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Bearing Kit, LM67048/25580 Bearings, 10-36 Seal

Bearing Kit, LM67048/25580 Bearings, 10-36 Seal

Item # BK3-300
Our Price: $27.94
Trailer Bearings Races Seals Caps
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Trailer Bearings Races Seals Caps BK3-300 - Standard Bearings,Bearing Kits - etrailer
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Great Prices for the best trailer bearings races seals caps from etrailer. Bearing Kit, LM67048/25580 Bearings, 10-36 Seal part number BK3-300 can be ordered online at or call 1-800-940-8924 for expert service.
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etrailer Trailer Bearings Races Seals Caps - BK3-300

  • Bearings
  • Standard Bearings
  • Bearing Kits
  • 5200 lbs Axle
  • Bearing LM67048 and 25580
  • etrailer
  • Race 25520 and LM67010

Trailer Hub Bearing and Race Kit

  • Kit includes:
    • Inner Bearing and Race
    • Outer Bearing and Race
    • Grease Seal
    • Cotter Pin
    Outer Bearing Inner Bearing Outer Race Inner Race Seal Seal ID
    LM67048 25580 LM67010 25520 10-36 2.25"

BK3-300 Bearing Kit, LM67048/25580 Bearings, 10-36 Seal, Races 25520 and LM67010

Video of Bearing Kit, LM67048/25580 Bearings, 10-36 Seal

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Trailer Bearings Races Seals and Caps Rebuild

Speaker 1: Today we're going to take you through the rebuild process on a couple of hubs. We've got an idler hub, and here we've got a hub and drum assembly. Works with electric rigs, but this can also work for just standard discs, if you've got a disc brake style setup.Basically what we're going to show you is how to get all of the bearings out. How to remove the seal. How to remove the race's if they're damaged, then get them replaced in the proper manner. We'll show you how to use an easy loop hub, which we have here.The first thing we are going to need to do is, get the grease cap off the end.

It can have either a rubber plug in it like this one does, or it can be a solid metal cap.These are pressed fit in there, basically by tapping on them on the back side. To remove them, a deadbolt hammer is typically what we're going to use. We're just going to start tapping as we go around. You'll see a little separation start right here, and slowly it'll work it's way off.Now the next step's going to vary a little bit depending on your axle setup. Do you see this is going to have a keeper that goes around the nut.

And that prevents that from being backed off, or removed. A lot of times you'll have a castle nut, which will have just little tabs that stick off, and there will be a cotter pin that passes through it. Just depending on your application, you need to get the keeper for the nut off. This style we just kind of pry out. A cotter pin you would just remove of course.Once we have that off ...

We'll start to take off the nut here, and the washer that's in behind it. Now yours should look a whole lot more dirty than this. There should be a lot of grease packed in, and through the hub, this one's brand new. We thought it'd be nice to show you the components before the grease was on .. Of our washer that comes off.And then here we're going to have our outer bearing.

Continue to pull that. We're gonig to have our inner bearing here. That sits in the backside of the hub. And we didn't put it in yet, we will show you how to put it in. But a seal would typically be covering the backside here. We'll show you how to use a seal removal tool, or another tool. To get that pried up and out. To get an access to that inner bearing.Now for a drum style like this, that process for disassembly is going to be just the same. One thing to keep in mind if you're using a disc brake setup. You'll have to remove the caliper before the disc is going to come off.Now once we have the spindle exposed, as we said this is going to be really greasy. We want to get all the grease removed, and the first thing we'll do is inspect it. We want to make sure that it looks just like what we have here. Everything's nice and smooth. We don't see any kind of discoloration, or any marring on the metal. Indicating that our bearing's got hot.If you do have any of those symptoms, at this point it's time to replace those bearings. You don't want to repack them. Get new bearings, and put in there. You might have a bearing that's come apart in here. Another surface to ensure is in good condition, is where your seal is going to go. That helps seal all the grease inside of our hub. With a damaged or broken seal, that grease is going to seep out. Either out of the hub, or in this case into our brake assembly.Now if your axle has brakes, we're also going to check the disc. Make sure it doesn't have any issues, or your hub. And this is going to be a hub and drum assembly. The brakes are going to ride on this machine surface. You're going to check that for signs of excessive heat, discoloration, or cracking. And this is our magnet surface. We'll check that surface for the same issues.Now inside the hub regardless if it's a disc brake, it's a drum brake like this. Or just a standard idler style hub. You're going to have an outer race. Would be right here, it's a small tapered piece of metal your bearing sits in, and rotates on. That's basically the outer portion of the bearing.You have the same thing here on the backside. This is called the inner race. Now if those show any signs of wear, overheating, or cracking. Those are also something we'll need to replace, which we'll show you how to do in just a minute.Now, with your brake assembly exposed, if you do have electric brakes like we have here. It's a good idea to check all the components for wear, cracking, maybe missing pieces. Check your pad thickness to make sure those are in good shape. Basically if you have a non working brake assembly and you put everything back together, you're just going to have to take it apart and do it all over again to get back to the brake assembly. This gives you a really good option to be able to change them out.And most applications are going to use a four, or maybe a five bolt flange to hold them in place. And you'll just remove the lock nuts, or sometimes you'll have a hex nut with a lock washer. You want to remove those, and then simply slide your assembly off after you cut the wiring.The friction material itself should also be checked for any kinds of cracking, or overheating. If you have any grease inside the system at all, it's likely it's gotten on those pads. It's a good idea to get those changed. Now as far as the removal of the races go, it's going to be just the same whether we're using an idler style hub like we have here. A drum brake like we have here. You can basically see where the idler is, here in the middle of the hub. It's going to go all the way around there, and we just have this extra material here to provide our braking surface.Now if you're doing a disc brake style job again, it's going to be just the same here with the races living inside of the actual hub portion. You'll just have the discs there for the brakes to make contact. We're going to use this little bit smaller one, it's a little bit easier to manage to show you how to get these out. We've talked about where the races are. The outer here, the inner being closer to the inside, but on the backside of the race there's a little lip. That lip's meant to stick out just a little bit further than the hub, and provide us an area to put our tool on, and help to drive that out.If you look all the way through there on that inner race, you'll see that little lip that sticks out just from the hub slightly, and it gives us enough area to use our tool on. Now generally to remove these you're going to use a punch, similar to this. Some guys will use a screwdriver. Or a piece of pipe. If you have a piece of pipe that's small enough to fit inside of that diameter, you can take that down through and allow it to rest on that lip.Use our punch, and then just need a hammer. And we'll start working that out. We're going to tap all the way around. Kind of equally, and evenly apply the force to get it to come on out of the bottom for us.You can see now as it starts to come out there's going to be a little gap created between the hub and the race. And we can just keep going, bringing it on out. Then you can inspect the inside of the hub surface there. Make sure no damage or anything has occurred, and repeat that same process for the outer race if you plan on removing and replacing that one.Now in the outer flat edge, you can see we're going to have our tapered edge on this side. If we roll our race over to the flat side, typically there's going to be a manufacturers part number on there. That will help you identify which race it is, that you need to go back in your system. If those are rubbed off, worn off, if you can't read them. You can measure the outside, to outside diameter of the race here. It's a good idea to use a micrometer to get it exact.Now here's your basic micrometer. And again, the outside of the race is what we're going to need to measure. You want to go . I set the thickest point there. Looks like this one's going to be about 1.98. That's going to be the measurement you'll want to supply.Now while we've got this out, let's also look at the proper way to measure our bearing. Instead of the outside for the bearing, we need to measure the inside diameter. That's going to be pretty simple. Let's pull that out, find the largest measurement we can. Which here, looks like it's going to be 1.03. With that information, we'll be able to get the correct bearing, and the correct race, so they'll fit together properly and make a full bearing kit for us.Now here's the race, we're going to show you how to get this put back in. Basically just going to press fit inside of our hubs. We need to get it down on there. Kind of like that. And you'll have a couple options. A lot of times you're going to see do it yourself or at homer, just going to use a wooden block. Just place it on there. That's going to get you started, but at that point you'll struggle in getting it to go all the way down into it's seat.Now to take care of that problem, there are several seal drivers that are available. Seal and race drivers that are available out there on the market. It's designed to fit down inside of our race, inside of our hub and get it down there where it needs to go. This is part number ptw83020, has several different sizes, even if you have multiple trailers it's going to do the job.Now the side with the angle on it, is designed to fit down inside of our race. If we use the other side, that's going to be for driving your seal into place. Just want to hold it, and take it on in with your hammer. You'll see, you just want to insure that our race is all the way up against that line on the hub where it's supposed to mate to.Now when it comes time to pack your bearings you're going to have several different ways of doing this. You can just use your hand, is the traditional method. That's going to be the method probably reserved for the very occasional trailer work kind of situation. If you do it once or twice a year, probably get away with it that way.Next you would go to a, kind of a sandwich funnel style almost. If you look inside of there, you can see the bearing. It's located between the two pieces. Just use a grease gun. Start filling that with grease, and that's going to fill our bearing for us. And the third, with this one you're just going to place your bearing down and in. It should be pretty close to center. And then we've got our cone her that's going to go down and secure that.Now I think this style, wastes a little bit more grease than what this style will. This has a dust cap. You can see, you can keep your grease in there, put your dust cap on there and save it for later use. This will be if your going to do it every couple years. And this particular style would be if you're a more regular user.Let's start by showing you how to use a bearing packer. Similar to this. Again, we've just got our grease inaudible 00:11:07 here on the top. And then just slowly start to fill it. Now I like this style quite a bit. I think even regular users might enjoy it, because you can get a really quick visual look at that bearing. You're not going to have to overdo it, or have to much grease.You can kind of see in there now, we're starting to get grease to come out of it. Couple more pumps, we'll be good. You can see we've got grease coming out all the way around. Where all of our bearings are. Got a little bit of excess there. Just take that around the outside of it. And then we should be able to lift it off. And now you can see what we we're talking about. Just a little bit of excess there, that you're just going to wind up wasting.Now we'll take our bearing, we're going to place it right down in our race. And then we'll cap off the back with our seal. Right now our seal's going to fit in just like our race did. It's going to have a little bit of a pressure fit to it. Now very often in this situation, I see people using the four by four method. Kind of here, just placing that on and tapping it. As an option though, if you do have one of these. You can see that's designed to fit right on the top of the seal. And help drive it in.The biggest thing here is, just going to be getting it driven in squarely. You can see, this side's in a little bit further than this side. I'm going to start this side first. Now since we didn't have the opportunity to show you before, we're going to take a look at pulling a seal. Now this is a seal puller, we carry this on our website part number ptw1219. This is meant to hook underneath the seal. And then you kind of pull up on it, and just like our race you'll have to work all the way around that edge. Just bringing it out a little at a time.If you don't have that available. Another option would be a screwdriver. You just kind of get that under the seal, and turn it. And see, that'll allow you to also pop that out. We've taken care of our race. Our inner bearing. Our seal. The last component, before we put our hub back in place is going to be our outer bearing. Now with this bearing, I'll show you the hand packing method.This is definitely . Slightly dirtier method than the bearing packer. When we get grease on our hand we want to look at the larger side of the bearing. This is the smaller side. We have a larger side In between the inside and outside there's a gap. We can see our rollers in there. We want to grab that, and use that gap and shove grease inside of it. Now this is going to take a little bit, you want to work in the same spot until you get the grease pushed all the way through. We can see on the top there we've got a little bit starting to come through.And once we push it in the bottom, and you see it start coming out the of the top in those little drips, it's going to indicate that, that section's fully packed. Just need to work all the way around their outside edge now and do the same thing. Alright, once that's all the way around . The bearing will be ready for use.Now one more thing I like to do. We can see our inner bearing there, and our outer bearing. Well between the two, got a pretty big gap in there. If you'll take a . Pretty good amount of grease. We're just going to go all the way around. See how we can go all the way around the inside and just line that really well. The more grease we have in here, the less chance we have of any moisture getting in there, which can cause corrosion, rust, pitting. Pretty much things we do not like when it comes to bearings, races, and hubs.Put plenty of grease in there. And then this one does have the easy lube spindle, that'll even fill it in more. Now we can get our assembly slid on. I like to keep my thumbs on that outer bearing, just to prevent it from . inaudible 00:15:28 pushed off there. Now we can put on the original hardware that we removed, in taking off our hub the first time. In our case, we had our washer and our nut.Now most commonly you'll see pliers similar to this being used. We basically want to get that tightened down. Once it's fully tightened down you'll feel some resistance in the hub. We back it off just slightly. That'll give us a little bit more freedom of motion there. Something you don't want however . Is any movement in, or out on your hub. You want to be sure that everything is compressed, and you don't have what's called end play. Which would be the play in and out.Once we've got that set, then you'll put on whatever tight keeper yours came with. Get that put back in place. Now with an easy lube style hub, you're going to place your grease gun on the end, and then you can just fill the remainder of that hub up.Now for your typical applications, you're either going to have a solid cap, or a cap that'll have a rubber plug in it. A solid cap's going to be for an axle without the grease inaudible 00:16:51 here on the end. Goes on there. Just knock it on with your rubber mallet. Same with the one with the plug. Just gives you a removable area there, be able to cap that off.We'll show you how to put that on. Now as alternatives as well, a lot of times on boat trailers and marine kind of situations. You'll see a bearing buddy. This is going to apply a little bit of pressure on the grease, you'll fill it up. This kind of comes out just a little bit. That applies constant pressure on the grease to make sure we don't have any air, or anything like that. Then there is also an oil bath hub available. Now this is going to be for use with seals that are going to be designed specifically for oil bath use. You'll have to change that seal.We're using a double lip seal. There are also single lip seals available. Of course a double lip seal is going to give you just a little additional security. Keep that in mind when you order. But let's get this knocked on there now so you can see how that works. We just want to take the cap, we're going to center it. This is going to be very similar to what we did with the seal. And then just gently start tapping it around the outside. And it'll seep down on there for you.It's really going to be the same thing that you'll do with any of the end caps. Now with this side done, it's a good idea to take care of all the other hubs. Get them all on the same maintenance schedule. And as long as you'll periodically check the grease, take your trailer out for a trip occasionally. Just to keep everything lubricated. It should extend the life of these parts, and give us years of good service.

Customer Satisfaction Score:

Customer Reviews

Bearing Kit, LM67048/25580 Bearings, 10-36 Seal - BK3-300

Average Customer Rating:  4.7 out of 5 stars   (264 Customer Reviews)


Three out of four BK3-300 kits were packed correctly. However, an incorrect grease seal GS2125DL was packed in one kit instead of GS2250DL. Unfortunately, I installed the seal in the drum and put the drum on the spindle before recognizing something was wrong. It was just a little too hard to rotate with that smaller ID grease seal. Fortunately, I removed the drum and corrected the problem before putting it on the road.

The races and bearings were correct in all 4 kits. You guys owe me a GS2250DL.

I've done business with etrailer for years and this is the only issue I have experienced.

Etrailer Expert

Jenny N.


We do owe you a seal for sure. I will have our Customer Service team contact you about a replacement.


I ordered parts from the over night free people, replaced race, pack and installed new bearings new grease cap installed wheel put nut on as hard as I tried could not get wheel to make a complete circle loosened nut tried again nothing took apart could not see anything wrong reinstalled still would not turn. I decided to re order parts this time from the people who specialize in trailer parts (etrailer) all new races all new bearing all new grease seals put it together and it spin like a roulette wheel. THANK YOU - THANK YOU - THANK YOU Kathrine you are the bomb and thank you etrailer. Learned my lesson the hard way.


Great products and superior service. I can always count on trailer!


The kit that I ordered was complete and I am satisfied with its quality and correctness. Ordering this kit was easy and verifying the part numbers I needed as well. I admit that I ordered the wrong set from Amazon, somewhat my fault and the other was overwhelming information with hidden details. This resulted in several wrong parts and several right parts. etrailer for the win.


Perfect fit for LCI 5200lb axles. No Castle nut or washer, so retain and reuse the OEM ones. New cotter pin which was nice.


Excellent product and service as always



Working great. No problems whatsoever. Thanks Etrailer for a great company to deal with


Parts received quickly. Confirmed they were correct and have installed the new bearings. My only suggestion would be to package the seals separately. They were packing in the envelope with tapered wheel bears loose. I would have been in bind if the seals were damaged!


Easy process
3rd time using you guys

And will continue to do so for all my other trailers


Everything came as ordered, and fit per fectly.


I purchased a set of two to keep in the RV as a “just in case” part. Hope I don’t need them while traveling.


Exactly what I needed.


The web site recommended this bearing set for my travel trailer, but was wring. My outer bearings were different than the ones shipped and it was too late to make an exchange before my trip so I needed to keep the wrong bearings and purchase replacements locally.


Everything I needed fit perfect.


The Bearing Kit worked great no issues far as fit, performance, and function. The customer service person also very helpful with purchasing the right kit for our 2019 Jayco 25.5 REOK. I will use etrailer in the future because of the excellent customer service and quick response to my questions regarding their products.


Great product just wish they were in a package or bag to help stay sealed


These are not, domestic made bearing, they are chinese. This is the best price anywhere I have found bearings and seals. Super good price. Shipping way low. Shipping time 2 days. I call that perfect. 5stars. thanks



NO problems with the bearings, all worked out fine, thanks


a match for what was on a 2010 Hallmark trailer


Quality was a little less than I expected but price reflects that



Price definitely reflects the quality not top of the line but you get what you pay for.


Delivered as ordered. Prompt service.



Using it as a spare. Have not installed it yet.


I had a bearing go out less then 200 mile after General RV serviced my camper. I had to camper repaired at another dealer.these bearing are just in case I ever need to do an emergency replacement again.


I was told by local shops that this bearing kit did not exist,
Plus the price bought separately was about $40.
E trailer had them at a great price.
Got them quickly and had no trouble installing them works great

Etrailer Expert

Katrina B.


There are a couple of reasons that could cause the taillights to not function. The wire on the harness that is in control of these lights would be the brown wire [I have a diagram below for your reference]. The first thing that we recommend is to use a wire tester and test the brown wire on the harness to make sure that there is power. You can use part # 40376 [product info below] to test the wiring. We recommend testing the brown wire, and the pin to that wire on the 4-way plug. If those are showing that they are getting power, then you would have to check the wiring on your vehicle to make sure that power is coming from that wiring. Please note that not all vehicles have the standard wiring colors, and so, you will need to check out your owners manual in order to confirm which wire is for the taillights.


as I placed my first order and actually used a photographers loop to try and get the numbers off my old bearings I have to admit I wasn't sure I was getting the right bearings because the numbers were so hard to see but even though the trailer company no longer exists there seems to be some kind of standard as I found out with etrailer . anyway , the fitment is great and I just ordered two more sets for the other side of my trailer , thank you ,


Perfect replacements and I'm back to like-new condition. Worth every penny for the peace of mind.


perfect fit and at the right price


Verry knowledgeable fast and friendly s ervice

Show More Reviews

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  • Diameter of Hole Where Grease Cap Sits on 6K Dexter Trailer Idler Hub With 6 on 6 Bolt Pattern
    The diameter of the pilot hole - where the grease cap will be - of the Dexter Trailer Idler Hub Assembly for 6,000-lb Axles - 6 on 6 - Agricultural # 42660UC1 is 2.446 inches. The correct grease cap to use with this hub is Grease Cap # F001520. This hub does not come with bearings, races, grease seal or cap so you will also need Bearing Kit # BK3-300. This kit has all the correct bearings, races and seal for this hub. I have added links to video reviews for you to check out as well.
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  • Recommended Brake And Bearing Kit For A Lippert Components 045-003696589 5,200lb Axle
    Thank you for the all the information you provided it made it a lot easier to find the correct brakes and bearings for your 2015 Highland Ridge Mesa Ridge Travel Trailer. You'll need the Lippert Electric Trailer Brake Assembly # LC44QV and Lippert Electric Trailer Brake Assembly # LC64QV for the brakes. For the bearings you'll need the Bearing Kit, LM67048/25580 Bearings, 10-36 Seal # BK3-300.
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  • Replacement Bearing Kit, Spindle Washer, & Nut For 5,200 lb Lippert Trailer Axle
    We do have the correct bearing kit, along with the spindle washer and nut for your Lippert 5,200 lb axles. What you need are the following: - Bearing Kit # BK3-300 - Trailer Spindle Nut # 165686 & Washer # SW1000
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  • Bearing Kit for Lippert 5,200 lb Axle on Grand Design Reflection
    We have the exact bearing kit you need for the 5,200 lb Lippert axle on your Grand Design Reflection, which is the following part number: - Bearing Kit # BK3-300 I verified directly with Lippert that this is the correct bearing kit for your axle. Then for grease I recommend the LubriMatic Grease # L11380 with Bearing Packer # ALL647646.
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  • Replacement Bearing/Seal and Brake Assembly Kit for 5,200 lb Dexter Axles
    We have two bearing kits that will potentially work but you'll need to measure the spindle where your seal rides to know which kit you'd need as the only difference is the seal inner diameter. If the dimension you find where the seal rides is 2.125 inches in diameter you'd need the part # BK3-310 or if you have the 2.25 inch spindle diameter you'd want the # BK3-300. Then for a set of self-adjusting brake assemblies you'd want the 5,200 lb set part # AKEBRK-7-SA and you'd be set.
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  • How to Determine the Weight Capacity of a Dexter Axle Based Off the Inner and Outer Bearings
    Though there can be some variations, the # GS-2250DL (10-36) seal would lead me to believe you have a 5,200 pound or 6,000 pound axle. Especially with a 6 on 5 1/2 bolt pattern on the hub. It would not hurt to pull one of said hubs off to verify your bearing numbers to double check, however. If the Inner Bearing reads # 25580 and the Outer Bearing Reads # LM67048, you will have a 5,200 pound axle. To replace the internal parts of the hub, you would need the bearing kit # BK3-300 and EZ...
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  • Replacement Hub/Drum and Brake Assemblies for AL KO 4,400 lb Trailer Axle
    While your pictures do indicate that you have an AL KO 4,400 lb axle the actual brake assemblies you have is a Dexter 3,500 lb assembly part # 23-26 or for the pair # 23-26-27. When it comes to replacing your hubs, based off some previous answers it looks like the Trailer Hub and Drum Assembly - 5,200-lb Axles - 6 on 5-1/2 Item # 8-201-5UC3 could be the right replacement for you, but you will want to confirm which bearings are in your existing hubs. This is the most reliable way to determine...
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  • Bearing Kit For 5,200 lb Dexter Axles
    We do have a bearing kit for your 5,200 lb Dexter axles; what you need is the following: - Bearing Kit # BK3-300
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  • Replacement Bearings and Seal for Lippert 5,200 lb Axle NOSP-OS-L-65516-7225-30PT
    According to my research the correct replacement bearings are parts # 25580 and # LM67048 with the replacement seal being part # GS-2250DL. These are available in the Bearing Kit # BK3-300. Just make sure that you have these bearings and that your seal has a 2.250" inner diameter and you're good to go! If it measures smaller than 2.250" then you need kit # BK3-310 which has the seal # GS-2125DL that has a 2.125" inner diameter.
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  • How to Determine the Correct Replacement Bearings for a Trailer
    If by serial number you mean VIN and the trailer manufacturer is still in business then yes, you would likely be able to obtain the bearing numbers from the manufacturer. If none of the above are true, then the only other way to determine which bearings are correct for your trailer would be to either measure them with a digital caliper to the nearest thousandth of an inch or read the numbers on them. If you need help with ether finding the bearing numbers or measuring the spindles you...
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  • Bearing Kit for Trailer Hub that Has Seal 10-54 and Bearings 25580 and LM67048
    The 10-54 Dexter seal is the same as the # GS-2250DL which has an inner diameter of 2.25 inch. Now if you were looking for a bearing kit that matches the bearings you have of 25580 and LM67048 the part # BK3-300 comes with everything.
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