Whiteside B3U — Undersize Ball Bearing, .490" OD, 3/16" ID.
- Outside Diameter: .490"
- Inside Diameter: 3/16"
This ball bearing is undersized by design for resharpening purposes.
- TOOL SPECS: Resharpening (undersize) Ball bearing with .490″ outside diameter and 3/16″ inside diameter.
- BALL BEARINGS: Attaches to a router bit to follow a template along the flat edge of the workpiece, ensuring accurate and consistent cuts.
- FREE SPINNING: The inside of the bearing contains multiple metal balls that allow it to roll freely without restraint.
- BEARING PILOTS: Used to adjust the horizontal cutting depth of router bits with bearing pilots, providing flexibility and precision in routing tasks.
Whiteside catalog page 36.


