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Trailer Idler Hub Assembly for 10,000-lb Axles - 8 on 6-1/2

Trailer Idler Hub Assembly for 10,000-lb Axles - 8 on 6-1/2

Item # 8-214-5
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Shipping Weight: 31 lbs
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8-214-5 - 395S Dexter Axle Trailer Hubs and Drums
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Hub is designed for use on trailer idler axles. Fits 10,000-lb axles that require a 3-1/4" inner diameter seal. Inner bearing (395S) and race, outer bearing (387A) and race, oil seal (10-56), retaining ring (33-52-1), and lug nuts (6-109) are sold separately. Lowest Prices for the best trailer hubs and drums from Dexter Axle. Trailer Idler Hub Assembly for 10,000-lb Axles - 8 on 6-1/2 part number 8-214-5 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
  • All Info
  • Reviews (3)
  • Q & A (7)
  • Photos
  • Why etrailer?

Dexter Axle Trailer Hubs and Drums - 8-214-5

  • 8 on 6-1/2 Inch
  • For 10000 lbs Axles
  • Hub
  • Standard
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 17 Inch Wheel
  • 17-1/2 Inch Wheel
  • 387A
  • 5/8 Inch Stud
  • 395S
  • Dexter Axle

Hub is designed for use on trailer idler axles. Fits 10,000-lb axles that require a 3-1/4" inner diameter seal. Inner bearing (395S) and race, outer bearing (387A) and race, oil seal (10-56), retaining ring (33-52-1), and lug nuts (6-109) are sold separately.


  • Trailer hub assembly fits 10,000-lb Dexter idler axles
    • Fits 12-1/4" diameter x 4" wide drums
  • Bearings, races, seal, oil cap, and lug nuts are sold separately


  • Application: 10,000-lb trailer axles requiring 3-1/4" inner diameter oil seal
  • Bolt pattern: 8 on 6-1/2"
  • Wheel stud dimensions: 5/8" diameter x 1-1/16" long
  • Grease cap flange diameter: 3.5"
  • Weight capacity: 5,000 lbs

Bearing, Race, and Seal Information

  • Bearings (sold separately)
    • Inner bearing: 395S (2.625" inner diameter)
    • Outer bearing: 387A (2.250" inner diameter)
  • Races (sold separately)
    • Inner race: 394A
    • Outer race: 382A
  • Oil seal (sold separately): 10-56
    • Inner diameter: 3.125"
    • Outer diameter: 4.500"

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"

008-214-05 Dexter Trailer Idler Hub Assembly for 10K Axle - 8 on 6-1/2

Replaces H-865-07

Customer Reviews

Trailer Idler Hub Assembly for 10,000-lb Axles - 8 on 6-1/2 - 8-214-5

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

Hub is designed for use on trailer idler axles. Fits 10,000-lb axles that require a 3-1/4" inner diameter seal. Inner bearing (395S) and race, outer bearing (387A) and race, oil seal (10-56), retaining ring (33-52-1), and lug nuts (6-109) are sold separately.

- 8-214-5

Lost my part ,reordered my part very fast.No questions asked sent me my replacement part.

- 8-214-5

I live in a very remote part of Nv. The internet is the closest shopping Within 145 miles. It is my pleasure to say you are one of the best .I got my parts and on time plus it was at a good price

- 8-214-5


Ask the Experts about this Dexter Axle Trailer Hubs and Drums

  • Technical Drawing for Dexter Hub Assembly # 8-214-5
    I spoke with my contact at Dexter and was able to obtain the technical drawing for the Trailer Hub Assembly, # 8-214-5. Keep in mind that this hub was designed to fit a spindle from a 10K Dexter axle. I have attached this drawing for you. We do offer part # 8-214-5UC1 which includes the trailer hub assembly, lug nuts, inner bearing ( # 395S ) and race, outer bearing ( # 387A ) and race, oil seal and cap. These are designed to fit 10,000-lb axles with spindles that require a 3-1/4" ID...
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    Image 1 for
  • What Spindle Does Dexter 10K Hub Assembly # 8-214-5 Fit
    The Dexter Trailer Idler Hub Assembly # 8-214-5 that you referenced does fit a particular spindle but it's not something we have available (the highest capacity spindles we have are 6K units) and there's not really a standard model name for it like the # 42 spindle you mentioned that's typically found on 5,200 pound axles. The Dexter Hub Assembly # 8-215-5 uses a # 395S inner bearing, a # 387A outer bearing, and the # 10-56 oil seal that has a 3.125" inner diameter and a 4.500" outer...
    view full answer...
  • Wheel Stud Size and Replacements for Dexter Trailer Hub Assembly 8-214-5
    Trailer Hub Assembly # 8-214-5 comes with 5/8 inch diameter drive-in studs. These are available separately in a set of 4, # RG03-120.
    view full answer...
  • Proper Torque Rating for Spindle Nut
    When our installers replace a trailer hub, there isn't a set torque spec used when tightening the spindle nut. The hub is placed on the spindle, making sure the inner and outer bearings are correctly seated. The spindle nut is then run down until you start feeling resistance. At that point, spin the hub and check for end play (wobble). If the hub still seems a bit loose, you can run the nut down a bit more. As you'll see in the video I've linked to, tightening the nut is something you'll...
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  • Can a Trailer Wheel have a Larger Center Hole than the Hub
    There are 2 different ways that a wheel secures to a hub. Either it secures to the hub using lug nuts or it secures to the wheel with wheel bolts. Wheels that attach using lug nuts can have a larger pilot hole because the wheel is centered using the lug nuts. The pilot hole cannot be smaller on the wheel though. If the wheel secures using lug bolts then it has to be an exact fit because the wheel centers on the hub itself and the bolts just hold it in place. If you do have this type...
    view full answer...
  • Disc Brake Availability for 10,000 lb Dexter Torsion Axles
    The Kodiak Disc Brake Kit # K2R1058D13 looks like it is exactly what you are needing. It is compatible with 10,000 lbs Dexter torsion axles, 17-1/2 inch wheels, and a hydraulic system. It does require a psi rating of 1,500 so as long as your EOH actuator can give that much output this is a viable option. To finish confirming that this kit will work great for your application you will just need to make sure that you have a 7 bolt brake mounting flange location and that your current...
    view full answer...
  • Availability of Spindle and Hubs for 10,000 lb Trailer Axle
    As you may have noticed, the highest capacity spindle we carry is for a 7,000 lb axle, # TRU37FR. Your best bet is to source the spindles for a 10,000 lb axle through a local trailer shop or dealer. If are able to source the spindles, we do have hubs for 10,000 lb axles. I'll list them below: # 8-430-5UC3 - Dexter Hub Drum for 9K to 10K axles manufactured after July 2009 (for non ABS brakes) - uses inner bearing # 387A, outer bearing # 25580 and oil seal # 10-51 # K08-288-90 -...
    view full answer...

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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Michael H
Expert Research:
Michael H
Employee Jeff D
Installed by:
Jeff D
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C

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