If more than two joints are used in a steering system, or if a vibration reducer is combined with two u-joints, a support bearing is needed to prevent the shaft from looping and binding. This billet steel support works with all 3/4in. splined or Double-D steering shafts.
Specifications:
- Billet steel construction
- Supports 3/4in. splined and Double-D steering shafts
- 2-1/2in. tall standard support
- Tapped for two 5/16in.-18 mounting bolts
- Prevents center-joint looping in three-joint steering systems
- Made in the USA
- Part Number: 670000
FAQ
When is a steering shaft support bearing required?
Any time more than two joints are used in a steering system, or when a vibration reducer is combined with two u-joints, creating three flex points. A support bearing prevents the shaft from looping or binding in these setups.
What shaft sizes does this support fit?
All 3/4in. splined or Double-D steering shafts.
How is it mounted?
It is tapped for two 5/16in.-18 bolts.
What size is the standard support?
2-1/2in. tall, sized to accept a 3/4in. shaft.

