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Expert Answers about Grease Caps


  • How to Determine Which Size Bearing Buddy Protector is Needed on a 1989 Heritage Trailer
  • To determine the correct size Bearing Buddy Protector you need on your 1989 Heritage boat trailer you'll need to remove the current caps and measure the diameter of the hub bore that they cover. You'll need to be exact as possible down to the 1000th of an inch. For example, the Bearing Buddy Protector # BB1781 fits a 1.781 inch hub bore.
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  • Bearing Buddy for 2.447 Inch Hub Bore
  • The Bearing Buddy Bearing Protectors # BB2441 referenced in your question are compatible with 2.441 inch hub bores. We do not currently have Bearing Buddies that fit the exact 2.447 inch dimension that you referenced, however this will be the closest option. I recommend verifying the size of your existing hub bore with a digital caliper like # PTW80157. Another option is to wipe away the grease on your hub to see if you can locate the outer bearing number, which will also help to identify...
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  • Bearing Buddy Recommendation for Fitting Hub Bore of 1.98 inch
  • Since you said the correct grease cap size is 1.98 inch the correct Bearing Buddy you need is part # BB1980A-SS.
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  • Shorelander Wheel Hub Stud Recommendation
  • Looks like you have a spline diameter of .56 inches and and threaded portion of 1/2 inch which is very popular. For that you'd want the part # K12WB2. I attached a picture that has a dimensional diagram for you to check out as well.
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  • Recommended Grease Cap for Lippert 4,400 Pound Trailer Axle
  • We do have a large selection of grease/dust caps currently available. To determine the size grease cap that will fit your trailer, you will need to measure the inner diameter of your trailer's hub bore. I recommend using a digital caliper like # PTW80157, as the measurement will need to be as accurate as possible. The hub's pilot hole should be just a tiny bit smaller than the cap so that the cap will fit nice and snug. Based on my research, the 3,500 pound hubs that your Lippert...
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  • Bearing Buddy Recommendation for Dexter Hub 8-219
  • The grease cap diameter for a Dexter hub part 8-219 is 2.7 inch so the correct bearing buddy then is the part # BB2717SS. This is the only style of bearing protector that's a fit for that hub bore that we carry.
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  • Can Bearing Buddies be Used on Utility Trailer
  • As long as you find the correct Bearing Buddy fit for the hub for your utility trailer there's no reason not to. Only reason it wouldn't be needed is if you have EZ lube spindles that have a zerk grease fitting on the end of them. In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use...
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  • How to Determine Correct Bearing Buddy Protectors for a Boat Trailer
  • The most sure way to get the proper Bearing Buddy Protectors for your trailer is to pull the hubs and get the bearing numbers. You can also just remove the grease cap, clean the grease, and then measure the pilot hole of your hubs. For example, the # BB1980A protectors fit spindles with bearings # L44643, # L44649 and # L44640 or a 1.980 inch hub bore. I've linked our entire selection of Bearing Buddy Protectors for you.
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  • Recommended Dust Cap with 3.125 Inch Diameter
  • The closest grease/dust cap we have available to the dimensions listed in your question is the Fulton Grease Cap # F001609. This cap has an outer diameter of 3.125 inches and a flange length of 0.296 inches. I have attached a short video demonstration on this product for you to check out.
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  • Will the 2.047 inch Bearing Buddy Fit a Bore Size of 2.012 inches
  • I believe that the bearing buddy that you hub bore diameter that you saw was the 2.240 inch size, part # BB2240, which will be too big to fit in your hub bore size of 2.012 inches. The next step up from the # BB1980A that you purchased (which fit hub bore size 1.980) will fit the hub bore size 2.047 inches and is part # BB2047. Since you want the fit to be as accurate as possible this size will be too big. I called Bearing Buddy and my contact confirmed this. Custom-built trailers can...
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  • Replacement Oil Seals For A 2007 EZ Loader Single 3,700 Lb. Axle Trailer
  • Thank you for the VIN. You are correct in that a failing oil seal will cause oil to escape from the bearings therefore, you will need to replace your seals. I called EZ Loader and they informed me that you have a 3,700 lb. axle. In order to replace the oil bath seals, I recommend using Kodiak XL ProLube Kit part # XLPROLUBE1980KIT. Depending on the amount of water that leaked through the seals, you may also want to replace the bearings and races depending on the amount of rust present...
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  • Size Bearing Buddy Recommendation for Hub Bore Measures Near 2-3/8 inches
  • We have a couple options near that size but you need to get an exact diameter with a caliper like part # PTW80157. If you have 2.328 inch hub bore you'd need the part # BB2328SS or if you have 2.441 inch you'd need the part # BB2441SS.
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  • If Grease is Gritty in Bearing Buddy Should Bearing Buddy Be Replaced
  • If there is possible metal shavings or dirt inside the Bearing Buddy the best recommendation I can make is to replace what you have so that you don't end up missing something small while cleaning that would end up damaging the bearings. It's basically a cheap insurance policy. For a replacement you would want the part # BB1980A.
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  • Recommended Seal For Bearing Buddy Protectors
  • The Bearing Buddy Bearing Protectors - Model 1980A-SS w/ Auto Check - Stainless Steel (Pair) # BB1980A-SS are designed for that blue seal to expand and eventually have visible grease around that edge. I've attached a video that shows this installation and grease application for you. The grease needing to be applied almost every trip is not normal, so I recommend the Spindle Grease Seal Set # BB60002 to contain your grease with a tight seal intended for this application.
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  • Do Hub Races Have to Be Changed if Different Brand of Bearings Are Installed
  • No, so long as you replace your worn bearings with appropriate equivalent ones from another brand the races do not automatically have to be changed too, but there is certainly a chance that if the bearing are shot the races may have wear too. This should not be difficult to see though. You can inspect the races and your spindles for signs of scoring or discoloration from excess hear. If they all look good then replacing your bearings alone is okay.
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  • Are Trailer Axle Grease Caps Waterproof
  • A grease cap like # RG04-020 is primarily intended to keep grease inside your hub bore and keep contaminants like dirt out. They are not totally water-proof by any means but they certainly do provide a degree of water-resistance. Mostly what keeps water out of your hubs is the full level of grease inside them. That is why folks like EZ-Lube spindles since they make it so much easier to ensure your hubs' grease level is always full.
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  • Brake Selection for Tandem Axle Trailer with E-Z Lube Spindles
  • If your tandem trailer has E-Z Lube spindles with a grease zerk fitting then you do not need Bearing Buddy bearing protectors like # BB1980A-SS. These are needed on axles without such a built-in lubrication feature. Instead you can use an E-Z Lube grease cap such as one of those shown on the linked page. When a tandem axle trailer is to have brakes installed on only one of its two axles the axle that should have the brakes installed, the front or rear axle, depends on the axle type....
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  • Can Bearing Buddies be Used on a Travel Trailer
  • Bearing Buddies are intended for marine use but they can be used on a travel trailer. They'll help keep dirt and moisture out. You'll also gain the benefit of being able to grease the bearings using the Bearing Buddies because of the zerk fitting.
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  • Replacement Dust Cap/Grease Cap For Older Boat Trailer With Cap Measuring 2.312 Inches
  • For your boat trailer I recommend the Bearing Buddy Bearing Protectors - Model 2328 - Chrome Plated (Pair) # BB2328. These are designed to have extra grease and keep water out of your hubs so they can be completely submerged. If you are looking for a standard grease cap, the closest we have to your 2.312 measurement is the Fulton Grease Cap - 2.333" Outer Diameter - Drive In # F001601 which should work.
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  • How is Grease Level of Bearing Buddy Checked
  • Grease can be added to the hub through an easily accessible grease fitting located in the center of the Bearing Buddy piston. Lubricant level can be checked by pressing on the edge of the piston. If you can rock or move the piston, the hub is properly filled. If the piston won't rock or move, add grease until piston moves outward about 1/8 inch. When adding grease, always use a hand grease gun. An automatic grease gun will destroy the hub's inner seal.
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  • What Type of Grease Cap is Recommended for Fitting Trailer Hub with Grease Fitting on Spindle
  • You have an EZ lube spindle so you would not need to use a Bearing Buddy. If your hub bore is 1.98 inches (where the cap installs into the hub), then the correct cap for your application would be the part # DC200L-DCRP that you referenced. The rubber cap of this cover can be removed to allow you access to the grease fitting you mentioned.
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  • Troubleshooting Axle Oil Caps That Crack During Winter Storage Periods in Wisconsin
  • The hub oil caps like # RG04-300 that you've purchased from us (thank you!) are made of tough polycarbonate material but since they will not expand and contract at the same rate as iron hubs they may crack under pressure, quite literally as you've experienced, in extreme cold. We have not heard of this issue before, but since you live in the state of Wisconsin, where I have found myself in January on occasion and where winter cold means REALLY cold, I think your remedy is to slightly...
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  • Bearing Buddy and Standard Grease Caps to Fit 1.98-Inch Hub Bore
  • All Bearing Buddy bearing protectors have the same depth, just different diameters. Also, some are threaded to fit threaded hubs while others are not. If your spindles have a grease zerk fitting on the end you will not need to use a Bearing Buddy; that grease zerk means you have EZ-Lube spindles which provide an alternate way to maintain your hubs grease level. For such spindles use part # RG04-040 If it is the actual castle nut that hits the inside surface of the Bearing Buddy then...
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  • Grease Cap Recommendation to Fit Hub of Harbor Freight Utility Trailer with Bore 2.050 inch
  • The best option we have is the Bearing Buddy part # BB2047 which is a fit as it is designed to fit hub bores of 2.047 which is very close to what you have.
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  • How to Pick Out Bearing Buddies for PWC Trailer
  • In order to pick out the correct bearing buddy you will need know the hub bore diameter of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS are for hubs with a 1.98 inch hub bore.
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  • How to Add Grease to Hub that Uses Bearing Buddies
  • Using a Bearing Buddy to grease a hub can easily allow you to over fill the hub and blow out a seal. The zerk fitting where you insert the grease is sitting on a spring loaded disc or piston that will move outward away from the hub as grease is added. Push on the edge of the piston with your finger. If the disc doesn't move, add grease until the piston moves. If you can turn the wheel by hand while you are doing this it will help distribute the grease in the hub as well. I attached...
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  • Dimensions of Bearing Buddy BB2240SS
  • The Bearing Buddy Bearing Protectors - Model 2240SS - Stainless Steel (Pair) # BB2240SS have a lip that is 3/8 inch that drive into the hubs. The inside of the Bearing Buddy from the edge to the retaining snap ring measures 1 inch on the inside.
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  • Replacement Oil Bath Cap For Double Axle Pontoon Trailer
  • It sounds like you have 3500 lb axles, and if that is the case you will want the Kodiak XL ProLube Oil Bath Hub Body and Cap - 1.98" # XLPROLUBE1980. To confirm that fit, I recommend you use a caliper like # PTW80157 to confirm the hub inner diameter as the slightest difference can cause leaks and possible damage.
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  • Replacement Bearing Buddy for Boat Trailer
  • It sounds like you're looking for a replacement Bearing Buddy. The closest Bearing Buddy we carry to 1-3/4 inches is # BB1781 which fits a 1.781 hub bore. It works with outer bearing # LM11949
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  • What Is The Advantage To Installing Bearing Buddies?
  • Bearing Buddies give you a similar option to your EZ Lube axles, but they take it one step further to provide a better seal to keep water out. They move the grease hub out further to better protect your hub and bearings and then add the rubber cap that goes over the assembly so you can have the hubs completely submerged without any issues. This partially accomplished by maintaining a slight controls pressure of 3 psi with spring-loaded piston that prevents water from entering hub. Unfortunately,...
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  • Will TruRyde Dust Cap Work with Sure Lube Grease System on Karavan Trailer
  • Yes, the # DC250L-DCRP dust cap will work with the Sure Lube system on your Karavan trailer.
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  • Bearing Kit and Dust/Grease Caps for Coleman Mesa Camper with L68149 and L44649 Hub Bearings
  • As far as bearing kits go # BK2-100 is the only one that has both the L44649 and L68149 bearings. The seal that is included is a 10-19 with an inner diameter of 1.719 inches and outer diameter of 2.565 inches. Based on my research this is the correct seal. Your hubs should have a center hole for the grease cap that is a little under 1.99 inches. Use calipers such as # PTW80157 to measure the hub bore to be certain. For a set for EZ Lube axles use # RG04-040. For a set of regular caps...
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  • Bearing Buddy For 2003 Fleetwood Folding Trailer
  • If the inside diameter of the hub bore on your trailer measures 1.98 inches then part # BB1980A-SS would be the Bearing Buddy you can use. You can use a digital caliper like part # PTW80157 to measure the inside bore of your trailer hub to make sure you get the correct parts. I have attached a link to our product page for the Bearing Buddys we offer.
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  • How to Remove Dust Cap on Snowbear Utility Trailer
  • The dust or grease caps on your Snowbear Utility Trailer should just pop out and in. I recommend using a flat head screwdriver to pry them out or tap them from side to side with a hammer. Then to install new ones, you can just gently hammer them in. If you are still needing replacement grease caps, you will want to measure the inner diameter of the hub where the cap fits. I recommend using a digital caliper like # PTW80157 to get the most accurate measurement possible. For example, the...
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  • Could Kodiak XL ProLube Kit XLPROLUBE2440KIT Fit 7,000 lb Dexter D70 Hub
  • If the bore on your hub matches what the Kodiak XL ProLube Kit # XLPROLUBE2440KIT is designed to fit at 2.44 inches this kit would work well in the hub. When picking out replacement caps or in this case using this kit to convert to oil bath all that really matters is matching the seal and hub bore dimensions. The seal dimensions are 2.25 inch inner and 3.376 inch outer.
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  • Dust Cap Recommendation for Trailer Hub that is Slightly Smaller than 2.5 inch
  • We have dust caps that have an outer diameter of 2.441 inches which would be a little bit smaller than what you tried. For that you would want the part # RG04-080.
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  • Bearing Buddy Recommendation for Fitting Hub Bore that Measures 1-15/16 inch in Diameter
  • The correct Bearing Buddy for fitting a hub bore that measures 1-15/16 inches is the Bearing Buddy part # BB1938SS which is a fit for 1.938 inch bores. Which 1-15/16 inch in decimal form is 1.9375 inch.
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  • Will Bearing Buddy Model 2080 Fit Hub with 52mm Grease Cap
  • The Bearing Buddy Bearing Protectors - Model 2080 # BB2080 referenced in your question may fit the hubs on your Venture trailer, however instead of measuring the grease cap, the best way to ensure these will be the correct fit is to measure the diameter of the hub bore. I recommend using a digital caliper like # PTW80157 to get the most accurate measurement possible. These Bearing Buddies are designed for 2.080 inch hub bores. If this is the measurement you get on your existing hubs,...
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  • Replacement for Oil Cap 21-88 for 9K, 10K, and 12K Oil Bath Trailer Axle Hubs
  • You have found it! Oil cap kit # RG04-300 includes the 21-88 oil cap you are looking for. The plug and o-ring are also included.
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  • Oil Seals and Outer Cap To Change From Grease Axle Bearing To Oil
  • To ensure I get you the right parts, I need to know the hub bearing numbers printed on the front of the inner and outer bearings as well as the grease seal number. If we can find a match, I can help you with the oil kit. If you can't find the numbers on the bearings, you can use a digital caliper to assist with the inside diameter of the bearing and the outside diameter of the axle spindle. Please see attached photo for assistance.
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  • Dust Cap Recommendation for Ranger Trail Boat Trailer with Hub Bore of 2.326 inch Hub
  • We have the Bearing Buddy part # BB2328SS which is designed to fit the hub bore of 2.328 which would be the closest cap solution we have. It would be tight but it would fit.
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  • Installation Torque Value for Kodiak Replacement Grease Cap KPCAP
  • Since the Kodiak grease/oil cap # KPCAP is made of tough UV-resistant polycarbonate you don't need to worry about the torque recommendation on the item. Polycarbonate is a very tough material and you can rest assured that Kodiak would not indicate an inappropriate torque value on their product. Note also that torque is always specified as a range of values, not one specific value. On initial installation a new part will likely snug up at the lower end of the torque range. If it has been...
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  • Which Bearing Buddy Will Fit Trailer with Hub Bore Diameter of 1.745
  • The Bearing Buddy Bearing Protectors # BB1781SS represents the closest dimension to the measurement you provided that we currently have available. These are designed to fit 1.781 inch hub bores. If you are able to give me the outer bearing number that is installed on your trailer, I can check to make sure if this Bearing Buddy will work for you. The bearing number should be stamped onto the bearing itself. This Bearing Buddy works with outer bearing number # LM11949. I have also attached...
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  • Can Bearing Buddies be Used on a Travel Trailer
  • Yes! You can use Bearing Buddies on anything as long as you use the right size and as long as the axles are not EZ Lube axles with the grease fittings on the ends of the spindles. If your outer bearings are L44643, L44649, or L44640 then you can use # BB1980A-SS. Checking the outer bearing number is pretty easy. You will not have to take off the hub. You will just need to take off the castle nut and any washers in the way, wipe the grease away from the bearing, and check the number...
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  • How to Determine Correct Bearing Buddy for 2011 Newmar Kountry Star 5th Wheel Trailer
  • In order to determine the correct bearing buddy for your 2011 Newmar Kountry Star 5th Wheel, you will need to locate the outer bearing number or take a precise measurement of the hub bore using a digital caliper like # PTW80157. This will ensure you will find the correct buddy bearing. For example, the Bearing Buddy Bearing Protectors # BB2717 fit a 2.717 inch hub bore and works with outer bearing models 14124 and 14125A. It is commonly used with 5,200 - 7,000 pound Dexter Axles, which...
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  • Recommended Bearing Protectors for Boat Trailer Hubs with a 1.98 ID
  • If you have a hub that requires the protector to be threaded in I recommend the Bearing Buddy Bearing Protectors # BB1980T-SS, but if you just need protectors that you tap into the hub with a block of wood and hammer, then I recommend the Bearing Buddy Bearing Protectors # BB1980A-SS. Both of these will fit a hub with an Inner Diameter of 1.98 and are constructed of stainless steel which will help prevent corrosion. They have a grease zerk fitting to make it easy to add grease and a cover...
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  • Dust Cap Recommendation for Ranger Trail Boat Trailer 9606087
  • You will want to use a dial caliper or micrometer to measure the inner diameter of the hub you have on your trailer to determine what size cap would be needed. Check out the picture I attached that shows this measurement being taken on a hub. I wish there was a different way but this is the only reliable method. I attached a link to all the grease caps we offer, once you know what size you need check out the link I attached to see all the sizes we offer.
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  • Replacement EZ Lube Dust Covers on Trailer Axles
  • The dusts caps that fit the EZ Lube axles fit different size holes of the brake drum or hub. For example, # RG04-040 will fit EZ Lube axles with a 2 inch inner diameter. I have linked a page that will show all the EZ lube dust caps and the different cap sizes. You will have to have your tech measure the trailer hub to figure out which cap you will need.
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  • Water Contamination in the Kodiak XL ProLube Kit for 3500-lb Axles
  • If you are wanting to change your oil bath Kodiak ProLube Kit, # XLPROLUBE1980KIT, due to water contamination, then the Bearing Buddy Bearing Protectors, like # BB2441SS, would be a great option for your trailer axles. The Bearing Buddy Protectors will allow you to keep your bearings well greased and at the same time protect against water contamination. You will need to know which size hub bore you have on your hubs and you will need to replace the seals. If you have your inner and...
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  • Is the Threading on the Redline Oil Cap Kit 10-12K # RG04-250 Left Handed or Right Handed
  • The threads on the Oil Cap Kit 10-12K, part # RG04-250, are right-handed, or what we would consider to be normal threads.
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  • How to Pick Out Bearing Buddy for Boat Trailer
  • In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy.
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  • How to Pick Out Bearing Buddy Size for Trailer
  • In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a 1.98 inch hub bore.
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  • How to Pick Out Bearing Buddy
  • In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a 1.98 inch hub bore.
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  • Do Bearing Buddies Work Well on Travel Trailer Hubs
  • Bearing Buddies are a great way to keep grease in a trailer hub. I recommend them as long as you are aware that it's very easy to put too much grease in a hub with these which will blow out the seal. They have no problem being used on longer road trips so the would work well for you. If the hub bore of current hub is 1.980 inches the Bearing Buddy part # BB1980A would fit and work well.
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  • Bearing Buddy to Fit 2.5 inch Hub Bore of Lippert 5,200 lb Axle
  • Bearing Buddy does make a 2.52 inch option which is part # BB2562SS. These are a great option to make greasing the hubs easier, but you have to be careful not to pump too much grease in the hub as it can blow a seal pretty easily. In a majority of cases where we see someone blow a hub seal quickly after replacing it they used a Bearing Buddy to put too much grease in the hub.
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  • Does Kodiak XLPROLUBE2440KIT Fit Kodiak Disc Brake Kit # K2HR712 to Convert to Oil-Bath
  • I apologize for any confusion but the # XLPROLUBE2440KIT would be exactly what you would need to convert the Kodiak Disc Brake Kit # K2HR712 to oil-bath as that's what it's designed to do. The included caps have a drive-in section that is threaded on the other end so that it can fit the hub and then also seal like oil-bath hubs.
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  • Recommended Disc Brake Hub Kit To Use With Kodiak XL ProLube Kit
  • The Kodiak XL ProLube Kit, part # XLPROLUBE2440KIT is not a fit on the # K2HR712 disc brake kit you mentioned because the hub is not threaded on the # K2HR712. I do have a solution that will work for you. I recommend part # K2HR79. This kit will fit the same size spindle, has threaded hubs which will work with the lube kit, and is rated for the same size wheels as the # K2HR712. The only difference is the size of the wheel bolts. The # K2HR79 has 9/16-inch bolts, where the # K2HR712...
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  • EZ Lube Grease Cap Recommendation for Part Number 021-042-01
  • The grease cap you need is part # 21-42-1. The rubber plug that you would then need is the part # RG04-010. We are going to need to know the width of your current grease cap on the other trailer to pick out a Bearing Buddy. Or you can measure the inner diameter of the hub bore where the cap sits.
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  • Availability Of An EZ Lube Trailer Wheel Center Cap With 3.75 Inch Measurement
  • We don't have anything near a 3.75 inch measurement, so I just want to make sure we are on the same page. I've attached a photo to help you determine the measurement I need and it is best to use a digital caliper like # PTW80157 so we can get precision down to the thousandths.
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  • Will Bearing Buddy BB1938 Fit Spindle Nut that Sticks Out 1-1/8 inch
  • Your spindle nut extending beyond the hub about 1-1/8 inch is pretty normal. The depth of the Bearing Buddy part # BB1938 easily accommodate that and based on your other dimensions would fit in that regard as well.
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  • Recommended Bearing Buddys For 2,000-Lb Axler Idler Hub Assembly
  • For your Idler Hub Assembly, part # AKIHUB-440-2-G-1K the Bearing Buddy that is designed to fit is part # BB1980A. These are chrome plated and include rubber covers. We also have the stainless steel Bearing Buddy that will also work. For those you would order part # BB1980A-SS.
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  • What is the Depth of Bearing Buddy BB1980A-SS One Installed in Hub Bore
  • I went to our warehouse and pulled a sample of the Bearing Buddy kit # BB1980A-SS that you referenced so I could measure it for you. From the shoulder (the point that remains outside the hub bore) out to the outside edge of the stainless housing the depth is 37mm or 1.46-inches. The flexible plastic dust cap will add roughly another 3mm or 0.12-inches to that depth if installed on the stainless housing.
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  • Bearing Buddy Recommendation for Trailer Hub Marked 8-247
  • For a Dexter Hub that is stamped 8-247 the correct Bearing Buddy would be the part # BB1980A.
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  • What is the Torque Rating For Oil Cap Kit RG04-300
  • For oil cap # RG04-300 I recommend tightening to 20 to 30 foot pounds. Be careful using tools though since the cap is plastic it could break if it is overstressed.
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  • Buddy Buddy Recommendation for Trailer Hub with Bearings L44649 and L68149
  • The correct Bearing Buddy to use with the bearing numbers you listed of L44649 and L68149 is the # BB1980A or # BB1980A-SS for stainless steel.
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  • Can Bearing Buddy Bearing Protectors Be Used For Hub Bore that Measures 1.99 Inches
  • I went to our warehouse and measure the Bearing Buddy protectors, part # BB1980A-SS that would be the closest size you need. They all measure 1.983 or 1.982 inches diameter. If you measure your inside hub bore and find it is smaller than the 1.99 inches you asked about then the # BB1980A-SS would work for you.
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  • I Need Replacement Axle Oil Caps For My 1999 Fleetwood Bounder 34J Class A RV
  • Thank you for all the information you gave. I have the replacement parts you need. It is the Oil Cap, Plug and O-Ring for Dexter 7-9K Trailer Axles, # RG04-230. I also reached out to my contact at Dexter and confirmed this is the proper cap for your vehicle. I've included a review video for this product that references the specific part numbers you referred to.
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  • Bearing Buddy Recommendation to Replace Dust Cap that Measures 1.964 inches
  • The closest Bearing Buddy we offer which would be a fit is the part # BB1968. This fits the outside diameter of the cap you mentioned as it measures 1.968 inches.
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  • Can Air Escape Trailer Hub Seals When Filling with Grease with Bearing Buddy
  • Grease seals are not air tight so the air would be able to escape as you fill the hub up. They are tight enough to keep the grease in though. Grease does breakdown over time so you do occasionally need to add more. The grease seals are also not totally sealed. They do a pretty good job sealing but in general contaminants can still find there ways in.
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  • Replacement Grease Cap For Nationwide Pontoon Trailer
  • I can absolutely help you with this part. It sounds like for the deep dish, you may be looking for an EZ Lube Drive-In Grease Cap, that is # 21-41-1. There are grease cap plugs for the EZ Lube # RG04-010. I reached out to Nationwide Pontoon Trailer and they let me know the size needed and these are a fit for your trailer. If you prefer the rounded metal style, your replacement bearing cover is Grease Cap # RG04-020.
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  • Grease Cap Recommendation for Trailer Hub part # 34822BX
  • The Grease Cap # F001518 is a confirmed fit for the hub part # 34822BX that you have.
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  • Is There a Bearing Buddy that is Threaded Comparable to a 2240?
  • I contacted Bearing Buddy to see what threaded cap they recommend for your application to convert from oil bath to grease. They said that the Bearing Buddy Bearing Protectors, # BB2441SS, is most likely the application for your trailer based on the 2240 question. This Bearing Buddy threaded grease cap has 12 threads per inch, as does # BB2080T-SS, but there are other threads like the # BB1980T-SS which has 24 threads per inch.
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  • Diameter of Dexter Oil Hub Plug # 46-52
  • I went and pulled a Dexter Oil Hub Plug # 46-52 from our warehouse to measure it and found it to be 1/2 inch where it inserts into a cap.
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  • Parts Needed To Change Trailer Hubs From Grease To Oil Bath
  • In order to be able to change your hubs from using grease to an oil bath you need a couple items. For the hubs you said have an inner diameter of 2.44 I recommend the Kodiak XL ProLube Oil Bath Hub Body and Cap, part # XLPROLUBE2440. This has the hub body that fits in your hub and a cap with threads. You will also need the Unitized Oil Seal, part # 10-63 for your hubs. This is a dual action seal. The inner part of the seal stays fixed in place on the spindle and the outer part turns...
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  • Where to Measure to Pick Out Bearing Buddy for a Trailer Hub
  • Actually the dimension you are looking for when picking out a Bearing Buddy is on the hub and not the spindle of the trailer. You need to remove the cap of the hub and then measure the diameter of the bore with your mic and that is the dimension needed. See picture. The part # BB1810 that you mentioned is the correct Bearing Buddy if you have a bore of 1.81 inches.
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  • How to Pick Out Bearing Buddy for Trailer Hub
  • In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a 1.98 inch hub bore.
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  • Replacement Grease Cap to Fit 16 Foot Scamp Deluxe 1998
  • The grease cap # RG04-040 that you linked has an outer diameter of 1.99 inches and is for E-Z Lube Axles. You'll need to measure the inner diameter of your trailer hub's bore to find which is the exact replacement you need. This needs to be as exact as possible so the best way to measure is with a digital caliper like # PTW80157. If you find your hub bore to have a 2 inch inner diameter, then the # RG04-040 grease cap will fit well for you. If you find the hub bore to have a different...
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  • Bearing Buddy Recommendation for PWC Yacht Club Trailer Model WC112
  • To know which Bearing Buddy will work for your PWC Yacht Club Trailer, you need to get a measurement that is as accurate as possible. I recommend using a set of digital calipers like the # PTW80157 to measure the inside of the hub opening the Bearing Buddy will be used on. Once you find the inside measurement of your hub, you will be able to tell which Bearing Buddy will work. If your hub is 1.98 inches, part # BB1980A-SS will work well for you. Another way to find out what will...
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  • Which Oil Bath Cap Do I Need on a 2003 EZ Loader Trailer
  • In order to determine the correct oil bath cap you'll need to measure your hub bore or find the weight capacity of your axle. If you have a 3500 lbs. axle or a 1.98 inch hub bore you will want part # XLPROLUBE1980 or # XLPROLUBE1980KIT for a kit that includes caps, seals, and oil. For 5200 or 6000 lbs. axles that have a hub bore of 2.440 inches you will need # XLPROLUBE2440 or # XLPROLUBE2440KIT for the kit.
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  • Bearing Buddy Recommendation for Hub Bore of 2.32 inches
  • The closest Bearing Buddy we have to fit a hub bore of 2.31 inches is the # BB2328SS. This is for a hub bore of 2.328 inches. You might measure yours again with a digital caliper like part # 36554.
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  • Bearing Buddy Recommendation for Hub Bore of 1.97 inches
  • For a hub bore of 1.97 inches going with a Bearing Buddy part # BB1968SS would be the closest match. The .02 inch difference would only mean the Bearing Buddy would fit slightly easier.
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  • How to Measure Hubs to Select Correct Bearing Buddy Grease Cap
  • The correct Bearing Buddy for your trailer depends on the inner bore of your hubs. Thank you for the axle reference information but this tell us other things (axle length of 89-inches and spring seat spacing of 74-inches) but not which hubs you have on your spindles. The linked page displays all Bearing Buddy grease caps which are made in sizes to fit hub bores from as small as 1.781-inches, part # BB1781SS, up to 2.717-inches, part # BB2717SS. The best way to measure your hub bore...
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  • Replacement Boat Trailer Hub with Inner Bearing L44643
  • Repairing your boat trailer doesn't have to be a nightmare. I will help you to make it a sweet dream instead! You really should have both bearing numbers to ensure you get the right hubs for your trailer. The good news is you have to take the hub off anyway if you are going to replace it. Both of your bearings are likely L44643 but to be sure I would like to know the outer bearing number as well. If they are indeed both L44643 then hub # 8-258BTUC1 will fit if the wheel bolt pattern...
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  • How to Pick Out Replacement Grease Cap for Trailer Hub
  • That is a pretty bizarre interaction to have with the roadside tech. You will have to measure your hub bore to pick out the correct cap though. You will want to use a dial caliper or micrometer like part # PTW80157 to measure the inner diameter of the hub you have on your trailer to determine what size cap would be needed. I attached a link to all the grease caps we offer, once you know what size you need check out the link I attached to see all the sizes we offer.
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  • Availability of Bearing Buddy Between Size 1.98 inches and 2.33 inches
  • Like 2.047 inches? For that we have the # BB2047. Or for 2.24 inches we have the # BB2240. Your best option is to use a digital caliper like the part # PTW80157 to measure the bore of the hub to pick out the size that will fit it.
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  • Which Bearing Buddy Do I Need on My Utility Trailer
  • Since the 1.98 inch is just slightly too large then more than likely the 1.968 inch # BB1968 is going to be your fit. To find out for sure which Bearing Buddy you need you can check your bearings. If your outer bearing is M12649 or 07100 then you need the 1.968 inch. If you have outer bearing models L44643, L44649 or L44640 then you will need a 1.98 inch Bearing Buddy # BB1980A. Or if your outer bearing is model 09067 then you need the 1.938 inch # BB1938.
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  • How to Measure Hub to Select Bearing Buddy Grease Cap
  • I reviewed your photo and other photos of your H-F 90154 folding trailer and it appears to have grease caps far larger than 0.984-inches. It sounds like you were quoted a bearing dimension, not a grease cap dimension. What I suggest you do is remove one of the standard grease caps and measure the inside bore of the hub. You will need a caliper like # PTW80157 to measure to the nearest thousandth of an inch, e.g. 1.234-inches. You can then use the linked page to check for a Bearing Buddy...
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  • Replacement Grease Cap for Hub with Bore that Measure 1.980 inches
  • For your trailer hub that has a bore of 1.980 inches the correct grease cap is the part # RG04-020 that you referenced. The cap is tapered to allow you to press it into the bore you have on your hub. I attached a review video for this cap for you to check out as well. The grease cap should driven in so that it is fully seated. We offer a grease cap driver tool that can be used to drive in the cap without deforming it. For this cap you would want the part # 290-991.
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  • Does Zerk Fitting of EZ Lube Spindle Need to be Removed to Install Bearing Buddy
  • Yes, you will need to remove the zerk fitting of your EZ lube spindle to be able to install a Bearing Buddy.
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  • Where to Measure to Determine Correct Bearing Buddy for Trailer Hub
  • In order to pick out the correct bearing buddy you will need know the pilot hole of your hub. To do this, remove the wheel and tire and remove the grease cap from the center of the hub. Usually it is a metal cap that is just lightly hammered into place. Use a screwdriver to pry off the cap. Clean the grease off and measure the opening. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a 1.98 inch hub bore.
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  • Oil Cap Recommendation for Trailer Hub that Has Thread Diameter of 2-7/8 inches
  • Sounds like you are looking for the part # RG04-230 which is an oil cap that has a 2-7/8 inch thread diameter.
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  • Determining What Bearings Are Needed for a Tantrum Boat Trailer
  • The best thing for you to do is to get a set of digital calipers like the # PTW80157 and measure the spindle surface of your boat trailer according to the chart I've attached to this page for you to reference. If you get back to me with the numbers or measurements, I'd be more than happy to help you find what you need.
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  • Replacement Bra for Bearing Buddy Bearing Protector
  • The grease in your Bearing Buddy (and the grease behind it inside the hub bore) should have blocked any mud from actually entering the bearings. However, naturally you will want to make sure to remove all the dirt and any contaminated grease from the interior of the Bearing Buddy before re-filling it with your grease gun like # L30416. If you need a new bra for your Bearing Buddy we offer them in 3 sizes: 2-7/16-inch O.D. # BB23B (the original size included with your Bearing Buddy) 2-1/8-inch...
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  • Bearing Buddy Recommendation to Fit Trailer Hub that Has Bore of 2.25 Inches
  • The Bearing Buddy part # BB2240 that you referenced is going to be the model you would need. This has an outer diameter of 2.24 inches which is most likely what your hub actually has. These are tapered to though so that they will fit your hub either way.
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  • Bearing Buddy Recommendation to Replace Grease Cap that Measures 2.428 inches
  • The correct Bearing Buddy you would need would be the # BB2441. This has an overall diameter of 2.441 inches but is tapered so it would fit your hub.
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  • How to Pick Out Grease Cap, Bearings and Seals for 1999 Coleman Mesa Camper
  • I really wish there was a way to determine what bearings a trailer needed without actually pulling the wheel off and checking, but there isn't. The only two solution I have for you would be to remove the hubs and get the numbers that are stamped on the bearing or for you to remove the hubs and use a digital or dial caliper to measure where the bearings and seal ride (see pic). With that info I can help you figure out what you need. The best grease to use in a hub assembly is the "red"...
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  • Bearing Buddy Replacement Recommendation and How to Determine Replacement Bearings
  • I am confident we have the parts you will need, but knowing which Bearing Buddy you have on your hub does not guarantee that we know for sure what bearings your hub has. The Bearing Buddy you need is the part # BB1980A-SS. I really wish there was a way to determine what bearings a trailer needed without actually pulling the wheel off and checking, but there isn't. The only two solution I have for you would be to remove the hubs and get the numbers that are stamped on the bearing or for...
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  • Dexter Part Number Cross-Reference for Dust Cap DC250L-DCRP
  • I checked the Dexter Axle website for the part you referenced, 021-042-021, and it does not come up. The part # DC250L-DCRP that we carry is a 22-gauge zinc-plated steel dust cap with a rubber plug for use with E-Z Lube spindles. The dimensions of this cap are 2.45- x 1.52- x 1.18-inches. I linked our main page for all E-Z Lube Grease Caps.
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  • Bearing Buddy Recommendation for Dust Cap that Measures 1-15/16 Inch
  • 1-15/16 inches in decimal form is 1.9375 inches which means for a Bearing Buddy you would want the # BB1938SS for stainless steel or part # BB1938 for chrome.
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  • Can You Install an EZ Lube Hub and Drum on a Non EZ Lube Axle
  • Even though you do not have EZ lube axles you will be able to add EZ lube hubs and drums, however, you will not have the EZ lube feature on his axles by installing the EZ lube hub and drums. For you to be able to easily pack grease into your hubs and drums without an EZ lube axle, you will need Bearing Buddies. These replace the grease cap in the axle hub and will protect your bearings by keeping out water and ensuring enough grease is in the hub. I attached a diagram showing where...
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