Timken 3780 Transfer Case Output Shaft Bearing - Front Outer, Rear Inner or Rear Outer

Timken 3780 Transfer Case Output Shaft Bearing

The Timken 3780 is a transfer case output shaft bearing built for vehicles that need dependable support under radial and axial load. It is a direct-fit service part for select Hummer H1 front outer and rear outer applications, including 2002-2004 and 2006 models.

• Transfer case output shaft bearing for drivetrain service
• Timken tapered roller bearing construction for load handling
• Supports both radial and axial forces in compact packaging
• Fits 2002-2004 Hummer H1, front outer
• Fits 2002-2004 Hummer H1, rear outer
• Fits 2006 Hummer H1, front outer
• Fits 2006 Hummer H1, rear outer

Application Details

Built for transfer case service, this bearing is used at the output shaft location where consistent rotation support matters. The Timken 3780 is listed for Hummer H1 front outer and rear outer positions across 2002-2004 and 2006 model years. This part cross-references SKF BR3780 for the same application.

What It Helps Address

• Noise from a worn transfer case output shaft bearing
• Excess play at the output shaft
• Rough or inconsistent transfer case operation
• Wear-related vibration in the drivetrain
• Service needs on Hummer H1 transfer case bearing locations

Installation Notes

Replace the inner cone and outer cup together to maintain bearing reliability and service life. Verify the transfer case position and vehicle year before installation, and inspect related seals and shaft surfaces for wear during service.

Quality Assurance

Timken is a global manufacturer known for tapered roller bearing engineering. The 3780 is built to handle demanding drivetrain loads while maintaining durability in a compact bearing design.