This sliding patio screen door roller assembly is constructed of an inner and outer plastic housing with a steel wheel with steel ball bearings. This roller assembly has a center grooved (concave) edge and it is used on doors manufactured by Columbia doors. This item includes two (2) roller assemblies per package.
This roller assembly is used to replace damaged or missing rollers on sliding screen doors
1-3/8 in. x 1-1/4 in. x 5/16 in. housing w/1-15/16 in. hole centers and a 1 in. outside diameter concaved edge wheel
Spring-loaded roller assembly
Constructed of an inner and outer plastic housing with steel spring and wheel