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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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  • 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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  • Replacement Bearing Buddy Grease Cap
  • We sure do! The replacement Bearing Buddy Bras are what you are looking for. Depending on which model you have will determine which you need. I have linked them all to this page for your convenience. Model 23B # BB23B - Fits models: 2328, 2328SS, 2441, 2441SS, 2717, 2717SS, 2562, 2562SS, 2240 and 2240SS (outer diameter measures 2-7/16 inches) Model 19B # BB19B - Fits models 1980, 1980SS, 1980A, 1980A-SS, 1938, 1938SS, 1968, 1968SS, 2047, 2047SS, 2080 and 2080SS (outer diameter...
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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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  • Bearing Buddy Recommendation for a Trailer Hub Bore of 2-3/8 inches
  • Most likely the measure you took would have been 2.240 inches had you used a digital or dial caliper so the correct Bearing Buddy would be the part # BB2240. You might recheck the measurement you took to be certain that it is 2.240 inches.
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  • Replacement Dust Cover for Bearing Buddy that Measures 2-1/2 inches Across
  • The Bearing Buddy Replacement Bras you will need are part # BB23B, model 23B. This cover is designed to fit Bearing Buddies with an outer diameter of 2-1/2 inches.
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  • How to Pick Out a Bearing Buddy for a Boat Trailer
  • Sounds like you have figured out which Bearing Buddy you would need and the # BB1980A-SS would work well for you. But just to be sure here is how you would pick out the correct one. 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...
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  • Bearing Buddy Available for Hub Bore that Measures 1-7/8 inches
  • 7/8 of an inch in decimal form is .875 of an inch. The closest Bearing Buddy we have to that would be the # BB1810 which measures 1.810 inches. You might remeasure with a digital or dial caliper like part # PTW80157.
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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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  • Installation Method for Parts Included in Bearing Buddy Spindle Grease Seal Set # BB60002
  • The flat steel washers included in the Bearing Buddy Spindle Grease Seal Set # BB60003 are the first part of the 4-piece assembly to be installed on each spindle. These are followed by the L-shaped steel seal ring, then the O-rings. The actual large grease seal itself is installed into the hub's bore and then mates up with those other three parts already on the spindle. The linked video illustrates the last 3 items but does not the flat steel washers.
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  • Recommended Bearing Buddy Bearing Protectors
  • You are correct. The next size up for the Bearing Buddy Bearing Protectors is 2.047 inch. To order a pair you will need part # BB2047. If you want the stainless steel protectors, you will need to order part # BB2047SS. I recommend using digital calipers to measure the inside bore of your hub to make sure the # BB2047 will work for you.
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  • Grease Cap Recommendation for a Hub with 55 mm Bore
  • 55 mm is right at 1.968 inches, so the correct grease cap you would need would be the Bearing Buddy part # BB1968SS.
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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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  • 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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  • Bearing Buddy Availability for Hub Bore of 2.080
  • I wish we had a bearing buddy that would fit the hub you have, but none of the ones we carry will fit a hub with an inside bore of 2.125 (2-1/8 inches). You might try measuring the hub bore again with a digital or dial caliper to see if maybe you have a 2.080 hub bore. If that is the case you could use the # BB2080.
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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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  • 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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  • Replacement Bearing Buddy Bras for ~2 Inch Bearing Buddies
  • There isn't a 2 inch Bearing Buddy so you likely have a 1.98 or a 2.047. In either case # BB19B would be the correct replacement Bras.
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  • How To Determine What Bearing Buddy Bearing Protectors Will Work With Trailer Hub
  • A tape measure is really not the best way to measure the hub bore on your trailer to find the right size Bearing Buddy. I recommend a digital caliper like part # PTW80157 to make sure you get the most accurate measurement. If you find your hub bore measure 1.781 inches then part # BB1781 would work great for your trailer. If your hub bore measures 1.980 inches, part # BB1980A would be a great fit.
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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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  • 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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  • 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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  • 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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  • Threaded Bearing Buddy Recommendation for a 1.980 Diamter Hub Bore
  • The Bearing Buddy Bearing Protectors # BB1980T-SS that you referenced is the closest threaded bearing buddy we offer to yours that measures 1.85 inches in diameter. This bearing buddy is designed to work on hub bores that measure 1.98 inches. You might try measuring yours again and be sure to get an exact measurement with a dial or digital caliper.
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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 Cap Recommendation for Tow Power Bearing Protector for 1.980 inch Hub Bore
  • What you will want for a replacement cover for your Towpower bearing protector is the part # BB19B. This part fits the exact same diameter bearing protector as what you have and will work well.
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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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