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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

  • 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 Bra Size Recommendation
  • Most likely the correct replacement bearing buddy bra that you would need is the part # BB19B which has an outer diameter of 2-1/8 inches. Part # BB17B has an outer diameter of 2 inches, and part # BB23B has an outer diameter of 2.441 inches (this would be the second most likely one for you to use). You will need to measure your current bra to determine which you would need.
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  • 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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  • 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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  • 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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  • 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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  • 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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  • Will the Spindle Grease Seal Set part # BB60005 Fit a Spindle that Has L44649 Bearings
  • The part # BB60005 should work for you since you have an inner bearing of L44649 and your seal inner diameter is 1.375 inches. You will want to verify that the inner diameter of where your current grease seal is on your hub measures 1.980 inches though. Another way to say this would be the outer diameter of your current grease seal.
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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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  • Bearing Buddy Seal Kit Recommendation for a Hub With LM67048 Bearing
  • The inner diameter of the steel ring of the Spindle Grease Seal Set # BB60008 is 1.25 inches as it will have the same inner diameter as the inner bearing # LM67048 that is rides against like what you currently have. Since you have an inner bearing of # LM67048 this would be the correct kit to use. Check out the review video I attached for more info.
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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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  • What is the Outer Diameter and Thread Pitch of Bearing Buddies # BB2441T-SS
  • I went out to the warehouse and pulled Bearing Buddies # BB2441T-SS. The outer diameter of the threaded portion is 2.34 inches using digital calipers to measure. The thread pitch is harder to determine. There are approximately 9 threads per inch (only three threads on the actual product) and it is coarse threaded as opposed to fine threaded. These Bearing Buddies are designed to replace Tie Down Turbo Lube oil baths.
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  • How to Pick Out Bearing Buddies for a Small 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 Determine the Right Size Bearing Buddy for a Ranger Utility Trailer
  • Instead of measuring the dust cap you have, measure the hub bore where the dust cap fits. You need the most accurate measurement possible so using dial or digital calipers is the way to go. Usually the dust cap or bearing protector outer diameter is slightly larger than the hub bore. this is so you have a very tight fit. It sounds like you might actually need a 1.98 inch, which is more common. But measuring the hub bore should tell us. In the event that the hub bore returns a similar...
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  • How to Pick Out Bearing Buddies for a Camper 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. If...
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  • How to Remove a Bearing Protector from a Trailer Hub
  • Bearing protectors like Bearing Buddies are a very tight fit in a hub. If you cannot wiggle it out by hand then using a rubber mallet and tapping it (not hard but firm) first on the left, then the right, then the top, then the bottom, then repeat, will help loosen it up so you can pull it off. I have included a link to a video as well that should help. Removal of the Bearing Buddy takes place right in the beginning of the video.
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  • Replacing Grease Caps of Carry-On 5x10 Single Axle Trailer With Bearing Buddies
  • To determine which side of Bearing Buddy you'd need for your existing hubs, you'll need to use an accurate measuring device like a digital caliper and measure the inside bore of your hub. Once you find the inside diameter of the hub bore, you'll choose a Bearing Buddy with the matching diameter. For instance, if you find that the diameter of your hub bore is 1.98 inches, you'd go with a Bearing Buddy like the # BB1980A-SS. I've linked you to the main page for bearing protectors. At...
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  • How To Measure to Pick Out Correct 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. You will want to use a dial caliper or a micrometer for this so that you get an exact measurement. I have included a video demonstrating the Bearing Buddy. The...
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  • Using Bearing Buddies on 10K Axle With Oil Bath Hubs
  • Although they're most frequently used on boat trailers, you can use a Bearing Buddy on just about any trailer. You'll want to make sure to install a double lip grease seal, and be careful not to overfill hub. Even with a double lip seal, many folks tend to overfill their hubs and end up blowing out the seal (myself included.) I did some research, and found that the hub bore of the typical 10K axle is around 3.5 to 4.3 inches in diameter, which is larger than any of the Bearing Buddies...
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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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  • 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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  • Grease Cap Recommendation for an EZ Lube Spindle
  • You have EZ-lube spindles so a bearing buddy wouldn't be the right grease cap to use. Easy lube spindles are not compatible with Bearing Buddy Bearing Protectors. You could use the Bearing Buddy Bearing Protectors if you remove the zerk fitting. You really do not need Bearing Buddies though. To pick out the correct grease cap you would need to measure the inside diameter of the hub opening to determine which cap size is needed. You would want to choose a cap whose outside diameter matches...
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  • How To Tell If Bearing Buddy Has Enough Grease
  • The great thing about Bearing Buddy like part # BB1781 is that when you add grease to your system with the included fitting, it will move the spring-loaded piston outward and allow grease to seep around the edges to keep from damaging the seal. You can manually check the Bearing Buddy to be sure it has enough grease. All you need to do is press the edge of the piston. If you can move or rock the piston it has enough grease. I have attached a drawing of a Bearing Buddy you can check...
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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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  • Is a Wheel Cap Recommended to Run Over a Bearing Buddy
  • The grease seal that comes with the Dexter Trailer Hubs and Drums # 84546UC3-EZ that you referenced is a double lip seal so you would be fine in that regard. Running a wheel center cap over a Bearing Buddy wouldn't be ideal as that would make the easy to use Bearing Buddy much more difficult since you would have to remove the rim. I would recommend not trying to fit one over it.
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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 Grease Seal Recommendation for L44649
  • The inner diameter of the steel ring of the # BB60008 is 1.25 inches as it is designed to be used with hubs that have an inner bearing number of # LM67048. Since your inner bearing seems to have a 1.5 inch inner diameter most likely you have the L44649 bearing (you need to verify this), and the correct kit for you would be part # BB60005.
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  • Does Bearing Buddy Bra Need to Be Removed Before Backing Trailer Into Water
  • The bras on the Bearing Buddies are meant to be left in place unless you are adding grease or checking the grease level. There is no need to remove them before backing your trailer into the water.
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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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  • 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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