What is a carrier bearing?

A carrier bearing, also known as a center support bearing, is a critical component of a vehicle's driveshaft or propeller shaft assembly. It is typically found in vehicles with a two-piece driveshaft where a carrier bearing is positioned in the middle to support the weight and torque of the shaft.

The carrier bearing is mounted between the two sections of the driveshaft and helps to reduce vibrations and noise while driving. It also helps to maintain proper alignment of the driveshaft, ensuring smooth rotation and power transfer from the transmission to the wheels.

Over time, carrier bearings can wear out due to constant use and exposure to road conditions. Signs of a failing carrier bearing include vibrations, clunking noises, or noticeable play in the driveshaft. It is important to address any issues with the carrier bearing promptly to prevent further damage to the driveshaft and other drivetrain components.

Replacing a carrier bearing typically requires specialized tools and expertise, so it is recommended to have a professional mechanic inspect and replace the bearing if necessary. Regular maintenance and inspections of the driveshaft can help prevent premature wear and ensure proper functioning of the carrier bearing.