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Replacement Bearings and Grease Seals for 2024 Outdoors RV Black Stone 260KVS  

Updated 11/23/2025 | Published 11/18/2025

Question:

I am getting ready to pack the bearings on 2024 outdoors rv 260 kvs. the axles are 5200 lbs. I am not sure of spindle size. Looking at the sticker on the axles. B21-5651, PO: 227025, D52 capacity 5200 lbs, HF=86.6 SC=68.25. Hopefully this is enough information. It is outside and and I do not want to put it on jacks until I have the parts. I would like to get new inner seals and Carter pins if these axles have pins. Thanks

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Expert Reply:

Hey Philip! Can you get the serial number off of that axle tag? We have two different bearing kits that will work with the difference being the grease seal. If your existing grease seal has a 2.25" inner diameter (ID) you can use the # BK3-300 and if it is a 2.125" ID # BK3-310. Dexter won't be able to tell us which one you actually have without the serial number.

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Robin H
Bearing Kit
Bearing Kit
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Phillip N. profile picture

Phillip N.

11/20/2025

The one thing I left off from the sticker. S/n 135420197038.

Robin H. profile picture
Etrailer Expert

Robin H.

11/21/2025

@PhillipN I sent that to Dexter, I'll let you know when I hear back from them.
Robin H. profile picture
Etrailer Expert

Robin H.

11/23/2025

@PhillipN the seal has an ID of 2.25" (10-36 grease seal) so the # BK3-300 would be the correct kit.

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