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Confirming Correct Bearing Buddy Bearing Protectors For a Harbor Freight Super Duty 1,720LB Trailer  

Published 10/19/2023



Question:

Hi there, I have the harbor freight super duty 1720 lb capacity folding trailer. My inside hub measurement is about 2.02” My caliper only goes to 2 spaces. Which bearing buddy is the correct one for my trailer? Is it possible that the 2.047 will fit and there is just some error in the caliper? Thanks

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Expert Reply:

With your Harbor Freight trailer we do not have a way to know exactly what Bearing Buddy is correct for your trailer. This is due to them having several models of the same trailer which could have different parts. The only way to verify is by measuring with a set of Calipers # PTW80157 but since you ended up with a measurement which is different than the most common sizes I recommend finding another caliper to verify the measurement. Do be sure to check the hole in multiple spots as well to confirm if the hub bore center may be out of round as well. Here is a list with the sizes available closest to your 2.02" measurement.

1.980" Hub Bore # BB1980A-SS
2.047" Hub Bore # BB37SR
2.080" Hub Bore # BB2080SS

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Bud M
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