Please read this first:Some people have difficulty tounderstand how this part fits on a belt sander. I therefore added the lastthree photos to this listing in order to betterillustrate the mounting.The complete grinder you can see on these photos is not part of this listing. Forthe display purpose and stabilizing this unit while photographed, I placed iton the 1-3/4” square tube.It is the exact size this unit is buildto fit over.

Knife Making: Belt Sander/GrinderTracking Wheel Assembly. New design!

This unit works in both left and righthand tracking wheel set-ups. The default setting: the tracking wheel ismounted on the right hand side of the tracking arm.Reversible setting; please let meknow if you want the wheel on the left hand side of the arm.

This listing answers certain requestsby buyers who want to test their own skills in building the belt sander.
This tracking/idle wheel assemblyis ready madecomponentand designed to fitover 1-3/4" tubing.
You need to position this unit in the right place and tighten two bolts on itsbottom. Then hook up the rear tension spring. You may need to add or removespacers on the wheel shaft.
The Idle/Trucking Wheelis 3” OD x 2-1/4” wide (convex for better tracking). It has1/2” ID, Premium QualityABEC 3sealed bearing pressed into pockets and is precision made ofmachined aluminum.The arm is made ofcold rolled steel 9" long x 2" wide and 3/8" thick.

This proved design is highlyadaptable and can be successfully used with certain projects.