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Secure 3500 lb idler hub for heavy-duty trailer axles.
Reliable 3500 lb trailer idler hub for safe towing.
Strong and durable 3500 lb idler hub for trailer axles.
Quality 3500 lb idler hub assembly designed for trailer axles.
how to measure

Genuine AxleTek 3,500 lb Idler Hub Kit – 5 on 5.55” Bolt Circle | Pre-Greased | Fits 3.5K Axles

$48.34

SKU:17-120
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AxleTek 3,500 lb Trailer Idler Hub Kit – 5 on 5.55″ Bolt Pattern
Heavy-duty pre-greased hub for 3.5K axles with rare 5 on 5.55″ bolt circle. Zinc-plated and ready to install with all bearings, seal, cap, and hardware included.

Specification Details
Capacity 3,500 lbs per axle (1,750 lbs per hub)
Bolt Pattern 5 on 5.55″
Bearings L68149 (Inner), L44649 (Outer)
Grease Seal DL-172-03 (1.72” ID x 2.56” OD)
Material Zinc-Plated Cast Steel
Fits Spindle Type #84 Spindle – 1-3/8″ x 1-1/16″
Included Hardware Bearings, Seal, Cap, Plug, Lug Nuts, Castle Nut, Washers, Cotter Pin
Pre-Greased Yes – High-temp lithium grease
Packaging Boxed kit with all components

Description

Trust your trailer to Genuine AxleTek quality with this heavy-duty 3,500 lb trailer idler hub kit. Built for performance and reliability, this kit features a rare 5 on 5.55” bolt circle and is perfectly engineered for 3.5K trailer axles. Pre-greased and boxed for a clean, hassle-free install, this hub is ideal for utility trailers, enclosed cargo haulers, and even marine applications.

Whether you’re replacing old hardware or assembling a new rig, this kit has you covered from spindle to studs with everything you need for a secure and long-lasting setup:

  • (1) H-555-07 Idler Hub – 3.5K Rated, Zinc-Coated for Corrosion Protection
  • (1) L68149 Inner Bearing Cone
  • (1) L44649 Outer Bearing Cone
  • (1) DL-172-03 Grease Seal – Blocks water and debris
  • (5) 60° Cone Lug Nuts – Secure, centered wheel mount
  • (1) Dust Cap with Rubber Plug – Easy grease maintenance
  • (1) Castle Nut, (1) D-Washer, (1) Flat Washer
  • (1) Cotter Pin and (1) Tang Washer – Locks everything in place

Reference Numbers: KH-555-09, 84555UC1-EZ, 2024013263. These OEM cross-references help confirm fitment with your existing trailer components.

Key Features:

  • Pre-Greased and Boxed – Quick, mess-free installation
  • Rated for 3,500 lb trailer axles
  • 5 on 5.55” Bolt Pattern – Ideal for select trailer styles and brands
  • Heavy-duty L68149 & L44649 tapered roller bearings
  • Zinc-plated finish – Built to resist corrosion and rust
  • Complete hardware set included – Everything in one box
  • Compatible with utility trailers, cargo haulers, and marine trailers

Specifications:

Specification Details
Capacity 3,500 lbs per axle (1,750 lbs per hub)
Bolt Pattern 5 on 5.55″
Bearings L68149 (Inner), L44649 (Outer)
Grease Seal DL-172-03 (1.72” ID x 2.56” OD)
Material Zinc-Plated Cast Steel
Fits Spindle Type #84 Spindle – 1-3/8″ x 1-1/16″
Included Hardware Bearings, Seal, Cap, Plug, Lug Nuts, Castle Nut, Washers, Cotter Pin
Pre-Greased Yes – High-temp lithium grease
Packaging Boxed kit with all components
OEM Ref # KH-555-09, 84555UC1-EZ, 2024013263

When quality matters most, AxleTek hubs are the name you can rely on — ensuring smooth, safe towing mile after mile.

Additional information

Weight 9.5 lbs
Dimensions 8.5 × 7.5 × 4.5 in
Quantity

One 3.5K Idler Hub, 5×5.5, Two 3.5K Idler Hub, 5×5.5

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