Timken M86649 Transfer Case Output Shaft Bearing

Timken M86649 Transfer Case Bearing

The Timken M86649 is a transfer case output shaft bearing built for applications that need stable support under radial and axial load. Timken tapered roller bearing engineering is used here to help deliver durable operation in a compact package for a wide range of driveline and axle applications.

Fits a broad range of vehicles, including Chevrolet Express 1500, Ford Ranger, Jeep Wrangler, and Toyota Tacoma applications where the specified bearing position matches the catalog listing.

Key Features

• Tapered roller bearing construction for radial and axial load management
• Inside diameter: 1.187 in. / 30.16 mm
• Cone radius: 0.059 in. / 1.50 mm
• Timken engineering support for driveline bearing applications
• Use the cone and cup together for proper service life and reliability
• Cross-reference: National M86649

Detailed Description

Timken M86649 is a transfer case output shaft bearing used across front and rear bearing positions in many trucks, SUVs, vans, and older passenger vehicles. This bearing is listed for applications such as 2003-2014 Chevrolet Express 1500 front inner and front outer, 2001-2011 Ford Ranger front outer, 1997-2008 Jeep Wrangler rear outer, and 1996-2004 Toyota Tacoma rear outer. It also appears in many other fitments including Chevrolet Colorado, GMC Canyon, Mazda Tribute, and Dodge Dakota listings.

As a tapered roller bearing, the M86649 is built to manage combined loads while maintaining precise shaft support. Timken notes that the inner cone and outer cup should be replaced together to maintain reliability and service life. The part number M86649 is also referenced in interchange listings for National M86649VP.

Common Problems This Part Can Address

• Excessive transfer case shaft play
• Noise from worn output shaft bearing surfaces
• Vibration caused by bearing wear in the driveline
• Reduced bearing support from damaged cone or cup surfaces
• Service issues on vehicles with listed front or rear bearing positions

Installation Notes and Tips

• Verify the exact year, make, model, position, and notes before ordering.
• Replace the inner cone and outer cup at the same time.
• Inspect the shaft, race, and surrounding components for wear before assembly.
• Confirm bearing dimensions match the application requirements: 1.187 in. inside diameter and 0.059 in. cone radius.
• Follow the vehicle service manual for proper bearing installation and preload procedures.

Quality Assurance

Timken is a recognized global manufacturer of tapered roller bearings, with engineering support focused on durability and load handling in demanding driveline service. The M86649 follows Timken bearing design standards for transfer case and shaft support applications.