Does the Bearing Come Already Installed in Trailer Hub and Drum Assembly, # 8-389-81UC3

Question

Question:

On this brake drum which includes nev r lube bearing, is it already pressed into hub? Thank you

asked by: Ed C

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Expert Reply:

For the Trailer Hub and Drum Assembly, # 8-389-81UC3, with the cartridge style bearing, the parts are pre-fitted into the center of the hub so you will not have to do it.

expert reply by: Michael H

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Answer 1

The definitive way to determine the correct replacement hub is to go by the inner and outer bearing numbers stamped into the sides of the bearings. With these numbers I can determine the best hub or hub and drum assembly for your trailer. Trailer Hub…

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Answer 2

In order to use an 8K Nev-R-Lube hub like #8-389-81UC3, the spindle on the axle would need to be 50mm in diameter to accommodate the #31-71-3 50mm Nev-R-Lube cartridge bearing included with the #8-389-81UC3 hub.

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Answer 3

I spoke with my contact at Dexter and she informed me that the Dexter #8-389-81UC3 on our site and the 8-389-91 on your trailer are essentially the same. Basically, the 8-389-91 usually refers to the the complete hub and drum assembly while the -81…

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Answer 4

The only way the #8-389-81UC3 is available is with the grease cap and lug nuts. Considering the cost of this hub and how much grease caps and lug nuts cost you wouldn't save much by not getting the hub with those items.

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Answer 5

From the pictures you sent in it looks like the inner diameter of your Nev-R-Lube bearing is about 2" which means you'd need the 50MM Nev-R-Lube Bearing for 8,000-lb Dexter Axles #31-71-3. Aside from that you're basically just going to…

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Answer 6

I believe you are asking about the correct electric brake size for the Dexter Hub and Drum Assembly #8-389-81UC3. This hub and drum assembly is rated for 8,000 lbs and has a drum that measures 12-1/4" x 3-3/8" so the correct electric brake…

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Answer 7

The existing Dexter 8K Nev-R-Lube spindles on your trailer are designed specifically for the cartridge-style bearing that the corresponding Nev-R-Lube Hubs #8-389-81UC3 use. The spindles themselves are uniquely sized for this purpose so unfortunately…

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Answer 8

Yes it sure is; the correct grease cap for the 8,000 lb Dexter Nev-R-Lube Hub and Drum #8-389-81UC3 is indeed the part number you mentioned: - Grease Cap for Nev-R-Lube Hubs - 3.355" Outer Diameter #75DC I verified with Dexter for you that the…

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 12

Hey Jon; I was actually just talking to Furrion about heat options for the Chill Cube yesterday (1/21/2025). At this time, the only way to have heat with this unit is through a furnace on a ducted setup. The Furrion Chill Cube RV AC w/ Air…

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Does the Bearing Come Already Installed in Trailer Hub and Drum Assembly, # 8-389-81UC3

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