At a Glance

> Critical Alignment: Proper alignment during the welding process is essential to prevent premature bearing wear and tracking issues.
> Versatile Design: The pre-attached brake flange makes it easy to upgrade to a braking system later without replacing the entire axle.
> Professional Install: All components ship loose and require professional assembly and certified welding for safety.
> Check 1: Confirm your axle tube ID matches the 2.00" spindle base.
> Check 2: Ensure the spindle is square to the axle tube before final welding.
Brand: R & P Carriages
SKU: STUB-84-545-H

Before You Order

Match the part number, measurements and connection points that apply to your trailer.

Bearings	Match inner and outer bearing numbers.
Seal	Match the seal number or dimensions.
Bolt Pattern	Verify the complete lug pattern.
Brake Size	Confirm when applicable.

Product Details

Trailer Axle Component / Replacement Stub End

Stub Axle End Kit – 3,500 lb – 5 on 4.5 Bolt Pattern – With Brake Flange

A complete #84 spindle section replacement kit for 3,500 lb trailer axles. Designed for utility and cargo trailers, this kit includes a spindle with pre-attached brake flange and all necessary hub hardware.

Part Number: STUB-84-545-H 3,500 lb Capacity 5 on 4.5" Bolt Pattern

Overview

This R&P Carriages Stub Axle End Kit is a high-quality replacement solution designed for light-duty utility or cargo trailers where a damaged spindle section needs to be cut and replaced. Featuring a standard #84 spindle with a 2" round base and an integrated brake flange, this kit provides a complete spindle section replacement that allows for the future addition of electric or hydraulic brakes.

R&P Service Insight

A stub axle end is welded to an existing axle tube to restore structural integrity. The spindle supports the hub assembly and provides critical mounting points for bearings and grease seals.

Critical Alignment: Proper alignment during the welding process is essential to prevent premature bearing wear and tracking issues.
Versatile Design: The pre-attached brake flange makes it easy to upgrade to a braking system later without replacing the entire axle.
Professional Install: All components ship loose and require professional assembly and certified welding for safety.

R&P Knowledge Hub

Compatibility: Designed for standard 3,500 lb axle tubes requiring a 2.00" diameter spindle base.

Vehicle / System Fit: Common on Jeep, Ford, and many utility/cargo trailers using the 5 on 4.5" bolt pattern.

Installation Notes: Verify your spindle type (#84), bearing numbers (L68149/L44649), and bolt pattern before ordering. Ensure components are lubricated with high-quality wheel bearing grease.

Performance Insight: The use of industry-standard bearings ensures long-term parts availability and reliable heat dissipation during travel.

Brand & Fitment Note

Selling Brand: R&P Carriages

Application Reference: References to Ford, Jeep, or utility trailer platforms describe compatibility and bolt pattern style only where dimensions and mounting points match.

What This Means: This kit is a curated R&P Carriages aftermarket service assembly designed to meet or match standard 3.5k axle specifications.

Before Ordering: Please verify the 2" base diameter of your existing axle tube and the specific bearing IDs (1-3/8" and 1-1/16") to ensure a proper fit.

R&P Repair Insight

Spindle failure often occurs due to bearing overheating or impact. When replacing a stub end, focusing on the weld penetration and the perpendicularity of the spindle is the difference between a smooth-towing trailer and a "tire-eater."

Check 1: Confirm your axle tube ID matches the 2.00" spindle base.
Check 2: Ensure the spindle is square to the axle tube before final welding.
Check 3: Always seat bearings and seals fully to prevent grease leaks and hub play.

Features

Standard #84 Spindle

Features a 2.00" round base designed to fit seamlessly into standard 3.5k axle tubes for a clean weld.

Integrated Brake Flange

Pre-attached 4-bolt flange allows for immediate or future installation of 10" electric or hydraulic brakes.

Complete Hub Assembly

Includes an idler hub with a 5 on 4.5" bolt pattern, the most common configuration for 3,500 lb applications.

Premium Bearings & Hardware

Comes with L68149/L44649 bearings, grease seal, dust cap, and spindle nut for a total rebuild.

Specifications

Specification	Detail
Part Number	STUB-84-545-H
Brand	R&P Carriages
Axle Rating	3,500 lb
Spindle Type	#84 with Brake Flange
Spindle Base	2.00" Diameter
Inner Bearing	L68149 (1-3/8" ID)
Outer Bearing	L44649 (1-1/16" ID)
Grease Seal	10-19 (1-3/4" ID)

Fitment / Application

Category	Details
Vehicle / System	3.5k Trailer Axles
Primary Fit	Utility & Cargo Trailers
Bolt Pattern	5 on 4.5" (Standard)
Notes	Commonly found on Ford/Jeep style hubs. Requires welding to axle tube.

Included Components

Quantity	Item
1	SP-20084NWC Spindle (#84, 2" base)
1	3,500 lb Idler Hub (5 on 4.5")
1 Pair	L68149 Inner & L44649 Outer Bearings
1	10-19 Grease Seal (1-3/4" ID)
1 Set	1.98" Dust Cap, Axle Nut, Washer & Cotter Pin

Installation Warning: Verify all specifications before welding or installation. Improperly installed spindles can cause total axle failure. Spindles must be welded by a certified professional. Ensure all bearings are fully packed with high-quality grease before use.

Shop All 3,500 lb Stub Axles

3500 lb trailer spindle replacement kit, #84 trailer spindle with brake flange, 5 on 4.5 idler hub kit, trailer axle stub end, utility trailer spindle repair, L68149 L44649 bearing kit.

Stub Axle End Kit – 3,500 lb – 5 on 4.5 Bolt Pattern – With Brake Flange (STUB-84-545-H)