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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

  • Grease Cap for a Concrete Mixer with Inner Diameter of 2.375
  • The closest grease cap we offer to the dimension you listed that is designed for a trailer hub would be the # F001601, this is designed for a 2.333 inner diameter hub so it might be a little small. It is a press on style that does not have a rubber seal though. Since this is designed for trailer hubs I can't safely guarantee that it would work for you.
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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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  • Should Cardboard Be Removed Before Installing Bearing Buddy Bras
  • The cardboard is intended to help keep the shape of the Bearing Buddy Bras like part # BB23B when they are shipped, and should be removed before installing the bras on your Bearing Buddys.
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  • Bearing Buddy Recommendation for Hub Bore that is 2.079 Inches
  • 2.079 and 2.080 are very close. Close enough that the Bearing Buddy part # BB2080SS that you referenced would most likely fit and work just fine as it is designed to fit hub bores that are 2.080 inches.
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  • Do Bearing Buddy Bearing Protectors Only Come in Pairs
  • Bearing Buddies only come in pairs. If you did get a pair then you would have a spare in case you should ever need one in the future!
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  • Do Bearing Buddies Allow Air to Escape as they Add Grease to Hub
  • The seals on a trailer hub are not air tight. If you are adding grease with a Kodiak Red Eye or Bearing Buddy like the part # BB1980A-SS that you referenced the grease will displace the air.
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  • How to Pick Out Bearing Buddy for a Trailer Hub
  • Sounds like you are looking for a Bearing Buddy. But nothing we offer is for that small of a size. Not even standard grease caps are offered in that size either. It is possible you aren't measuring the correct area though. 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...
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  • How to Pick Out a Bearing Buddy for a Echo ATV Trailer
  • I wasn't able to find out any info on your axles but you can still measure your current hubs to determine which bearing buddy you would need. Taking the measurement is really not that hard. 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...
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  • In What Quantities Are Bearing Buddies # BB2047 Sold
  • The product you referenced, Bearing Buddy Bearing Protectors Model 2047 # BB2047, are sold as a pair, enough for one axle. Each kit includes two Bearing Buddies and two rubber covers that fit over the bearing protectors after you've filled them with grease. If you have a tandem axle trailer you will need to order one kit for each axle, so that you get a total of four protectors and four covers. This kit fits hubs with a bore of 2.047-inches. I have linked an installation video for your...
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  • Troubleshooting Grease Seal that Keeps Blowing Out on Trailer Axle
  • It sounds like your problem may be that you are installing too much grease into the hubs and that is why they are blowing out. If you are pumping your grease into your hub with a grease gun you should note that you should only continue to add grease to the hub until you begin to see the outer bearing move or you see grease seeping through the outer bearing. If you pump the grease slowly and rotate the hub, you should not blow the grease seal. Once you see the grease seeping through,...
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  • Dimensions of the Replacement Bearing Buddy Bras # BB19B
  • I went and pulled the Replacement Bearing Buddy Bras # BB19B from our warehouse to get the dimensions you requested and found them to be 2.07 inches from the inside of the cover and 1.29 inches deep.
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  • Bearing Buddy Recommendation for a Trailer Hub with 1.974 Bore
  • The closest bearing buddy we have would be the 1.980 part # BB1980A that it sounds like already tried. The next smallest size we have is the 1.968 part # BB1968 which unless you measured wrong would be too small. I am surprised you couldn't get the # BB1980A to fit. That should be close enough to make it work, it could be that you need to use a hammer and a board to lightly tap it into place.
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  • Bearing Buddy Recommendation for a Hub Bore of 2.402 inches
  • For a Bearing Buddy designed to fit your 2.402 pilot hole on your hub you would want the # BB2441 or the stainless version part # BB2441SS. I attached a review video for you to check out as well. Pricing is below at the links.
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  • What is the Correct Bearing Buddy for Use on 2005 Airstream Classic
  • You can determine what type and size of Bearing Buddy to use on your Airstream trailer by taking a look at the current hubs. You will need to know if the hub bore is threaded or not and you'll also need to take a precise measurement of the hub bore diameter using a dial or digital caliper. You'll need to measure to the nearest thousandth of an inch, or three decimal places like 1.781-inches. Once you know your type and size of hub bore you can use the linked page to select those features...
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  • Replacement Vinyl Covers For Boat Trailer Oil Lube Hub
  • The vinyl covers we offer are designed for Bearing Buddies but you may be able to find one that fits your oil lube hub. We carry 3 different sizes so you will need to measure your hub to make sure you have a fit. The covers we offer are part # BB17B for 2 inch, part # BB19B for 2-1/8 inch, and part # BB23B, which is 2-7/16 inches. Each of these come with 2 in the package.
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  • Bearing Buddy Warranty Coverage
  • Bearing Buddies are covered by a lifetime manufacturer's warranty that would cover the replacement of the Bearing Buddies if they were defective, but not new bearings. I would refute what your mechanic tells you, however. I've seen countless trailers where folks have pumped too much grease into the hubs, and blown out the grease seal. To reach the seal, the grease would pass through the inner bearing. The grease has absolutely no problem reaching the inner bearings. You'll want to be...
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  • Recommended Bearing Buddy Bearing Protectors for Hubs with Bore of 1.986-Inches
  • It sounds like you are looking for a Bearing Buddy bearing protector with a grease zerk fitting for your hub that has a 1.986-inch inner diameter. We offer two choices for your pop-up, either chrome-plated Bearing Buddy # BB1968 or the stainless steel version # BB1968SS. Both kits include two Bearing Buddy protectors and two flexible covers. Take some care when initially filling the protectors with grease to avoid over-filling that could blow out your inner grease seal.
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  • Bearing Buddy Recommendation for Hub Bore that is 2.328 inches
  • That would mean that you have a Bearing Buddy designed for a 2.328 inch hub bore and you would need the part # BB2328 as a replacement.
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  • Bearing Buddy Bearing Protectors for Trailer Hub with 1.98 Hub Bore and L44643 Inner/Outer Bearings
  • Based on the inner and outer bearings, L44643, you should need 1.98 bearing protectors. In this size we have several options: Stainless Steel, # BB1980A-SS Chrome Plated, # BB1980A For threaded hubs, # BB1980T-SS Kodiak brand, # KREB1980AC
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  • Where to Measure 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. The Bearing Buddies # BB1980A-SS that you referenced are for hubs with a 1.98 inch hub bore.
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  • Are Bearing Buddies Measured in Inches
  • I am not sure what you mean. Bearing Buddies are measured in inches. For example # BB1781 is 1.781 inches. Measurements have to be as accurate as possible so when measuring the opening on a hub for bearing protectors use dial or digital calipers, not a tape measure. I also might be able to figure out the size you need based on the outer bearing number stamped into the side of the bearing.
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  • Are Protective Covers Included With Bearing Buddy Bearing Protectors
  • The Bearing Buddy Bearing Protectors, part # BB2047SS are sold in pairs and come with the protective caps. These are stainless steel caps and are designed to fit 2.047 inch hub bore. The Bearing Buddy that is chrome plated is part # BB2047. These are also sold in pairs.
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  • How to Select Bearing Buddy for Trailer Using L68111 Inner Bearing
  • Part # L68111 refers to a race that matches up with bearing # L68149. The inner grease seal that fits with these parts is # RG06-050, which is a pair of double-lip grease seals. These seals have an outer diameter of 2.565-inches (that fits within the hub bore) and an inner diameter of 1.719-inches (that fits on the spindle). A common dimension is 1.980-inches and in this size you can choose an item like the non-threaded stainless-steel # BB1980A-SS. If you do use Bearing Buddies you'll...
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  • Bearing Buddy Recommendation for Trailer Hub # 8-248-50UC1
  • The Bearing Buddies that work with the Trailer Hub Assembly, part # 8-248-50UC1 are part # BB1980A-SS for stainless steel and part # BB1980A for chrome plated. These fit a hub bore that measures 1.98 inches inside diameter. These come with 2 Bearing Buddies in a package. These are a great way to keep water out and making sure you have enough grease in the hub.
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  • Can Different Brands of Lithium Grease be Mixed
  • Yes, you can mix different brands of lithium grease like the part # L11357 and # L10308.
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  • Bearing Buddy Recommendation for a Shoreline Boat Trailer to Replace 2-5/16 Cap
  • The closest grease caps we have to what you would need would be the Bearing Buddies part # BB2328SS that fit a 2.328 hub bore which is very close to the cap dimensions you said you have. You might remeasure your caps with a digital or dial caliper to see if they are right at 2.328. The Bearing Buddies have a grease fitting on them so that would make greasing your hubs easy.
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  • Do Bearing Buddy Bearing Protectors Come with the Rubber Covers
  • Yes indeed. The Bearing Buddies, such as # BB1938, do come with the little bras/rubber covers. I have included a picture showing all for parts for you. Should you ever need some replacements in the future we have those, too; # BB19B.
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  • How to Pick Out a Threaded Bearing Buddy for Camper Trailer
  • You can still use one of our threaded Bearing Buddies as long as you measure the bore of your hub with a digital or dial caliper so that you get the right one. If you have a 1.98 diameter you would want the part # BB1980T-SS, 2.080 inch bore # BB2080T-SS, or 2.441 inch bore part # BB2441T-SS.
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  • Does Grease Seal have to Make Contact with the Inner Race for Bearing to Ride in the Right Place
  • A hub should only have one grease seal, at the back side of the hub, and it should be flush with the hub once installed. When everything is assembled and put on the spindle with the castle nut properly tightened down there should be only a few thousands of an inch of play meaning everything is in place. Races are pressed into a hub so they are not going to move and the edge of the grease seal may or may not make contact with the inner race. But that contact or lack of contact should...
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  • How to Pick Out Bearing Buddies for a 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 # BB2080 that you referenced are for hubs with a 2.080 inch hub bore. When...
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