This sliding patio door roller assembly is constructed of extruded aluminum housing with a steel ball bearing roller. The housing dimensions measure 2-1/4 in. in width by 1-5/32 in. in height. The wheel measures 5/16 in. wide by 1-1/4 in. in diameter. This type of patio door roller assembly is used by many patio door manufacturers.

This sliding patio door roller assembly is constructed of extruded aluminum housing with a steel ball bearing roller. The housing dimensions measure 2-1/4 in. in width by 1-5/32 in. in height. The wheel measures 5/16 in. wide by 1-1/4 in. in diameter. This type of patio door roller assembly is used by many patio door manufacturers.