Rubber Coated Aluminum Roller - 5-1/4" diameter, for a 1-1/2" keyed shaft
Rubber Coated Aluminum Roller. It has a 3/8" thick or more exactly a marked 0.360" thick rubber coating over a width of 5-3/16". The overall width of these Aluminum, Rubber Coated Hubs is 6-5/8".