Drive Shaft Center Support

What Is a Drive Shaft Center Support?

On vehicles with a two-piece or multi-section driveshaft — common in trucks, SUVs, and rear-wheel-drive performance cars — the drive shaft center support (also called a carrier bearing) is the critical component that keeps everything in line. These supports are used to stabilize drive shafts when the complete system is split into two or more sections, and they are typically mounted close to where those sections come together. Without a properly functioning center support, the driveshaft simply cannot do its job.

Why It Matters for Your Drivetrain

Center supports not only aid in the reduction of noise, harshness, and vibration (NHV), but also keep the drive shaft at the correct operating angles — because using the wrong or worn-out support can force the shaft into an incorrect angle, causing U-joints and bearings to wear out prematurely. A failed center support often announces itself with a noticeable clunking, humming, or vibrating sensation felt through the floor or heard at highway speeds. Left unaddressed, the damage can cascade through the entire driveline, making timely replacement one of the most cost-effective maintenance decisions a vehicle owner can make.

What to Look for When Shopping

Not all center supports are created equal. Key factors to evaluate include the quality of the inner bearing, the durometer and composition of the rubber isolator bushing, and whether the unit is pre-lubricated and sealed against moisture and road debris. A pre-lubricated sealed bearing resists the elements and minimizes driveshaft runout. Always verify that the replacement unit matches your vehicle's OEM bearing inside diameter and bracket style — using an incorrect support can put the drive shaft at a different angle, resulting in U-joints and bearings wearing out quicker.

Top Brands in Drive Shaft Center Support

Whether you're restoring a daily driver or upgrading a performance build, the right brand matters. Here are the top names to know in this category:

• BMR Suspension — BMR Suspension is best known for engineering performance driveline and suspension components for American muscle cars and performance platforms. Their center support solutions are built with motorsport-grade materials and tight tolerances, making them a top choice for enthusiasts who demand more than stock replacement.
• Westar — Westar is a dedicated drivetrain specialist whose center supports are engineered to meet or exceed OEM specifications. Westar uses only the highest grade rubber and steel designed specifically for each application, and utilizes high-quality GMB bearings in all of their support assemblies.
• National Oil Seal — National is a long-trusted name in bearings and seals, and their drive shaft center support offerings bring that same reputation for precision manufacturing and reliable sealing performance to the driveline.
• Beck/Arnley — Beck/Arnley focuses on OE-quality parts for import and domestic vehicles, sourcing components that meet strict fit and function standards — making their center support bearings a dependable choice for exact-fit replacement applications.