Genuine AxleTek 3,500 lb Idler Hub Kit – 5 on 5.50” Bolt Circle | Pre-Greased | Fits 3.5K Axles

Description

Overview

This 3,500 lb Idler Hub Kit provides a complete, ready-to-install solution for trailer axle maintenance. Featuring a 5 on 5.50 bolt pattern, this unit is pre-packed with high-temperature grease to eliminate messy packing during installation. The zinc-coated finish offers superior corrosion resistance for long-term durability.

What’s Included

• Idler Hub (3.5K, 5-5.50 BC)
• Bearing L44649 ×1
• Bearing L68149 ×1
• Grease Seal DL-172-03 ×1
• Cone Lug Nuts ×5
• Grease Cap ×1
• Rubber Plug ×1

Ideal Applications

Equipment Haulers

Heavy-duty construction suitable for trailers carrying skid steers, tractors, or machinery.

Marine Trailers

Zinc plating provides protection against intermittent moisture exposure.

General Duty Trailers

Perfect upgrade or replacement for utility, landscape, and flatbed trailers.

Compatibility & Fitment Notes

• Axle Capacity: 3,500 lbs
• Bolt Pattern: 5 on 5.50
• Spindle fit: Standard 3,500 lb spindles
• Bearings: Inner and outer bearings included and pre-greased
• Studs: Pre-pressed studs included

Functional Purpose

The idler hub serves as the rotating mounting point for the trailer wheels. As an idler hub, it is designed for free-rolling axles without brakes. The pre-greased bearing system ensures smooth rotation and reduces friction-induced heat.