
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.

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.