3500 lb Stub Axle End – 5 on 4.5" Hub – With Brake Flange
Part Number: STUB-84FZ-545-H
Stub axle end kit for 3,500 lb trailer axles with 5 on 4.5" bolt pattern. Includes idler hub, bearings, seal, dust cap, and spindle with integrated brake flange for future brake installation. Designed for repair of damaged spindle ends or custom axle fabrication.
Features
- 5 on 4.5" bolt circle
- Brake flange integrated for future brake compatibility
- Spindle tail shaft approximately 3.37" long
- 2.0" diameter base (fits standard 2" Schedule 40 pipe)
- Services one side of axle
A stub axle end allows replacement of a damaged spindle without replacing the entire axle beam. The #84 spindle configuration determines the required bearing and seal combination. Bolt pattern must match the trailer wheel exactly; 5 on 4.5" is measured across opposing studs.
Welding alignment and spindle orientation are critical to prevent uneven tire wear and tracking issues.
Use this diagram to confirm 5 on 4.5" bolt pattern before ordering.
Specifications
| Specification | Detail |
|---|---|
| Axle Rating | 3,500 lb |
| Bolt Pattern | 5 on 4.5" |
| Spindle Type | #84 with Brake Flange |
| Inner Bearing | L68149 |
| Outer Bearing | L44649 |
| Seal | 10-19 |
| Dust Cap | 1.98" |
Included Components
| Component | Quantity |
|---|---|
| 5 on 4.5" Idler Hub | 1 |
| L68149 Bearing | 1 |
| L44649 Bearing | 1 |
| 10-19 Grease Seal | 1 |
| 1.98" Dust Cap | 1 |
| SP-20084NWC Spindle with Brake Flange | 1 |
| 1" Axle Nut | 1 |
| 1" Spindle Washer | 1 |
| Cotter Pin | 1 |
These components require assembly. Verify specifications before installation.