41-644 Three Groove Motor Pulley for Delta and Rockwell Unisaws with 3450 RPM Motors.

Dimensions include 3.5" diameter, 3/4" bore and 1 3/4" depth. 

For you early restoration guys, this brand new Renovo 6061 Aluminum Pulley duplicates the shape of the original die cast pot metal pulleys.

You can find more parts like this at Renovoparts.com. We can fulfill over 18,000 Delta part numbers.