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Reliable 2000 lb Idler Hub, Compatible with Dexter E-Z Lube
EZ Lube Trailer Axle Hub for Easy Maintenance
Versatile Trailer Axle Hub for Various Trailers
Durable Trailer Axle Hub for Heavy Loads
how to measure

2000 lb Idler Hub, 4 on 4 Bolt Pattern, BT8

17-170
Estimated delivery dates: Apr 6, 2025 - Apr 8, 2025

$24.24 $39.99 39% OFF

Add to Cart
Reliable 2000 lb Idler Hub, Compatible with Dexter E-Z Lube
2000 lb Idler Hub, 4 on 4 Bolt Pattern, BT8
$24.24 $39.99 39% 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

Comprehensive Product Description: 2000 lb Idler Hub, 4 on 4 Bolt Pattern

2000 lb Idler Hub, 4 on 4 Bolt Pattern
Keep your trailer safe with reliable idler hub support.

Overview

The 2000 lb Idler Hub is a high-performance trailer hub assembly designed to meet the demands of medium-duty applications, particularly suited for trailers weighing up to 2,000 pounds. This versatile 2000 lb Idler Hub kit includes all necessary components and is compatible with various axle types from leading manufacturers such as Dexter, Lippert (LCI), AL-KO, and many others.

Key Features

  • Trailer Hub Assembly: Tailored for use on trailer idler axles.
  • Bearing and Seal Package: Comes pre-assembled with inner and outer bearings, races, grease seals, and a grease cap designed to work seamlessly with Dexter E-Z Lube or Easy Grease axles.
  • EZ Lube Cap: Facilitates quick and easy bearing lubrication without the need to disassemble the hub assembly.
  • Pre-Greased Assembly: Ready-to-install out of the box, ensuring ease of use and immediate functionality.
  • Zinc-Enriched Paint Finish: Provides durable protection against corrosion, extending the life of your trailer’s suspension system.

2000 lb Idler Hub Included Components

  • Bearings (2): L44649 inner and outer bearings with a diameter of 1.063 inches.
  • Races (2): Inner race L44610 and outer race L44610.
  • Grease Seal: 34823 with an inner diameter of 1.249″ and outer diameter of 1.983″.
  • Grease Caps (2): One standard cap and one EZ Lube cap for simple maintenance.
  • Wheel Nuts (Lug Nuts): Provided to secure your trailer wheels firmly onto the hub assembly.

2000 lb Idler Hub Specifications

  • Application: Dexter E-Z Lube and etrailer Easy Grease trailer axles with BTR spindles.
  • Compatible Axle Manufacturers: Fits standard axles from Dexter, Lippert (LCI), AL-KO, and many others.
  • Wheel Size Range: 8″ to 14″
  • Bolt Pattern: 4 on 4 inch
  • Wheel Stud Dimensions: 1/2″ diameter x 1-5/16″ long
  • Grease Cap Flange Diameter: 1.99 inches
  • Weight Capacity per Hub: 1,000 lbs (total 2,000 lbs for dual hubs)
  • Limited Warranty: 1-year limited warranty

Certifications & Warranties

  • QAI & CSA Certified: All Axletek products meet the stringent safety standards set by QAI and CSA, ensuring that you are using a product rigorously tested under real-world conditions.

2000 lb Idler Hub Bearing and Seal Information

  • Bearings:
    • Inner bearing: L44649 with a 1.063″ inner diameter
    • Outer bearing: L44649 with a 1.063″ inner diameter
  • Races:
    • Inner race: L44610
    • Outer race: L44610
  • Grease Seal: 34823 with an inner diameter of 1.249″ and outer diameter of 1.983″.

E-Z Lube and Easy Grease-Compatible Hub for Simple Lubrication

The grease cap on this hub is specially designed to work seamlessly with Dexter E-Z Lube or Easy Grease axles, making lubricating the bearings quick and easy:

  • Lubrication Process: To apply grease, simply remove the plug from the EZ Lube cap, attach a grease gun to the zerk fitting on the spindle, and inject the grease. This process ensures that both inner and outer bearings are adequately lubricated without the need for disassembly.
  • Corrosion Prevention: Regular lubrication prevents corrosion by keeping moisture and contaminants out of the hub assembly.

Determining the Bolt Pattern

Understanding your trailer’s bolt pattern is crucial for proper hub installation:

  • Even Number of Bolts:
    • Example: 8 on 6-1/2″ means 8 bolts with a circle diameter of 6.5 inches from one bolt hole center to the opposite center.
  • Odd Number of Bolts:
    • Example: 5 on 4-1/2″ means 5 bolts with a circle diameter measured halfway between two opposing holes.

Installation Tips

To ensure proper installation and optimal performance, follow these steps:

  1. Preparation: Ensure the trailer’s axle is properly aligned before installing the hub assembly.
    • Align the wheel studs with the bolt pattern on your trailer wheels.
    • Slide the hub onto the spindle until it rests against the bearing retainer or flange.
    • Install the inner and outer bearings, followed by the races.
    • Place the grease seal over the inner race and install it into position.
    • Insert the wheel nuts and tighten them to the manufacturer’s recommended torque specifications.
  2. Greasing:
    • Use a grease gun with a compatible zerk fitting to inject lubricant through the EZ Lube cap.
    • Ensure both bearings are fully greased before finalizing installation.

Use Cases

  • Cargo Trailers: Perfect for hauling heavy loads over long distances without compromising on safety or performance.
  • Utility Trailers: Suitable for everyday tasks and occasional heavy-duty use, ensuring reliability and durability.
  • Boat Trailers: Designed to handle the rigors of marine environments while maintaining smooth operation.

Conclusion

The 2000 lb Idler Hub, 4 on 4 Bolt Pattern is an essential component for any trailer owner looking to enhance their vehicle’s safety, performance, and longevity. With its comprehensive kit, robust design, and ease of maintenance, this hub assembly stands ready to provide reliable support under challenging conditions.

Invest in the 2000 lb Idler Hub today for a safer, smoother ride on your next journey!

 

Additional information

Weight 7.5 lbs
Dimensions 8 × 7 × 5 in

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Additional information

Weight 7.5 lbs
Dimensions 8 × 7 × 5 in

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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.