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  1. Trailer Bearings Races Seals Caps
  2. Bearing Buddy
  3. Caps
  4. Bearing Protector Grease Cap
  5. 2.080 Inch
Bearing Buddy Bearing Protectors - Model 2080T-SS - Threaded - Stainless Steel (Pair)

Bearing Buddy Bearing Protectors - Model 2080T-SS - Threaded - Stainless Steel (Pair)

Our Price: $72.38
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Trailer Bearings Races Seals Caps
Shipping Weight: 1.04 lbs
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Bearing Buddy Trailer Bearings Races Seals Caps - BB2080T-SS
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Great for marine applications; the stainless steel construction provides the best in corrosion resistance. The design makes Bearing Buddy an easy way to protect your bearings by keeping water out and ensuring enough grease is in the hub. Great Prices for the best trailer bearings races seals caps from Bearing Buddy. Bearing Buddy Bearing Protectors - Model 2080T-SS - Threaded - Stainless Steel (Pair) part number BB2080T-SS can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (54)
  • Q & A (0)
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Bearing Buddy Trailer Bearings Races Seals Caps

  • Caps
  • Bearing Protector Grease Cap
  • 2.080 Inch
  • Bearing Buddy

Great for marine applications; the stainless steel construction provides the best in corrosion resistance. The design makes Bearing Buddy an easy way to protect your bearings by keeping water out and ensuring enough grease is in the hub.


  • Replaces threaded grease cap in the axle hub
  • Prevents wheel-bearing failure
    • Keeps water and dirt out of hubs and bearings
    • Allows boat trailer wheels to be completely submerged
    • Stops corrosion and pitting on bearings
  • Provides easily accessible grease fitting
    • Makes adding grease to the bearings quick and simple
  • Maintains slight, controlled pressure (3 psi) with spring-loaded piston, preventing water from entering hub
  • Prevents overfilling and rear seal damage with automatic pressure-relief feature
    • Grease seeps around piston edges and into barrel when full
  • Constructed of stainless steel
    • Ensures longer-lasting fit than plastic or aluminum products
  • Includes rubber covers
  • Installs easily
  • Made in the USA


  • Fits 2.080" hub bore with fine threads
    • Works with 900 series outer bearings
    • Works with 900 series outer bearing cups (races)
    • Will fit Reliable oil-bath units with 2.08" diameter hub bores that have 12 threads per inch
  • Bearing Buddy recommends using a grease proof gasket cement when installing
  • Lifetime warranty

Bearing Buddy installed diagram

Bearing Buddy Operation

Replace your existing grease cap with a Bearing Buddy to ensure a safe, easy way to monitor and control the level of grease in your axle hub. To adjust the amount of grease in the hub, use a grease gun to add more through the appropriate fitting. Adding grease moves the Bearing Buddy spring-loaded piston outward 1/8".

The O-ring inside the barrel of the Bearing Buddy maintains a seal from the outside. The interior of the Bearing Buddy is pressurized, preventing water from entering the barrel and diluting the grease.

An automatic pressure-relief feature is built into the Bearing Buddy. When the device is full, grease will seep around the edges of the piston and into the barrel. This prevents overfilling that can damage the inner seal.

You can manually check the grease level in your Bearing Buddy by pressing on the edge of the piston. If you can rock or move the piston, the hub is properly filled.

42818 Bearing Buddy Model 2080T-SS - Threaded - Stainless Steel (Pair)

Item # BB2080T-SS

Customer Satisfaction Score:

Customer Reviews

Bearing Buddy Bearing Protectors - Model 2080T-SS - Threaded - Stainless Steel (Pair) - BB2080T-SS

Average Customer Rating:  4.9 out of 5 stars   (54 Customer Reviews)

Great for marine applications; the stainless steel construction provides the best in corrosion resistance. The design makes Bearing Buddy an easy way to protect your bearings by keeping water out and ensuring enough grease is in the hub.


I changed out my oil bath hups to grease. Bearking Buddy is the best solution in my opinion. They work perfectly, threaded in effortlessly and give a visual indication when bearings need more grease. An excellent product at a reasonable pricel; service and shipping were great. Thanks - H.


The order shipped promptly and delivered on time. The product fit my trailer as expected and I’m able to get back on the water.



Still great

Etrailer Expert

Mike L.


@Michael Glad to hear it!


After being unable to get replacement Bearing Buddy's from my local boat dealer, (they claimed they were on order for 3 months) I finally got smart and found etrailer online. Easy ordering process and I had my new Bearing Buddys in less than a week. Great service, great product, I'll be back for all my trailer parts and accessory needs.

Jim K.


Great product, 1000s of miles with no grease related issues. Just a quick check before leaving home to ensure the pressure is good and off I go. Highly recommend


Great product, stainless steel material means no rust!


They fit great. Your sales person was very educated and helpful. I will ask others to use you for their business.


Really good company to work with. Made it easy to return product when I ordered the wrong size


Went to service my bearings on the trailer for my Key West 203 and found all the grease had become "liquid." Doh!...My mistake. This was my first encounter with oil bath trailer hubs. Not what I was used to. I have two other trailers and I like to keep everything the same. I bought these threaded bearing buddies to convert the hubs/bearings to grease instead of oil bath. Worked like a charm. I have had a couple of long hauls since and had zero issues. I'm not oil bath hubs are a problem. I just wanted to convert to grease and these did the trick.


I ordered the Stainless Bearing Buddys to replace the EZ Loader Oil Bath hub covers. I converted the hub to grease filled instead of the oil. All I had to do was remove the oil seal with a screwdriver and mallet, pack the inner and outer bearings with grease and installed the Bearing Buddys per the instructions. These are threaded and fit perfectly on my tapered spindle. I used Red Gasket Cement on the threads of the Buddys per the instructions.


The first set of bearing buddies were defective. One was a sloppy fit and the other one wouldn't engage the treads. After notified the company , they informed me how to send them back and they were replaced with good ones. I am happy with the new bearing buddies and would recommend this company. These buddies were a great replacement for my boat trailer poorly desiged oil bath lubrication on the axles.


the whole experience was very professional. The product is of high quality. I am putting them on my boat trailer which hubs are oil bath and I am switching them to grease. this is why I need them to be threaded.


I switched my oil bath hubs over to grease so I would not have future problems being stuck on the side of the road or at a lake.
If you do make the switch, ALL oil must be removed and make sure you replace the hub seals. Even though my trailer is 7 yrs old, the seal's outer lip were checked.
No problem installing these hubs using a bit of [threadlocker] on the threads.


Product worked as advertised to replace oil bath plastic caps and allow the conversion to regular grease on my ezloader boat trailer.


Did not like the reliable oil bath hubs on my EZ Loader Trailer , went back to old school Threaded Bearing Buddy, etrailer has your parts , will definitely recommend to my friends


I literally called 15 boat and trailer shops in town and could get the parts I needed. I quickly found them on etrailer, had spot on 2 day delivery that I could track on line and had my trailer ready when I needed it. I will use etrailer here on out rather driving and calling every place in town. Parts were exact as well as delivery. Awesome job and thank y’all!!!


Thank you so much for helping me find these protectors. The boat trailer is old and I could not find the right part online until I spoke to your customer service. They fit perfectly!


My wife informed that the bearing buddy's were received on Monday. I am at sea on a ship in the Pacific and plan to install them when I get home next month.
This effort was based on much online research and with the help of e-trailer I found exactly what I want. I plan on completing this operation and then start with e-trailer on my other boat trailer projects and get it to outstanding condition


Very good fit


The service was terrific. The product was on its way as promised. The Bearing Buddy was easy to install,
and has made maintenance so easy. Would highly recommend buying these from


Used these to convert trailer hubs from oil bath to grease. Worked great. I did not know these existed until I found them in the etrailer help section.


Worked out great especially the comments as it was a older trailer with plastic caps I needed to retro fit. Might be got if you listed that.


A perfect git! You would think somebody in Portlans would stock this part, as many boat trailers as there are here. Not the case. Fortunately I found them and they were delivered to my house within a week!


The buddy bearings are exactly what I wanted and needed. I received a set from another supplier that were not as represented and were not correct causing them to have to be returned.
It’s great working with etrailer!


Fit perfectly, and easy to install, arrived as advertised, staff was very helpful. A product I couldn’t find anywhere else, one shop indicated there was no threaded Bearing Buddies!! I wanted to double check it was correct size and technician verified my measurements
The detailed product info and video helped figure out what I needed


perfect fit for my Reliable hubs, excellent product, fast service, thanks



good buy, expect years of service, would buy again


This was the single best internet transaction I have had to date. is a fantastic company to do business with for all your trailer needs. The site staff were very professional and courteous plus I received my items sooner than expected. How great was that! I have recommended to my boater friends and will only do business with for my trailer needs.

Show More Reviews

See what our Experts say about this Bearing Buddy Trailer Bearings Races Seals Caps

  • Bearing Buddy Grease Cap to Fit Hub Bore of 2.11-Inches on Boat Trailer
    We can help you select Bearing Buddy grease caps for your hubs that have an inner bore of 2.11-inches. The size nearest to yours is 2.080-inches. All Bearing Buddy grease caps in this size are shown on the linked page. Note that these are offered in both threaded and non-threaded versions so be sure to choose the type to match your hub bore.
    view full answer...
  • Replacement for Reliable 2080 Threaded Oil Bath Cap on Trailer
    The Bearing Buddy part # BB2080T-SS that you referenced has been confirmed as a fit for the Reliable hub you have that has a threaded 2.080 diameter hub bore. This would be an exact fit.
    view full answer...
  • How to Determine Which Bearing Buddies Needed on a 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. The reference number of the outer wheel bearing would also get me the information needed to specify the correct Bearing Buddy for you. Once you know the hub bore, you can use the provided link to find the correct Bearing Buddy....
    view full answer...
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  • Does Bearing Buddy Threaded Bearing Protectors # BB2080T-SS Fit Reliable Oil Bath Hubs
    Bearing Buddy does specify that the Bearing Buddy Threaded Bearing Protectors, part # BB2080T-SS, will fit the Reliable oil bath unit that has a 2.080 hub bore size and is on many of the EZ Loader trailers. Bearing Buddy recommends using Permatex or another grease proof gasket cement when installing a threaded Bearing Buddy.
    view full answer...
  • Is Thread Sealant Needed when Installing Threaded Bearing Buddy
    You actually don't have to use a thread sealant with the Bearing Buddies like the part # BB2080T-SS like what you mentioned.
    view full answer...
  • Recommended 2.08 Diameter Grease Caps For Trailer
    We carry grease caps that fit a 2.08 diameter hub bore. Unfortunately, we do not carry dust caps with that diameter. The grease caps I recommend are Bearing Buddy, part # BB2080SS for non threaded hubs, and part # BB2080T-SS for hub bores that are 2.08 inch and that have 12 threads per inch. These seat into your hub and provide an easy way to protect your bearings from dirt and water,and makes adding grease to the bearings very quick and simple, with the included grease fitting. I pulled...
    view full answer...
    Image 1 for
  • Bearing Buddy Bearing Protectors on a 2009 Stratos Bass boat w/ Threaded Oil Bath Hubs
    Yes, you can use Bearing Buddy Bearing Protectors, like the - Model 2080T-SS item # BB2080T-SS you referenced, on your 2009 Stratos Bass boat with threaded oil bath hubs. In order to find the right size you need you will have to determine the inside diameter of the hub bore. You'll need to use a digital caliper to get the hub bore measurement a tape measure will not be accurate enough. I have linked a picture showing the dimension you will need to find. The Bearing Buddy Bearing Protectors...
    view full answer...
    Image 1 for
  • How to Choose Correct Bearing Buddy for Vortex Threaded Hub
    We do have Bearing Buddys with threads on them, but you'll need to verify fitment on your end: Stainless Steel - # BB1980T-SS fits a 1.980" hub bore Stainless Steel - # BB2080T-SS fits a 2.080" hub bore Stainless Steel - # BB2441T-SS fits a 2.441" hub bore If you can verify that the threads on your hubs match one of these then you're good to go! Attached are some review videos for you to check out.
    view full answer...
  • How to Pick Out Threaded Bearing Buddy for Replacing Oil Bath Cap
    I wasn't able to find any reference to your oil cap or dimensions so what you'll need to do is measure the diameter of your cap so that we can determine if there's a threaded Bearing Buddy that would work. For example, we have the part # BB2080T-SS for if your hub bore is 2.08 inch in diameter, part # BB1980T-SS for 1.98 inch, or part # BB2441T-SS for a bore of 2.441 inch.
    view full answer...
  • Bearing Buddy Recommendation for Threaded Hub Bore
    Bearing Buddy does have options for thread hubs like what are seen on oil bath setups. We only have three options though: # BB1980T-SS for a 1.980 inch diameter # BB2441T-SS for a 2.441 inch diameter # BB2080T-SS for a 2.080 inch diameter
    view full answer...
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  • Bearing Buddy Recommendation to Replace Grease Cap that is 2.080 inches
    Since you measured the cap dimensions and got 2.08 inches the correct Bearing Buddy is the # BB2080T-SS you referenced. This is a stainless steel version too which means that it won't rust which is great for a marine application like yours.
    view full answer...
  • Availability of Bearing Buddy that Can Fit Threaded Hub Bore
    We have two threaded style Bearing Buddies which is the style that fits oil-bath hubs. We have the part # BB1980T-SS which fits if the hub bore is 1.98 inch or we have the part # BB2080T-SS which fits if the diameter is 2.080 inch.
    view full answer...
  • How to Determine Correct Bearing Buddies for Trailer
    It is actually really easy to determine which Bearing Buddies are the correct fit for your trailer; all you need to do is measure the hub bores on your trailer's hubs using digital caliper and match the hub bore diameter to the correct Bearing Buddies. For example, the Bearing Buddy Bearing Protectors # BB2080T-SS you referenced will fit a hub bore diameter of 2.080 inches while the Bearing Buddy Bearing Protectors # BB1980T-SS fit a hub bore with a diameter of 1.980 inches. I've added...
    view full answer...
  • 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 # BB2441 that you referenced are for hubs with a 2.441 inch hub bore. I can't...
    view full answer...
  • 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...
    view full answer...
  • 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.
    view full answer...
  • Threaded Bearing Buddy for Mastercraft Prostar 190 Trailer
    The Bearing Buddy # BB2562 or # BB2562SS fits a 2.562 inch hub bore. There is not a threaded version of that size available. For threaded Bearing Buddies we have the following options: # BB2441T-SS which fits 2.441 inch hub bore # BB2080T-SS which fits 2.080 inch. # BB1980T-SS which fits 1.980 inch hub bore
    view full answer...
  • Bearing Kit, 10 x 2-1/4 Hydraulic Brake Shoes, and Grease Cap for Dexter 3500 EZ Lube Axle
    All of our bearing kits, like the part # BK2-100 that was referenced, only include the inner/outer bearings, grease seal, and cotter pin/washer but I can help you get the other parts that you are needing as well. For 10" x 2-1/4" brakes we have the Redline Hydraulic Brake Shoe/Lining # BP04-120 which comes in a set for 1 wheel. Then for a grease cap if you could let me know what your hub bore measures (to the 3rd decimal like 1.234) I can help you select the correct size cap from the...
    view full answer...
  • How To Convert from Oil Baths to Grease with 2-1/6 Inch Hub Bore
    If the hub bore opening on a trailer hub measures 2-1/16" then the correct threaded grease seal to use is the Bearing Buddy Bearing Protectors part # BB2080T-SS. The oil seal can be used with grease so you don't have to worry about replacing that as well. You'll just need grease such as the Prime Guard Wheel Bearing Hi-Temp Red Grease part # L11380 to complete the swap .
    view full answer...
  • Compatible Bearing Buddy to Fit Axle Hubs with Reliable Oil Caps Installed
    When trying to remove the broken Reliable oil cap you may need to use a hammer and a long flat head screwdriver. Placing the screwdriver head on the outer edge of the cap, lightly tap the screwdriver to force cap to turn in the desired direction to remove from the hub. Be careful not to put the screwdriver inside hub to try to remove the cap. It could slip and damage the threads on the inside of the hub. To make sure you will receive the correct Bearing Buddy for your trailer's hubs, a...
    view full answer...
  • How to Convert Oil Bath Trailer Hubs to Grease Hubs
    Actually all you really have to do is remove the oil from the hub and then pack the hubs with grease and then get the correct bearing buddy to match the threaded hub bore. You will need to measure the inner diameter of where the old grease cap installed on your hub to pick out the correct bearing buddy. If that measurement is 1.98 then you would wan the # BB1980T-SS, if it's 2.080 inches and has 12 threads per inch then you'd need part # BB2080T-SS, if it's 2.44 inches you'd want the part...
    view full answer...
  • Can Oil Bath Hub be Converted to Grease Hub
    From a hub point of view the only difference between one designed for oil bath or grease is the dust cap. The oil bath hubs have a threaded cap and the grease a press in cap. As long as you end up with the correct threaded Bearing Buddy size on your hub you'd be totally fine to replace the oil with grease. You'd just need to tell me the diameter of your trailer hub bore where the cap installs and I'll be able to get you the correct BB if available. For example, if you have a diameter that...
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jeff D
Expert Research:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Tyler C
Written by:
Tyler C
Employee Chris R
Video Edited:
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Employee Wilson B
Updated by:
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Employee Hannah L
Updated by:
Hannah L

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