atup1996
Junior Member
- Joined
- Dec 21, 2024
- Posts
- 6
- Reaction score
- 5
- Location
- York, PA
- First Name
- Aaron
- Truck Year
- 1989
- Truck Model
- r3500
- Engine Size
- 350 SBC
Hello everyone. I’m working on my 89 GMC r3500 trying to replace the center support bearing. The ID of the biggest bearing im seeing anywhere listed for this truck is 1.5748. The bearing race im measuring is 1.875 from this truck. Anyone have any information?