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  1. Trailer Hubs and Drums
  2. Dexter Axle
  3. 8 on 6-1/2 Inch
  4. For 12000 lbs Axles
  5. Hub
  6. Oil Bath
Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath

Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath

Item # 8-214-8UC1
Retail:$452.39
Our Price: $388.67
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Trailer Hubs and Drums
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Shipping Weight: 37 lbs
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8-214-8UC1 - 8 on 6-1/2 Inch Dexter Axle Trailer Hubs and Drums
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Hub fits 12,000-lb general-duty Dexter axles. Inner bearing (3984) and race, outer bearing (28682) and race, oil seal, cap, and lug nuts included. Oil bath system allows for easy maintenance. Drum and mounting bolts (7-103) not included. Great Prices for the best trailer hubs and drums from Dexter Axle. Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath part number 8-214-8UC1 can be ordered online at etrailer.com or call 1-636-306-4830 for expert service.
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Dexter Axle Trailer Hubs and Drums - 8-214-8UC1

  • 8 on 6-1/2 Inch
  • For 12000 lbs Axles
  • Hub
  • Oil Bath
  • 5/8 Inch Stud
  • 28682
  • 3984
  • Dexter Axle

Hub fits 12,000-lb general-duty Dexter axles. Inner bearing (3984) and race, outer bearing (28682) and race, oil seal, cap, and lug nuts included. Oil bath system allows for easy maintenance. Drum and mounting bolts (7-103) not included.


Features:

  • Trailer hub assembly fits idler axles
  • Oil bath lets you check lubricant level without disassembling the hub
    • Look through clear oil cap to check lubrication
  • Bearings, races, oil seal, oil cap, retaining ring, and lug nuts are included
  • Sturdy iron construction
  • Hub is made in the USA


Specs:

  • Application: 12,000-lb axles
  • Bolt pattern: 8 on 6-1/2"
  • Pilot hole diameter: 4-3/4"
  • Wheel bolt diameter: 5/8"
  • Weight capacity: 6,000 lbs


Bearing and Seal Information

  • Bearings (included)
    • Inner bearing: 3984 (2.625" inner diameter)
    • Outer bearing: 28682 (2.25" inner diameter)
  • Unitized oil seal (included): 10-56
    • Inner diameter: 3.125"
    • Outer diameter: 4.5"
  • Oil cap kit (included): RG04-270
    • 21-36 Cap
    • 10-50 O-ring
    • 46-32 Plug

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.


Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: 8 on 6-1/2 means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)


Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: 5 on 4-1/2 means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)


Bolt Pattern - Side

Measuring the distance (D) from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"


8-214-8UC1 Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath





Customer Satisfaction Score:


Customer Reviews

Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath - 8-214-8UC1

Average Customer Rating:  5.0 out of 5 stars   (3 Customer Reviews)

Hub fits 12,000-lb general-duty Dexter axles. Inner bearing (3984) and race, outer bearing (28682) and race, oil seal, cap, and lug nuts included. Oil bath system allows for easy maintenance. Drum and mounting bolts (7-103) not included.

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See what our Experts say about this Dexter Axle Trailer Hubs and Drums

  • Will The Dexter Trailer Idler Hub Assembly For 12K Axles Work With Disc Brakes.
    Yes, the Dexter Trailer Idler Hub Assembly for 12,000-lb Axles - 8 on 6-1/2 - Oil Bath # 8-214-8UC1 will work with disc brakes.
    view full answer...
  • Replacement Bearings for Dexter Axles with 12000-lbs Capacity
    The Replacement Trailer Hub Bearing # 3984 has an inner diameter of 2.625", so it's possible that it will work on your 12,000-lbs Dexter axle, but you'll need to know what bearings are in your hubs to confirm this is the correct replacement bearing. This bearing is designed to fit in Dexter hubs with part numbers: 8-216-5, 8-214-8, 8-217-5 and 8-272-5; the only hub we currently have available out of that group is the 8-214-8 with part # Dexter Trailer Idler Hub Assembly for 12,000-lb Axles...
    view full answer...
  • Replacement Trailer Hub for Dexter 12k Hub 8-216
    Thanks for all of the info of your trailer hub, based on that the correct replacement hub is the part # 8-214-8UC1.
    view full answer...
  • What Weight Capacity is an Axle with 8 Lugs
    There really is a wide range of axles that could potentially be on this trailer. We carry hubs with 8 on 6-1/2" bolt patterns that can be used on axles anywhere from 5200-lbs capacity, like the # 8-219-4UC3-EZ all the way up to 12000-lbs like the # 8-214-8UC1. The best way to determine the axle capacity is going to be checking the spec sticker/plate that can be found towards the center of the axle. If you can't find a spec sticker, knowing the bearings, races and seals also may provide...
    view full answer...
  • How to Remove the Rotor on 12k Dexter Disc Brake Kit
    When removing the rotor on your 12k Dexter disc brakes, all you need to do is pull it off of the hub assuming you have already removed the caliper. The only thing that secures it to the studs is the wheel and lug nuts when you put the wheel on. It is possible that yours is giving you some difficulty if dirt or rust has built up in some way, but you should still be able to take it off. Just be careful to not damage anything else when trying to break it loose. I have attached a video from...
    view full answer...
  • Disc Brake Kit and Hubs For 12,000LB Dexter General Duty Trailer Axles
    The Kodiak Disc Brake Kit # K2R1258L12 specifically is made for 12,000lb standard duty Dexter and Lippert axles. Each kit provides the rotor and caliper for one axle. This brake kit will mount to your Dexter Trailer Idler Hub Assembly # 8-214-8UC1. If you can provide me with additional information about your trailer and the brakes you have I can help you identify any other parts such as disc brake actuator or brake lines that you may also need.
    view full answer...
  • Disc Brake Kit that Can be Used on Rockwell 12k Trailer Axle
    Since Dexter owns Rockwell now the correct parts you'd need to install disc brakes on a 12k Rockwell axle is the idler hub part # 8-214-8UC1 and the disc brake kit # K2R1258L12. The disc brake kit is sold per axle whereas the hubs are sold individually.
    view full answer...
  • Dexter D120 Axle Replacement Parts
    Your Dexter D120 axle is rated for 11,999.80lbs, has a spring center measurement of 45.5" and track width of 74". It is an underslung axle that uses 3" wide 30" slipper springs rated at 6,000lbs each. The brakes are 12-1/4" x 5" electric brakes and the hub is an oil bath with 8 on 6.5" wheel bolt pattern. It was produced in March of 2000. Electric Trailer Brake Kit # AKEBRK-12 Dexter Trailer Idler Hub Assembly # 8-214-8UC1 Inner Hub Bearing # 3984 Inner Race # 3920 Outer Hub Bearing #...
    view full answer...
  • Replacement Hub And Drums For Dexter 12K Axle
    We have the perfect idler hub set up for you! The Dexter Trailer Idler Hub Assembly for 12,000-lb Axles # 8-214-8UC1 has an inner bearing # 3984 and an outer bearing # 28682. The idler hub has a bolt pattern of 8 on 6-1/2 inches. The hub has an oil bath system that allows for easy maintenance. The Drum and Mounting Bolts # 7-103 are sold separately. The Kodiak Disc Brake Kit # K2HR12A11-120DW will not work with your 12K Dexter axle because this kit is only for a 12,000 ALKO axle. The...
    view full answer...
  • Parts Needed to Add Electric Brakes to Trailer With 12,000 Pound Air Brakes
    More than likely you will be able to just add a brake flange and won't need to swap out the spindles. If by 12k air brakes you mean you have tandem 6,000 lb axles then you could use the Brake Mounting Flange for 3" Round Axle # 4-44-1. You will want to take this to an axle shop for installation since they will need the proper equipment to mount it. If you actually have 12,000 lb axles then we do not have a brake flange or spindle/brake flange that large. If you can't find either then your...
    view full answer...
  • Converting from Electric to Hydraulic Disc Brakes on 2019 Big Tex Trailer With 12,000 Pound Axles
    The Kodiak Disc Brake Kit # K2R1058D11E is for 9,000-10,000 lb Dexter axles. Assuming you have a standard duty Dexter or Lippert 12,000 lb axle, the correct kit would be the Kodiak Disc Brake Kit - 11" Rotor - 8 on 6.5 - Raw Finish - Leaf Spring - 12K - Dexter/Lippert # K2R1258L12. This kit fits an idler hub assembly like the # 8-214-8UC1. You will need to verify which axles you have in order to make sure this will work, it is not for use with 12K HD axles. In addition to the disc brake...
    view full answer...
  • Disc Brake Assemblies For Changing A 12,000LB Dexter Axle To Hydraulic Disc Brakes
    We have the Kodiak Disc Brake Kit # K2R1258L12 that is designed to fit your 12,000lb Dexter axle. You will need to ensure that you have the Standard Duty 12,000lb axle as this kit will not fit if its a Heavy Duty 12,000lb axle. If you need help determining which you have please let me know your axle serial number that is on the information sticker for the axle or can also be found stamped in the axle tube on the rear of the axle on the passenger side. The Kodiak Disc Brake Kit # K2HR12A11-120DW...
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Mike S
Written by:
Mike S

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