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Bearing Buddy Bearing Protectors
Bearing Buddy Seals for Trailer Bearings

Bearing Buddy





Bearing Buddy Reviews and Installation Videos


Expert Answers about Bearing Buddy

  • Bearing Buddy Bearing Protector for a 2012 Karavan WCE-1250-46 PWC Trailer
  • The Bearing Buddy Bearing Protectors are designed to work with standard spindles and makes adding grease to the bearings quick and easy. They come in many different sizes so it is important that you use the correct Bearing Buddy for your hubs. I did some research on your 2012 Karavan WCE-1250-46 and it looks like it should have come with the sure lube system. The sure lube system is identified by a grease fitting at the end of the spindle. It is important to know if you have the sure...
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  • Bearing Buddy Bearing Protectors Needed for a 1965 Shasta Trailer
  • The Bearing Buddies, # BB2047, are pressed into the hub for a tight fit. To determine the correct part for your trailer hub you will need to measure the diameter of the grease cap mating surface in the hub and match that as closely as possible to the measurements provided on the bearing buddy product pages, see link. If your grease caps are threaded, the Bearing Buddies, # BB1980T-SS, # BB2441T-SS or # BB2080T-SS, may be the correct size for your hubs, measuring to determine the correct...
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  • Bearing Buddy Recommendation for a Springdale 179RD with 363180 Al-Ko Bearings
  • From the research I did it looks like the outer bearing of the Al-Ko bearing number 363180 that you referenced is basically a L-44649, which is what the Bearing Buddy Bearing Protectors # BB1980A-SS that you referenced are designed to work on.
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  • How to Determine the Bearing Size and Type of Spindle on a 2005 Trailstar Pro 185 Trailer
  • To find out the correct bearing and seal size for your 2005 Trailstar Pro 185 trailer, you will need to take apart the wheel hub assembly and get the numbers off the bearings and seals. The axle capacity of your trailer would help also. Once you have those numbers, then we can get you the correct bearings and seal. If there are no numbers on the bearings, you will need to take measurements on the spindle. I am including a link to our spindle main page. At the top of the page is a diagram...
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  • Replacement Hub Assemblies For 24 Foot Pontoon Boat Trailer
  • The best way to provide the correct hub for your spindles is to compare the bearing numbers. Check your existing inner and outer bearings for their reference numbers. I have enclosed a photo that shows where you should be able to find the numbers. When we get those numbers, I can recommend the correct idler hub for you.You mentioned the # L44649 bearings. We do have hubs that use that bearing but it is seldom that both the inner and outer bearing are the same. One of the hubs we offer...
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  • Bearing Buddy Bra for Bearing Protector on 2008 Shorelander Galvanized Boat Trailer
  • It looks like you are needing the bra for a bearing protector. We do not carry any bras that say Shorelander on them, but Bearing Buddy makes some that would probably work for you. Part # BB17B are 2 inch diameter, and the # BB19B are 2-1/8 inch in diameter.You would need to measure the outside diameter of your bearing protector to determine which bra is the correct one for you.
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  • Bearing Buddies for a Bearing with 1.625 Inner Diameter on a Motorcycle Trailer
  • Bearing measurements have to be as precise as possible so if you are not using dial or digital calipers you will want to get some. But that is only if you cannot read the bearing number on the outer bearing. It should be stamped into the metal of the bearing. The diameter of the Bearing Buddies is its outer diameter where it fits into the end of the hub. It is actually slightly larger than the opening because you need a very tight fit. If your outer bearing number is # LM-11949 then...
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  • Which Bearing Buddy for a 1989 Karavan Jet Ski Trailer with 1.97 Inc Diameter Grease Cap
  • If your existing grease cap is marked 1.97, you're probably needing Bearing Buddies for a 1.98 inch hub bore. The stainless steel model, part # BB1980A-SS would be ideal. Bearing Buddies and grease caps are meant to fit tightly, so be sure to verify the diameter of your hub bore. A digital caliper is best for this, as a ruler or tape measure usually isn't accurate enough. Bearing Buddies are only compatible with standard spindles, not EZ-Lube Spindles with the grease zerk.
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  • Can Bearing Buddys Install on an EZ Lube Spindle
  • If you wanted to install a bearing buddy like the part # BB1980A-SS on a EZ lube spindle you would first need to remove the zerk fitting.
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  • How to Select Bearing Buddies for 1966 Airstream 26 Tandem Axle Trailer
  • Given the age of your vintage Airstream it is possible that the hubs on it now are not the originals. In any case you can select appropriate-size Bearing Buddies based on the hub's bore. You will need to measure (with a precision digital caliper) the inner bore of the hubs, which is where the Bearing Buddy will be installed. You will need to measure the bore to the nearest thousandth of an inch, e.g. 1.980-inches. Once you know this dimension you can use the linked page to select a...
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  • How to Measure for the Correct Grease Cap or Bearing Protector for a Boat Trailer
  • It sounds like you need a grease cap or bearing protectors. The Bearing Buddy Bra, # BB19B, that you referenced covers the Bearing Buddy Bearing Protectors, like part # BB1980A. In order to choose the correct grease cap or bearing protector, I strongly recommend using a precise measuring tool such as a dial caliper. Hubs can have bores that differ by only a few thousandths of an inch, so getting an exact measurement will help us choose the correct cap for you. Check out the photo I...
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  • How To Determine Which Bearing Protectors or Grease Caps for 1999 Triton Aluminum PWC Trailer
  • In order to recommend dust caps or bearing protectors, I'd need to know the outer wheel bearing reference number. You could also use an accurate measuring device like a digital caliper to measure the diameter of the hub bore. If you could reply with either, I'd be happy to make a recommendation. I've edited a photo for you showing the information I need to make a suggestion.
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  • Bearing Buddy Bearing Protectors for 1993 Wells Cargo Enclosed Bike Trailer
  • Bearing Buddy model # BB1980A will fit a hub bore of 1.98 inches. Or it might be easier to look at the outer bearing number, which you should be able to see without removing the hub. If the outer bearing is L44643, L44649, or L44640 then these Bearing Buddies will fit. If you decide to measure the hub bore you will need to use dial or digital calipers because the measurement has to be as accurate as possible.
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  • How To Find Bearing Replacement For Harbor Freight Trailer
  • In order to find the best replacement bearings and seals for your Harbor freight Trailer, you will need to remove the wheel and hub and pull the bearings, seals, and races off your spindle. I have attached a photo that shows where you can find the numbers on those items. If you are not able to find the numbers on these items, you will need to take some measurements of the spindle with a precision instrument like a digital caliper in the locations as shown in the attached photo. Typically,...
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  • Selecting a Bearing Buddy Bearing Protector for Utility Trailer with 2-1/3-Inch Hub Bore
  • In order to select a Bearing Buddy Bearing Protector such as # BB2328 you will need to know the hub bore to the nearest thousandth of an inch (three decimal places), e.g. 2.328-inches. Bearing Buddies come in many sizes and the differences between them can be quite small. Also, some have threads to allow use in threaded hubs. The best way to proceed is to use a precision digital caliper to take your measurement. You can then use the link provided to select a Bearing Buddy kit that has...
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  • How to Determine the Right Bearing Buddy Bearing Protector for 2-3/8 Inch Hub Bore
  • To choose the correct bearing protectors, if available, you will have to measure the hub opening using dial or digital calipers because the measurement has to be as exact as possible. Bearing protectors are measured to the thousandth of an inch (3 decimal places). None of the bearing protectors we carry are exactly 2-3/8 inches (2.375 inches) but # BB2328 and # BB2328SS are the closest at 2.328 inches. The next step up, # BB2441, at 2.441 inches would likely be too big if the measurement...
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  • Bearing Buddy Recommendation for a Harbor Freight Trailer
  • I actually called Harbor Freight about your trailer to determine what size dust cap is used on that trailer. I reached a tech and he stated that the dust cap is 52mm or 2.0488 inches. It looks like the best option is # BB2047 or # BB2047SS . However, you normally want them to be slightly larger than the hub bore to fit snugly.
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  • Bearing Buddy Recommendation For Kodiak Disc Brake Assembly With 1.98 Inch Hub Bore
  • The Bearing Buddy you will need to order for the Kodiak Disc Brake Assembly, part # K1HR35DS, is part # BB1980A-SS. These are designed to work with a hub bore that measures 1.98 inches, and have a lifetime warranty. I have included a link to an installation video you can check out.
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  • How to Pick Out Bearing Buddy for a 5th Wheel 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 with a mircometer. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a...
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  • How do Bearings and Hub Seals Install on a Boat Trailer Hub
  • The inner bearing will not ride on the rubber o-ring. The bearing will ride on the spindle and the seal goes just to the outside of it and keeps the grease from leaking out of the hub. To see how it all goes together check out the video I attached.
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  • Are Bearing Buddies Compatible with Standard Trailer Bearings and Seals
  • All you need to do to install and use the Bearing Buddy Protectors part # BB1980A is remove your current caps like you did and install the # BB1980A. This product will work with your current bearings and seals just fine.
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  • Are Grease Seals Supposed to be Curved to Match the Radiused Edge of Bearings
  • Every bearing we sell has that radiused edge that you are referring to so all of the seals we carry would work as long as you get the correct one for your setup. Grease seals do not seal the bearing so they do not have to match curvature. The seals seal the hub bore. Can you tell me what the bearing number is on your bearing? There's a glare in the picture so I can't see what bearing you have to match the correct seal to it. I attached a link to an FAQ article on wheel bearing backing...
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  • How to Pick out Bearing Buddies
  • 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 1.781 inch hub bore.
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  • How to Measure to Determine the Correct Grease Seal on a Trailer Hub
  • I could not find any information on the seal number you listed so yes, you will need to take an accurate measurement of the outside diameter of your existing seal, or the inside diameter of the mounting surface for the seal in the hub. You will also need an accurate measurement of the spindle at the seal surface. I have posted a photo to show the dimensions you will need to measure. A dial caliper will provide an accurate measurement to determine the correct seal for your hub and spindle. I...
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  • Bearing Buddies for 8000 LB Arctic Trailer
  • In order to choose the correct model Bearing Buddies for your trailer, you would need to determine the inside diameter of the hub bore. You would need to use a digital caliper to get the hub bore measurement, as a ruler or measuring tape would not be accurate enough. Once you know the hub bore, you can use the provided link to find the correct Bearing Buddy. With the hub bore diameter, you can use the link to go to the bearing protector product page, where you can use the filters on...
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  • How to Pick out Bearing Buddies
  • Sounds like your trailer has Bearing Buddies like the part # BB1810SS that you referenced. 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...
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  • Bearing Buddy to Fit Boat Trailer Hub with 1.9-Inch Threaded Hub Bore
  • The Bearing Buddy Threaded Bearing Protectors you referenced, part # BB1980T-SS, are the only ones that are close to your hub bore measurement of 1.9-inches. The other two sizes are both over 2-inches. These should fit your threaded hubs. Please note that the depth of the threaded portion of this part is 5/16ths of an inch. Bearing Buddy recommends using Perma-tex or another grease proof gasket cement when installing these bearing protectors.
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  • Which Bearing Buddy Will Fit Trailer With Hub Bore Diameter Of 2.328
  • The Bearing Buddy that has the closest dimension to the size you referenced is part # BB2328. This Bearing Buddy is designed to fit hubs with an inner diameter of 2.328. If you can let me know what the outer bearing number is you have installed on your trailer, we can check to make sure this Bearing Buddy would work for you.
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  • Selecting Replacement Bearing Buddy Bras for Proper Fit
  • The easiest way to find the correct size Bearing Buddy bras for your trailer is to use the part number of the Bearing Buddy that you have installed. We offer three sizes of bras: # BB17B fits models 1781, 1781SS, 1810 and 1810SS; part # fits models: 2328, 2328SS, 2441, 2441SS, 2717, 2717SS, 2562, 2562SS, 2240 and 2240SS; and part # BB19B fits models 1980, 1980SS, 1980A, 1980A-SS, 1938, 1938SS, 1968, 1968SS, 2047, 2047SS, 2080 and 2080SS.
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  • Need 1-1/2-Inch Bearing Cover for Small Trailer Axle
  • The link provided will take you to our main page for grease caps. The various diameters available are shown at the top of the page. The option closest to your quoted 1-1/2 inches is the 1.786-inch size. We offer the Fulton # F001503, which is sold as a single unit. These caps are made of 22-gauge zinc-plated steel and can be installed with a rubber mallet.
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