Spindle Hub Assemblies
Fix the Cause, Not Just the Symptom with PTC Spindle Hubs!
The Problem: Many late model import vehicles are designed with a spindle hub assembly that fits inside the wheel bearing verses using a one piece unitized hub bearing assembly. There is a 30% OE failure rate on spindle hubs, because the bearing race often seizes to the spindle hub and cannot be separated. Also a partially seized bearing can score the spindle hub shaft and negatively impact performance of the replacement bearing.
The Solution: Replace both the bearing and the spindle hub assembly to ensure proper OE performance is restored.
Key Features & Benefits
Direct replacement for the OE Hub.
Includes Axle Nut where applicable
Kits that include wheel bearing are available
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FAQs
What is a spindle hub assembly?
A spindle hub assembly includes a press-in hub that fits into a separate wheel bearing. It’s common on late-model import vehicles and differs from unitized hub assemblies.
Why replace both the hub and bearing together?
On many applications, the hub and bearing can’t be separated without damage. PTC spindle hub kits include both components to ensure a complete and lasting repair.
What causes spindle hub failure?
Failure often occurs when a bearing partially seizes and scores the spindle shaft—or when an old hub is reused with a new bearing, creating fitment and vibration issues.
Are PTC spindle hub kits preassembled?
PTC kits include the correct hub, bearing, and hardware (like axle nuts and snap rings, where applicable), but components are supplied separately for press-in installation.
How do I know if a spindle hub is out of spec?
Check for scoring, discoloration, or excessive runout. If a bearing spins on the shaft or fitment feels loose, the spindle hub should be replaced.
Do PTC spindle hubs meet OE specifications?
Yes. PTC spindle hub assemblies are dimensionally tested and built with OE-quality materials to ensure proper preload, fit, and long-term durability.
