Help keep axles and differentials turning smoothly under load with the Schaeffler Differential Bearing / Wheel Bearing K3984, a tapered roller bearing cone. It is a direct-fit replacement for many vehicles, among them the 2001-2008 Chevrolet Silverado 1500, 2001-2014 Chevrolet Express 2500 and 2003-2010 Dodge Ram 2500. The catalog lists it for front, rear and rear inner positions, depending on the application.
Schaeffler's tapered roller bearings combine high performance with a compact form and serve both automotive and industrial needs. The company produces more than 100 million tapered roller bearings each year.
- Load-carrying capacity: Tapered roller bearings are known for handling high radial and axial loads.
- Compact design: Fits into tight spaces, which suits compact machinery and components.
- Durability: Engineered with high-grade materials for reliability.
- OE expertise: Designed and manufactured to stringent OEM standards.
This part is listed under two names: differential bearing and wheel bearing. As a cone, it is the inner ring and roller assembly of a tapered roller bearing, and it runs against a matching cup. A bearing may need replacing if you notice a growl, hum or whine that changes with vehicle speed, roughness in rotation, or excessive play.
K3984 fits many Chevrolet, Dodge, Ford, RAM and other models. See the "Vehicles it fits" section for the full list and engine details.
Interchange: 115231 · NB3984 · BR3984 · 401057
This part cross-references / interchanges with the following part numbers:
115231, NB3984, BR3984, 401057
Frequently Asked Questions
What is the Schaeffler K3984?
It is a tapered roller bearing cone listed as both a differential bearing and a wheel bearing. It fits the Chevrolet, Dodge, Ford, RAM and other applications shown in the "Vehicles it fits" section.
Which position does the K3984 fit?
The catalog lists front, rear and rear inner positions, depending on the application. Check your vehicle's entry in the "Vehicles it fits" section.
What signs suggest this bearing may need replacing?
Warning signs include a growl, hum or whine that changes with speed, rough rotation, or excess play. Other components can cause similar symptoms, so diagnose the cause before replacing the bearing.
What loads is this bearing designed to handle?
Schaeffler's tapered roller bearings are known for handling high radial and axial loads. Their compact design fits into tight spaces.
What part numbers does the K3984 interchange with?
The Schaeffler K3984 cross-references to 115231, NB3984, BR3984 and 401057.
