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Recommended Bearing Kit for a Dexter 5,200 lbs Axle PN 57920  

Updated 01/27/2026 | Published 01/01/2026

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Question:

dexter axles 5200lbs p/n 57920 s/n 133246007123 bearing and seal kits part numbers please.

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Expert Reply:

Hey David, thanks for the detailed information. For pn 57920 Dexter 5,200 lbs axles you'll need the Bearing Kit item # BK3-300. This kit includes inner/outer bearings, races, grease seal, and cotter pin. They're sold individually so you'll need one set per hub.

Are you doing routine maintenance, wanting a spare set around, or did you break something?

You can add this information, along with any other questions you have, where it says Reply to Jerred H.

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Jerred H
BK3-300
BK3-300
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Jerred H.

1/27/2026

Hey David, how did things go with the BK3-300 bearing kit for your Dexter 5,200 lb axles? Your update could make it easier for the next person working on the same setup.

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