How to Determine the Correct Replacement Seals and Bearings for a 2021 Grand Design Solitude
Question:
I have a 2021 Grand Design Solitude 390RK. I want to repack my bearings. What size inner seal is used on my trailer?
asked by: Greg T
Helpful Expert Reply:
Just knowing the make and model of your trailer isn't going to help find the correct seals, unfortunately. Instead, you're going to need to pull off the hub and check the bearings for a number that should be stamped onto the metal. This number will not only tell us what the correct replacement bearing is, but will also correspond with a seal kit.
You could also measure the outside diameter of your existing seal, or the inside diameter of the mounting surface for the seal in the hub. You're also going to need an accurate measurement of the spindle at the seal surface, shown in the attached picture.
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