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Bearings and Seal for Dexter 4400 lb Axle on 2019 Forest River Rockwood 2910SB Travel Trailer

Question:

Hey, Im a little confused and hoping you can clarify. I have a 2019 Rockwood 2910sb. It says on my sticker that it is 4400# axles. Every search on here shows the bearing and seals but your information has it as 3500# axles. Are they interchangeable? Thank you

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Expert Reply:

We don't have the 2910SB listed as we haven't obtained the information about it from the manufacturer.

If the sticker on your Rockwood 2910SB Ultra Lite lists a 4400 lbg axle then I'd be inclined to trust that information, but you can confirm this for yourself by checking the outer wheel bearing. If it's a L44649, you have a 3500 lb axle. If it's a LM67048, you indeed have a 4400 lb axle. You'll find the reference numbers etched onto the sides of the bearing cages.

The Dexter 4400 lb axle is a heavy duty version of the 3500 lb axle. It uses the same L68149 inner bearing and 10-19 grease seal as the 3500 lb axle but it uses a different LM67048 outer bearing.

The correct replacement hubs would be # 8-407-5UC3-EZ, the inner bearings are # L68149, inner race is part # L68111. The outer bearings are # LM67048 and the outer race is part # LM67010.

The replacement grease seals are available as part # RG06-050.

expert reply by:
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Mike L

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