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Product Info
The Garrett Thrust Bearing G448320-0001 is a genuine turbocharger thrust bearing used to control axial movement of the rotor assembly. Garrett turbocharger bearing systems support and damp the shaft and wheels so the turbine and compressor wheels spin without contacting their housings, and the thrust bearing is the part that holds the rotor in position along the shaft axis.
Garrett thrust bearings work hydrodynamically: engine oil flows through feed holes to thrust pads on both the inboard and outboard faces, and the angled ramp on each pad squeezes the oil into a high pressure film at the trailing edge. As turbine and compressor loads change, that oil film pushes back automatically, which is why clean oil of the correct grade matters to turbo life. The part is cross referenced to Garrett GT40 frame turbochargers.
This thrust bearing is a service item for turbo rebuilds, ordered by part number G448320-0001 when a worn or failed thrust bearing is being replaced during a centre housing overhaul.
Features
- Genuine Garrett turbocharger thrust bearing supplied as part number G448320-0001
- Controls the axial motion of the turbocharger rotor assembly under load
- Oil feed holes deliver lubricant to thrust pads on both inboard and outboard faces
- Thrust pad ramps build high pressure oil film that compensates for changing shaft loads
- To suit Garrett GT40 frame turbochargers
- Service replacement part for turbocharger centre housing rebuilds
Tech Spec
| Turbo Compatibility | Garrett GT40 frame turbochargers |
|---|---|
| Part Number | G448320-0001 |
| Component Type | Thrust bearing |