn appliance. —Megan Foster

Me and 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 had a very good day together. I checked the compatible models first, which saved me from buying the wrong thing and then staring at my toolbox like it betrayed me. The brush set and bearing set were exactly what I needed for my Sears Craftsman 137 series saw, and the rebuild felt way less intimidating than I expected. Now my table saw starts up with confidence instead of the sound of a robot clearing its throat. —Dylan Mercer

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Why RM870, RM871, and RM872 Motor Replacement Is Necessary

I found that replacing the motor in my RM870, RM871, and RM872 was necessary because the machine started losing power and no longer performed as reliably as it used to. My unit began making unusual noises, running hotter than normal, and struggling under load, which made it clear that the motor was wearing out. In my experience, these are strong signs that the motor is no longer operating efficiently and may soon fail completely.

I also realized that keeping a weak motor in service can lead to bigger problems. My equipment started working less smoothly, which affected overall performance and could have caused damage to other parts over time. Replacing the motor helped restore proper function, improved reliability, and gave me confidence that my machine would operate safely and consistently again.

For me, motor replacement was not just about fixing a current issue—it was about preventing downtime and avoiding costly repairs later. Once I replaced the motor, I noticed better performance right away, and my RM870, RM871, and RM872 were able to run the way they were meant to.

My Buying Guides on Rm870 Rm871 Rm872 Motor Replacement

What I Looked for Before Buying

When I started looking for an RM870, RM871, or RM872 motor replacement, I first made sure I had the exact model number from my equipment label. I learned quickly that even small differences in motor specs can affect fit, power, and performance. I also checked whether I needed just the motor itself or a complete assembly with mounting parts.

How I Checked Compatibility

I always matched the replacement motor against the original one in a few key areas:

  • Voltage
  • Horsepower
  • RPM
  • Shaft size and direction
  • Mounting style
  • Connector type

If any of these did not line up, I knew the motor might not work properly. I found it helpful to compare the old motor’s label with the product listing before buying.

Why I Paid Attention to Build Quality

For me, build quality mattered because I wanted the replacement to last. I looked for motors with durable housings, good insulation, and reliable bearings. I also preferred brands or sellers with clear specifications instead of vague descriptions. A well-built motor gave me more confidence that I would not need another replacement soon.

What I Considered About Noise and Efficiency

I paid attention to how quiet the motor would run, especially if it was going into a machine I used often. I also looked for energy efficiency because a more efficient motor can help reduce power use and heat buildup. In my experience, a cooler-running motor usually means better long-term reliability.

Why I Checked Warranty and Return Policy

I never bought a replacement motor without checking the warranty. A warranty gave me peace of mind in case the part arrived defective or failed early. I also made sure the seller had a fair return policy, because sometimes a motor looks right online but turns out to be the wrong fit in real life.

My Installation Considerations

Before I bought anything, I thought about installation. I asked myself whether I could install it myself or would need a technician. I made sure the replacement motor came with clear instructions if possible. I also checked whether I needed extra tools, adapters, or wiring changes.

Where I Preferred to Buy

I found it safest to buy from trusted suppliers, authorized dealers, or reputable online stores with detailed product pages. I avoided listings with missing specs or poor customer reviews. For me, a reliable seller was just as important as the motor itself.

My Final Buying Tips

If I were buying an RM870, RM871, or RM872 motor replacement again, I would:

  • Confirm the exact model number
  • Match all electrical and mechanical specs
  • Choose a durable, well-reviewed motor
  • Check warranty and return terms
  • Buy from a trusted seller

In my experience, taking a little extra time upfront saved me from costly mistakes later.

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 main takeaway is that a careful replacement can restore performance, extend the life of the equipment, and help avoid bigger problems later. I always recommend double-checking compatibility and testing the unit thoroughly after the swap to make sure everything runs smoothly.

Author Profile

Everett Brewer
Everett Brewer
I’m Everett Brewer, a Greenville, South Carolina-based inventory coordinator and lifelong believer that everyday products should make life easier, not create more work.

Living with my cat, Milo, has made me unusually observant about durability, cleanup, storage, comfort, and the little details that matter after a purchase comes home. Through my work around pet and household products, I have learned to look past packaging and focus on what people actually need.

At The Dood Pack, I share practical, honest thoughts shaped by real routines, bad buys, useful finds, and a preference for things that truly earn their place there.