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Certified Idler Hub – 7000 lbs Capacity
AxleTek Trailer Idler Hub – 7000 lbs Capacity
Certified Trailer Idler Hub – 7000 lbs Capacity
7000 lb Idler Hub – Compatible with Dexter and More
how to measure

7000 lb Idler Hub Assembly – 8 on 6-1/2 Bolt Pattern

17-140
Estimated delivery dates: Apr 6, 2025 - Apr 8, 2025

$56.33 $159.98 30% OFF

Add to Cart
Certified Idler Hub – 7000 lbs Capacity
7000 lb Idler Hub Assembly – 8 on 6-1/2 Bolt Pattern
$56.33 $159.98 30% OFF

Trailer Axle Hub and Drum FAQ

Downloadable Files

Files that will help teach you or guide you in finding the measurements for your Trailer Axles. 

4, 6, 8 Bolt Pattern
5 Bolt Pattern (option 1)
5 Bolt Pattern (option 2)
Printable Bolt Pattern Finder

Answer:

•Identify the Bolt Count: Start by counting the number of bolt holes (e.g., 4, 5, 6, or 8).

•Measure the Pitch Circle Diameter (PCD):

For even bolt patterns, measure from the center of one bolt directly across to the opposite bolt.

For odd-number patterns, measure from the. center of one, skip one, to the center outside of the third.

• Check Consistency: Double-check your measurements to ensure that your wheel or drum will fit properly.

• Visual Inspection: Look for cracks, rust, or uneven wear on the hub face and drum.

• Feel for Vibration or Wobbling: When driving, any noticeable vibrations or misalignment can indicate that the hub or drum is warped or worn.

• Regular Inspection: Check the hub and drum at least once per season or before heavy towing. Look for signs of wear, rust, or damage.

• Cleaning: Keep the surfaces clean to remove any dirt or corrosion that could affect fitting and performance.

• Lubrication: Apply grease where recommended to reduce friction and prevent rust, following the manufacturer’s guidance.

• Professional Servicing: If you notice misalignment or significant wear, consult a trailer specialist to resurface or replace the components.

• Improper Fitment: A wrong bolt pattern or hub face measurement can result in wheels or brake drums not fitting securely.

• Poor Performance: Misalignment may lead to vibrations, increased tire wear, or even brake issues.

• Safety Risks: Ultimately, incorrect measurements can compromise the trailer’s handling and increase the risk of accidents during towing.

• Corrective Action: If you discover issues, it’s important to re-measure, adjust, or consult a professional for repairs or replacement to ensure a safe setup.

Description

7000 lb Idler Hub Assembly – 8 on 6-1/2 Bolt Pattern

CSA & QAI Certified AxleTek 7000 lb Idler Hub
High-quality 7000 lb idler hub with a robust design, CSA & QAI certified.

At Tow Parts, LLC, we are proud to be the exclusive authorized distributor of AxleTek parts. Our commitment to quality is reflected in every product, all of which are rigorously tested and certified by both CSA and QAI.

Description

The 7000 lb Idler Hub Assembly from AxleTek is designed for use on trailer idler axles. This 7000 lb Idler Hub Assembly fits 7K Dexter E-Z Lube and Easy Grease axles featuring #42 spindles, ensuring compatibility with standard axles from leading manufacturers like Dexter, Lippert (LCI), and AL-KO. The pre-greased design makes it easy to install without the need for additional packing. This hub is a critical component that enhances the performance and reliability of your trailer.

How to Measure 8-Lug Bolt Pattern

  • To measure an 8-lug bolt pattern on your trailer, follow these steps:
    1. Select any two bolts that are directly opposite each other.
    2. Measure the distance from the center of one bolt to the center of the bolt directly across from it.
    3. The measurement will give you the diameter of the circle formed by the bolts, which is the bolt pattern dimension. For an 8 on 6-1/2 inch bolt pattern, this should measure approximately 6.5 inches.

Tow Parts Customer Service

At Tow Parts, LLC, we are dedicated to providing top-notch customer service. Our team is here to assist you with any questions or support needed for your trailer parts purchases and installations. We ensure that every product meets the highest standards of quality and performance.

7000 lb Idler Hub Components Included

  • Inner Bearing: 25580 (1.75″ inner diameter)
  • Outer Bearing: 14125A (1.25″ inner diameter)
  • Races:
    • Inner Race: 25520
    • Outer Race: 14276
  • Grease Seal (GS-2250DL): Inner Diameter 2.25″, Outer Diameter 3.376″
  • Pack of Lug Nuts and Grease Cap Included for Easy Installation

Specs

Feature Description
Application 7,000-lb Dexter E-Z Lube and Easy Grease trailer axles with #42 spindles
Compatibility Standard axles from most manufacturers including Dexter, Lippert (LCI), AL-KO
Wheel Size 16″ to 17-1/2″
Bolt Pattern 8 on 6-1/2″
Wheel Stud Dimensions 1/2″ diameter x 1-1/4″ long
Certifications CSA, QAI
Grease Cap Flange Diameter 2.72″
Weight Capacity 3,500 lbs
Limited Warranty 1-year warranty

Maintenance Tips for Idler Hubs and Drums

To ensure the longevity of your trailer’s idler hubs and drums, regular maintenance is essential. Here are some tips:

  • Inspect the hub assembly regularly for any signs of wear or damage.
  • Lubricate the bearings using a grease gun through the zerk fitting on the spindle at least once every six months. This helps prevent corrosion and ensures smooth operation.
  • Check the lug nuts to ensure they are securely tightened according to the manufacturer’s specifications.

Diagnosing Hub and Drum Issues

If you suspect that your idler hub or drum might need replacement, look for these signs:

  • Noise: Unusual noises when driving can indicate worn bearings.
  • Vibration: Excessive vibration in the trailer could be a sign of wheel imbalance or worn out components. Regularly check the balance and alignment of your wheels to ensure smooth operation.
  • Wear and Tear: Physical inspection for any visible signs of damage, such as cracks or corrosion on the hub assembly. These issues can compromise safety and performance.

Features

This 7000 lb Idler Hub is designed to fit trailer idler axles and includes the following features:

  • Dexter E-Z Lube and Easy Grease compatible grease cap makes lubrication a breeze, allowing you to easily maintain your hub assembly.
  • Sturdy iron construction with zinc-enriched paint finish ensures durability and corrosion resistance. This robust design guarantees long-lasting performance.
  • Lithium complex, multipurpose grease keeps bearings well-lubricated for smooth operation and extended service life.

Choosing AxleTek parts means choosing quality and reliability. Our 7000 lb idler hub is engineered to withstand the demands of heavy-duty trailer use, ensuring your equipment performs at its best for years to come.

Why Choose AxleTek Parts?

  • Quality Assurance: All our products are rigorously tested and certified by both CSA and QAI, ensuring they meet the highest standards of safety and performance.
  • Compatibility: The hub is designed to fit a wide range of standard axles from leading manufacturers, making it a versatile choice for various trailer models.
  • Ease of Installation: Pre-greased design with all necessary components included means quick and hassle-free installation. This saves you time and effort during maintenance or replacements.

How to Install the 7000 lb Idler Hub

To ensure a proper installation, follow these steps:

  1. Remove Old Hub Assembly: Carefully remove the old hub assembly from your trailer axle. Make sure to note all connections and components for easy reassembly.
  2. Install New Hub Assembly: Align the new hub with the spindle and securely attach it using the provided lug nuts. Ensure that the grease cap is properly seated on the zerk fitting.
  3. Lubricate Bearings: Use a grease gun to inject lithium complex multipurpose grease through the zerk fitting, ensuring all bearings are well-lubricated.

Additional information

Weight 19.3 lbs
Dimensions 10 × 9 × 5 in
Quantity: No selection

One 7k Hub Kit, Two 7k hub kits

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Additional information

Weight 19.3 lbs
Dimensions 10 × 9 × 5 in
Quantity: No selection

One 7k Hub Kit, Two 7k hub kits

Product Brand

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What you need to know before ordering

Simple Instructions for Measuring a Trailer Hub and Drum Bolt Pattern and Other Considerations Before Purchasing a Replacement

Part 1: Measuring the Bolt Pattern

Understanding your trailer’s bolt pattern is crucial when selecting a replacement hub and drum. Here’s how to measure it:

Step 1: Identify the Number of Lug Holes

• Count the Lug Holes: Determine how many bolt holes (lugs) are on your hub or wheel. Common configurations are 4, 5, 6, or 8 lug holes.

Step 2: Measure the Bolt Circle Diameter (BCD)

The method to measure the bolt circle diameter varies depending on whether you have an even or odd number of lugs.

For Hubs with an Even Number of Lugs (4, 6, 8 lugs):

1. Measure Across the Center:

• Place a ruler or measuring tape over the center of the hub.

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

2. Record the Measurement:

• This distance is your bolt circle diameter.

Example: If the distance between opposite lug holes is 4 inches, your bolt pattern is “4 on 4” (4 lugs on a 4-inch circle).

For Hubs with an Odd Number of Lugs (5 lugs):

1. Measure from Center to Outer Edge:

• Measure from the center of one lug hole to the outer edge of a lug hole that is directly across from it (skipping one lug hole in between).

2. Alternatively, Use the Chord Measurement Method:

• Measure the Distance (D) between two adjacent lug holes (center to center).

• Use a Multiplier: Multiply this distance by 1.7012 to calculate the bolt circle diameter.

text{Bolt Circle Diameter (BCD)} = D times 1.7012

3. Record the Measurement:

• Round to the nearest common bolt pattern size (e.g., 4.5 inches, 5 inches).

Example: If the distance between adjacent lug holes is 2.75 inches:

text{BCD} = 2.75” times 1.7012 approx 4.68”

This approximates a 5 on 4.5” bolt pattern.

Step 3: Determine the Bolt Pattern Notation

• Express the Bolt Pattern: Use the format “[Number of Lugs] on [Bolt Circle Diameter]”.

Examples:

• “4 on 4” means 4 lugs on a 4-inch circle.

• “5 on 4.5” means 5 lugs on a 4.5-inch circle.

Part 2: Other Important Considerations Before Purchasing a Replacement Hub and Drum

To ensure safety and compatibility, consider the following factors before buying a replacement hub and drum:

1. Axle Capacity

• Know Your Axle Rating: Check your trailer’s axle weight capacity (e.g., 2,000 lbs, 3,500 lbs).

• Match the Hub and Drum: Purchase a hub and drum assembly rated for the same capacity.

2. Spindle Type and Bearing Sizes

• Identify Spindle Type: Determine if you have a straight or tapered spindle.

• Check Bearing Numbers:

• Remove the hub to access the bearings.

• Look for part numbers stamped on the bearings (e.g., L44649, L68149).

• Measure Bearings if Needed:

• Inner Bearing ID: Diameter of the inner bearing opening.

• Outer Bearing ID: Diameter of the outer bearing opening.

• Ensure Compatibility: The new hub must accommodate the same bearing sizes.

3. Grease Seal Size

• Check Seal Numbers: Look for part numbers on the grease seal.

• Measure if Unmarked:

• Inner Diameter (ID): Diameter where the seal fits over the spindle.

• Outer Diameter (OD): Diameter where the seal fits into the hub.

• Match Seal Size: The new grease seal must match these dimensions to prevent leaks.

4. Brake Type and Compatibility

• Determine Hub Type Needed:

• Idler Hub: For trailers without brakes.

• Hub and Drum Assembly: For trailers with drum brakes.

• Brake Size Compatibility:

• Ensure the drum matches your brake assemblies (common sizes are 7”, 10”, 12”).

• Check Brake Hardware:

• Verify that the hub is compatible with your existing brake components.

5. Wheel Compatibility

• Confirm Bolt Pattern: Ensure the new hub’s bolt pattern matches your wheel.

• Check Wheel Stud Size:

• Common stud sizes are 1/2”-20 or 9/16”-18 threads.

• Center Bore and Offset:

• Make sure the hub’s center bore fits your wheel.

• Consider wheel offset if applicable.

6. Spindle Type: EZ-Lube vs. Standard

• Identify Spindle Type:

• EZ-Lube Spindle: Has a grease fitting on the end for easy lubrication.

• Standard Spindle: Requires manual greasing.

• Select Compatible Components:

• Choose hubs and dust caps designed for your spindle type.

7. Material and Finish

• Environmental Considerations:

• For marine or coastal use, consider galvanized or stainless steel hubs to resist corrosion.

• Durability:

• Quality materials extend the life of your hub and drum.

8. Tools and Supplies Needed

• Essential Tools:

• Wrenches or sockets for lug nuts and spindle nuts.

• Torque wrench for proper tightening.

• Pliers or cutters for cotter pins.

• Supplies:

• High-temperature wheel bearing grease (if not pre-greased).

• Grease gun (for EZ-Lube spindles).

• Safety equipment (gloves, eye protection).

9. Installation Tips

• Proper Torque:

• Follow manufacturer specifications for tightening lug nuts and spindle nuts.

• Safety Checks:

• After installation, check for proper wheel rotation and absence of play.

• Regular Maintenance:

• Periodically inspect and grease bearings to extend the life of your hubs.

10. Consult Manufacturer Specifications

• Owner’s Manual:

• Review your trailer’s manual for specific requirements.

• Professional Advice:

• If unsure, consult with a trailer technician or dealer.

By carefully measuring your bolt pattern and considering these factors, you’ll ensure that you purchase the correct replacement hub and drum for your trailer, leading to safe and reliable performance on the road.