Description
Comparison points and tradeoffs
When comparing SOUTHWEST WHEEL R50642X 42 Spindle & 6-5.5′ Bolt Circle Trailer Hub with other Hubs & Spindles options, use this source-backed detail as the primary discriminator: Includes Hub, inner bearing, outer bearing, seal, grease cap & lug nuts.
Use this second fact to evaluate the tradeoff: 42 spindle. A third point to compare across alternatives is: Hubs are cast steel and are not made to be re-drilled or altered.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
Round R50642X 42 Spindle & 6-5.5″ Bolt Circle Trailer Hub. 6 studs 5.5″ Bolt circle using 25580 inner and 15123 outer bearing hub. (42 Spindle). Includes Hub, inner bearing, outer bearing, seal, grease cap & lug nuts. 42 Spindle, Spindle width =2 1/4″ Spindle length=6″ Overall length =11 1/16″ Capacity (pair) 5,000 lbs. Hubs are cast steel and are not made to be re-drilled or altered. For trailer use only.
Source product highlights
- Round R50642X 42 Spindle & 6-5.5″ Bolt Circle Trailer Hub.
- 6 studs 5.5″ Bolt circle using 25580 inner and 15123 outer bearing hub.
- Includes Hub, inner bearing, outer bearing, seal, grease cap & lug nuts
- 42 spindle
- 42 Spindle, Spindle width =2 1/4″ Spindle length=6″ Overall length =11 1/16″ Capacity (pair) 5,000 lbs.




Albert Batteate –
It failed
Bruce Hockridge –
Great product!
Scott Johnson –
Everything arrived timely, and as described.