SKU D 1820
This is a plain back patio door roller assembly with a 1-1/4 inch concave steel ball bearing roller. It has a plain back housing that is 19/32 inch wide with a 23/32 inch flare and 1-3/16 inch tall. It is rear adjusting with a 3/16 inch diameter mounting hole on the back end. It is used by a variety of sliding patio door manufacturers.