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  1. Trailer Hubs and Drums
  2. Dexter
  3. 8 on 6-1/2 Inch
  4. For 7000 lbs Axles
  5. Hub with Rotor
  6. 16 Inch Wheel
  7. 16-1/2 Inch Wheel
  8. 17 Inch Wheel
Dexter 12-1/4" Hub-and-Rotor Assembly - Oil - 8 on 6-1/2 - E-Coat - 1/2" Bolts - 7K
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Dexter

Dexter 12-1/4" Hub-and-Rotor Assembly - Oil - 8 on 6-1/2 - E-Coat - 1/2" Bolts - 7K

Part Number: 008-416-91
$440.06
Trailer Hubs and Drums
Dexter Hub with Rotor - 008-416-91
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Hub-and-rotor assembly works with 7,000-lb Dexter disc brakes. E-coat finish protects against corrosion. Vented design prevents heat-related damage. Inner bearing (25580), outer bearing (14125A), races, oil seal, and oil cap included. Great Prices for the best trailer hubs and drums from Dexter. Dexter 12-1/4" Hub-and-Rotor Assembly - Oil - 8 on 6-1/2 - E-Coat - 1/2" Bolts - 7K part number 008-416-91 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Dexter Trailer Hubs and Drums - 008-416-91

Highlights

  • For 7,000-lb Axles: Works with Dexter disc brakes and 8 on 6-1/2" bolt pattern wheels.
  • Built to Handle Heat: 12-1/4" vented rotor regulates temperature to prevent brake fade or damage.
  • Ready-to-Use Setup: Includes inner (25580) and outer (14125A) bearings, races, oil seal (10-63), and oil cap.
  • Fights Rust and Wear: E-coat finish protects the cast-iron hub-and-rotor from corrosion.
  • Reliable Fit: Uses 1/2" wheel studs and fits 16", 16-1/2", and 17" wheels for dependable performance.
Made in USA

Features to know about

Built to Handle Heavy Loads Without Warping: Precision Machined Cast Iron Strength

When you’re towing with a 7,000-lb axle setup, you need a hub-and-rotor that stays true under pressure. This 12-1/4" Dexter assembly is machined to minimize runout and warping, so it runs smooth and delivers steady braking. The cast iron construction adds the muscle to take on heavy loads without flexing or cracking, giving you confidence mile after mile.

Keeps Heat Under Control on Long Hauls: Vented Rotor Design

Brake heat can creep up fast when you’re loaded down or rolling through stop-and-go traffic. The vented rotor channels air through its core to shed heat evenly and prevent fade or damage. That means consistent stopping power and longer rotor life, even when you’re working your brakes hard.

Stays Protected Against Rust and Wear: Durable E-Coat Finish

Moisture, grime, and road salt can eat through bare metal fast. The E-coat finish on this hub-and-rotor adds a tough barrier that protects against corrosion and wear. It’s made to hold up in wet or dirty conditions so the surface stays clean and the braking stays smooth over time.

Ready for Oil Bath Use Right Out of the Box: Complete Assembly with Seals and Cap

No need to hunt down extra parts before you can install it. This unit includes the inner bearing (25580), outer bearing (14125A), races, oil seal (10-63), and a threaded oil cap. It’s built for oil bath lubrication, keeping bearings running cool and well protected for long service life.

Compatible with Standard Wheel Setups: 8 on 6-1/2 Pattern with 1/2" Studs

Designed for common wheel sizes—16", 16-1/2", and 17"—this Dexter hub-and-rotor uses an 8 on 6-1/2" bolt pattern with 1/2" wheel studs. That standard fit makes it easy to pair with typical 7K axle hardware while maintaining tight alignment for smooth rotation and balanced braking.

Specs

Weight and Capacity

  • Axle capacity: 7,000 lbs

Wheel and Bolt Information

  • Wheel size: 16", 16-1/2", and 17"
  • Bolt pattern: 8 on 6-1/2"
  • Wheel bolt diameter: 1/2"

Dimensions

  • Rotor diameter: 12-1/4"

Warranty

  • Limited warranty: 5-Year

Bearing, Race, and Seal Information

  • Bearing (included):
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 14125A (1.25" inner diameter)
  • Races (included):
    • Inner race: 25520
    • Outer race: 14276
  • Oil seal (included): 10-63
    • Inner diameter: 2.25"
    • Outer diameter: 3.376"
Determining Bolt Pattern

1. Count the lug holes

Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).

Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug

2a. For even lug counts (4-lug, 6-lug, 8-lug)

Measure from the center of one lug hole directly across to the center of the hole opposite it.

Center to Center
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"

2b. For odd lug counts (5-lug)

Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).

Center to Outside Edge
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"

008-416-91 Dexter Axle 12-1/4" Hub/Rotor - 8 on 6-1/2 - E-Coat - 1/2" Bolts - 7,000 lbs





Video of Dexter 12-1/4" Hub-and-Rotor Assembly - Oil - 8 on 6-1/2 - E-Coat - 1/2" Bolts - 7K
Video Thumbnail Video Player Dialog

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for A Closer Look at the Dexter 12-1/4" Hub-and-Rotor Assembly

Speaker 1: Today, we're taking a look at the Dexter 12-and-one-quarter-inch Oil Bath hub and rotor assembly. Now, this hub and rotor assembly works with 7,000 pound axles with disc brakes. It features machine processing, which all that's internally. That's gonna minimize run-out and warping. And what that means is that the contaminates can't get in-between the rotor and hub and cause damage. This is a cast-iron construction, which provides a lot of strength and durability.You'll notice that it has the vented design, which regulates temperature to prevent overheating.

You can see everything that it comes with laid out here on the table, so the wheel studs are already pressed in. The bearings, you have our inner bearing and your outer bearing. Races are already pre-installed. You get oil seal and the oil cap, so all that's included, as well as the lug nuts there. Now, there's an E-coat finish over the unit which protects it against rust and corrosion and wear.The product is made in the USA.

Again, it is designed to work with 7,000 pound axles with disc brakes. That'll fit wheel sizes of 16 inches, 16-and-a-half inches, and 17 inches. The bolt pattern on the unit is 8 on 6-and-a-half and the wheel bolt diameter is a half-inch. The rotor diameter, so outer edge to outer edge, that's 12-and-one-quarter inches.This right here, is your inner bearing. So the race is already installed.

It goes on the inner part of the unit here. Now, grease is not included, or the oil, so that will need to be provided separately but it does come with all these other components, so inner bearing, outer bearing, oil seal presses in back there, and then you got the studs and the lug nuts, and then you have the oil cap, which threads on right here. That's gonna do it for today's look at the Dexter 12-and-one-quarter-inch Oil Bath hub and rotor assembly.

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Brian T
Written by:
Brian T

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