6 on 5.5" Idler Hub & Square Stub Spindle Kit – 3,500 lb – Replacement Assembly
Part Number: STUB-84-655-H-SQ
Complete replacement idler hub and square stub spindle kit for 3,500 lb trailer axles. Designed for applications using a square spindle configuration. This kit services one side of the axle.
R&P Knowledge Hub
Square stub spindle features a 1.5" square tail shaft measuring approximately 3.53" in length. Confirm spindle style and dimensions before ordering.
Hub uses common 3,500 lb bearing combination: L44649 (outer) and L68149 (inner) with 10-19 grease seal.
Always verify bolt pattern and bearing numbers stamped on your existing components.
Kit Includes
- 1 × 3,500 lb Idler Hub – 6 on 5.5" Bolt Pattern
- 6 × Lug Nuts
- 1 × 1.98" Dust Cap
- 1 × L44649 Outer Bearing
- 1 × L68149 Inner Bearing
- 1 × 10-19 Grease Seal
- 1 × SP-20084SQ Square Spindle
- 1 × 1" Axle Nut
- 1 × 1" Spindle Washer
Includes all components required to service one side of the axle.
Spindle Identification Reference
Compare your existing spindle configuration to the diagram above before installation.
Specifications
| Specification | Detail |
| Axle Rating | 3,500 lb |
| Bolt Pattern | 6 on 5.5" |
| Outer Bearing | L44649 |
| Inner Bearing | L68149 |
| Seal | 10-19 |
| Spindle Type | 1.5" Square Tail Stub Spindle |
Verify specifications before installation.
