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5" Lug x 4.5" Replacement Idler Hub Spindle Kit Stub End unit Trailer Axle 3500# with Square Spindle (STUB-84-545-HSQ)

$91.27
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R & P Carriages

5 Lug x 4.5" Idler Hub & Square Spindle Stub Kit – 3,500 lb Axles

Part Number: STUB-84-545-HSQ

Replacement idler hub and spindle stub kit designed for 3,500 lb trailer axles using a square spindle configuration. This kit is commonly used to repair or replace a damaged or unsafe spindle and includes the components required to service one side of the axle.

Idler hub and spindle kit product image
Square spindle stub diagram

Features

  • Designed for 3,500 lb trailer axles
  • 5 on 4.5" wheel bolt pattern
  • Square spindle configuration (Spindle #84)
  • Used to replace damaged or worn spindle ends
  • Includes hub, bearings, spindle, and installation hardware

Specifications

Axle Rating 3,500 lb
Wheel Bolt Pattern 5 on 4.5"
Spindle Type Square spindle, #84
Stud Spacing 4-1/4"
Spindle Length 8.25" tail shaft (1.5" x 3.53")

Kit Contents

  • 1 × 3,500 lb idler hub (5 on 4.5")
  • 5 × lug nuts
  • 1 × 1.98" dust cap
  • 1 × L44649 bearing
  • 1 × L68149 bearing
  • 1 × 10-19 grease seal
  • 1 × SP-20484-SQ square spindle
  • 1 × 1" axle nut
  • 1 × spindle washer

This kit services one side of the axle. Verify axle type, spindle dimensions, and bearing compatibility before installation.

idler hub kit, trailer spindle stub, 3500 lb axle hub, square trailer spindle