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Expert Answers about Grease Caps


  • 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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  • How to Keep Grease From Coming Off My Outer Bearing
  • I recommend using a Bearing Buddy to keep the grease in your hub and on your outer bearing. Bearing Buddies replace the grease cap in the axle hub and prevents wheel-bearing failure. They also keep water and dirt out of hubs and bearings. You will be able to use the same grease you are using and will need a grease gun similar to # L30132 to load grease into the Bearing Buddy. All the grease will end up flying off your hub it is not contained. The key is to pack enough grease into the...
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  • Replacement Oil Cap for Dexter Hub # 21-35
  • The Kodiak Oil Cap # KPCAP you are looking at is a replacement cap for the Kodiak Pro Lube Kit. The oil cap you need is the Redline Oil Cap, Plug and O-Ring for Dexter 7-9K Trailer Axles # RG04-230. This will replace the oil cap on your trailer axles with Dexter 8-bolt hubs. I attached a review video of this oil cap you may want to check out.
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  • How to Pick Out Stainless Steel Bearing Buddies 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 with a digital caliper like the part # . I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS that you referenced...
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  • Closest Hub Grease Cap Recommendation for Hub with Bore of 2.035 inches
  • The closest cap/protector we have for your hub is the BearingBuddy part # BB2047 which is for hub bores that are 2.047 inches in diameter. This is slightly larger than what you listed so you might want to try remeasuring yours hub with a digital caliper like the part # PTW80157 to verify.
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  • Grease Dust Cap Recommendation for Kodiak Disc Brake Kit K2HR712
  • For hubs that have 8 wheel studs and 7k capacity like the part # K2HR712 the grease cap size needed is 2.72 inch so you would need the part # 21-43-1.
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  • Are Inner And Outer Bearing Greased When Using Bearing Buddy
  • When the Bearing Buddy like part # BB1980A is used it will add grease to both the inner and outer bearings on your trailer. I have attached a link to our product page for the bearing protectors we offer. You can use the filter on the product page to find the correct protector for your trailer.
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  • How to Pick Out a Grease Cap for a Boat Trailer
  • Sounds like you are looking for a grease cap for the hub on your boat trailer. You will want to use a dial caliper or micrometer like # PTW80157 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 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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  • How to Pick Out Bearing Buddy for a 1994 Ranger Trail 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 dial or digital caliper to get an exact dimension. I have included a video demonstrating the Bearing Buddy. The Bearing Buddies # BB1980A-SS...
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  • Bearing Buddy Recommendation for Hub Bore with 2.5 inches
  • The closest Bearing Buddy we have to the dimension you gave is the part # BB2562SS which is designed to fit a hub bore of 2.562 inches.
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  • Bearing Buddy Recommendation for Hub Bore Size 2-3/8 inches
  • 2-3/8 in decimal is 2.375 inches. The closest Bearing Buddy to that is the part # BB2328 which is for 2.328 inch hub bores.
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  • Replacement Bearing Buddy Grease Caps for Boat Trailer Used in Salt Water
  • It is possible to over-fill a hub when a Bearing Buddy is in use because they make it so easy to pump in wheel bearing grease. Usually the victim of an over-filled hub is the inner grease seal, however, not the Bearing Buddy itself. You'd blow out your inner seal long before you'd push off a Bearing Buddy in normal circumstances. You may have installed the wrong size, or not fully seated them in the hub bore. If your inner grease seals are still intact (no obvious grease leakage) then...
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  • Do I Need To Grease my Bearings Before or After my Road Trip
  • You will only need to add grease if it is needed. If you too much grease you will blow out the grease seals which will end up as a mess. Bearing Buddies have a spring-loaded piston that keeps pressure on the grease in the hub. The closer the piston is to the outer edge of the Bearing Buddy, the more compressed the spring is and the more full the hub is. You should be able to look at your Bearing Buddy # BB1781 and see how full it is to determine if you will need more grease for your trip.
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  • Do Bearing Buddies Come with Bras or Do they have to be Purchased Separately
  • Bearing Buddy set # BB1980A comes with the black bras so you will not have to purchase them separately. If you ever need to replace the bras for these Bearing Buddies the correct replacements are # BB19B.
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  • How to Pick Out Replacement Bearing Buddy for a 1994 Mastercraft Prostar 205
  • 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 1.980 inch hub bore. If...
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  • Which Bearing Buddies Will Fit a 2-7/16 Inch Hub Bore
  • You will likely need 2441 model Bearing Buddies: # BB2441 for chrome or # BB2441SS for stainless steel. Your hub bore will be slightly less than this if it is exactly 2-7/16 inches and that ensures a tight fit. The hub bore should really be measured using calipers such as # PTW80157 because the measurement has to be as accurate as possible.
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  • How To Determine Which Bearing Buddy Will Fit Single Axle Trailer
  • The best way to find the right Bearing Buddy for your trailer is to get a precise measurement of the inside diameter of your hub. You can use a digital caliper like part # PTW80157 to get that measurement and then check out the attached link to our product page for the Bearing Buddies we have to offer.
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  • Looking for Bearing Grease Cap that is between OD 1.99 and 2.251
  • We don't offer a grease cap with a diameter between 1.99 and 2.251 inches. The bearing reference number is stamped into the bearing cage, as shown in the photo I've provided. If I knew the bearing number, I can determine which race is used. The grease cap and the outer race will have the same outside diameter.
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  • What Causes Grease On the Inside of Boat Trailer Wheels
  • The guy you were speaking with was telling the truth. If the Bearing Buddies are overfilled, you will indeed blow out the grease seal. The excessive pressure will push the grease out through the rubber portion of the seal. Using a double lip grease seal that has a radial spring inside it which makes the rubber seal grip the spindle more tightly can help reduce the likelihood of the seal blowing out. Also, when adding grease, pay close attention to the piston surrounding the grease zerk....
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  • Looking for Grease Cap With OD Slightly Larger than 1.98 Inches
  • The next largest size is # RG04-040 which has an OD of 1.99 inches. If you can provide me with the reference number from your outer wheel bearing, I'd be happy to check into the availability of a suitable grease cap.
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  • Do Bearing Buddies Include Bras
  • The dust covers or bras are included with the # BB2047 Bearing Buddies. All the Bearing Buddies we sell include the bras.
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  • Replacement Bearing Buddy Recommendation for Bearing Buddy Bra Marked 17B
  • The cover with 17B on it means you have either a 1781 or 1810 Bearing Buddy currently. You would need to measure the outside diameter of the Bearing Buddy to determine which would fit. It will be either # BB1781 or # BB1810.
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  • Grease Cap w/ 2.625 Diameter
  • Do you have a grease or an oil bath hub? We don't list a cap with a 2.625 inch diameter. As a first step, I'd recommend using a digital caliper like # PTW80157 to confirm your measurement of the inside diameter of the hub bore. If you don't have a digital caliper, I can determine which cap you need if you'd provide me with the reference number engraved on the cage of the outer wheel bearing (see photo).
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  • Package Contents of Bearing Buddy Model 2240 # BB2240
  • Yes, the # BB2240 will include the matching bra rubber covers in the kit for no extra cost.
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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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  • Replacement Caps for Oil Bath Hub With 2-3/4 Inch Diameter at the Threads
  • We do offer a grease cap for an oil bath hub that has a 2-7/8 inch diameter at the threads, part # RG04-230, however the total height of the cap is 1-3/4 inches. This is the closest thing we offer to the oil bath cap you referenced.
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  • How to Pick Out Grease Cap for an Older Boat Trailer
  • 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. You will notice that the bore of the hub is tapered like yours. 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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  • Recommended Replacement Oil Bath Cap Kit for Dexter 21-36
  • My contact at Dexter Axle confirmed that Oil Cap Kit # RG04-270 is a correct replacement for the older part reference 21-36 which is now discontinued. Both oil caps have the same 4-inch diameter and are fully interchangeable. The only difference is where the oil line is located.
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  • How to Pick Out Replacement Grease Caps for EZ Lube Spindle Grease Cap
  • 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 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 that have the EZ lube style cap that allows for easy application of grease to EZ lube spindles.
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  • Rubber Plug Recommendation for the Grease Cap # 21-41-1
  • The rubber cap needed to use with the # 21-41-1 is the part # RG04-010. It does not come with the cap.
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  • How to Pick Out Bearing Buddy for a Trailer Hub
  • In order to pick out the correct bearing buddy you will need know the hub bore 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 # BB1810SS that you referenced are for hubs with a 1.81 inch hub bore. The...
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  • Parts Included in Kodiak XL ProLube Kit for 3500-lb Axles XLPROLUBE1980KIT
  • The Kodiak XL ProLube Kit for 3500-lb Axles # XLPROLUBE1980KIT does include the bottle of bearing lubricant, two inner oil seals for a 1.72-inch spindle and two oil bath caps that fit a 1.98-inch hub bore. The actual hubs themselves that you wheels mount to are not included.
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  • Will Bearing Buddy # BB2717 Work With AL-KO 7,000-Lb Axle
  • You will want to use a digital caliper like part # PTW80157 to measure the inside dimension of your hub to make sure you get the correct Bearing Buddy. The Bearing Buddy Bearing Protectors, part # BB2717 are designed to fit a hub bore that is 2.717 inches diameter. If your outer bearing is a # 14125A, then the # BB2717 would work for you.
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  • Replacement Bearings and Axle Parts for Imported Utility Trailer
  • You have discovered the dark side of "bargain" import trailers: non-standard and tough-to-find replacement parts. You are correct that the nearest diameter size of Bearing Buddy to your 2.040-inch measurement is the 2.047-inch size like # BB2047 (in chrome finish) and # BB2047SS (in stainless steel). I also checked our standard grease caps, shown on the linked page, and these too do not offer a perfect match to your hub bore. A difference of 7/1000ths of an inch in diameter is a...
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