This pocket door roller assembly is constructed of a steel bracket and ball bearings with plastic tires. The bracket’s hole center spacing measures 1-7/8 in. and it features 2 parallel wheels that are spaced apart at 3/4 in. on center. The wheels are constructed of durable plastic which provide for a smooth, long-lasting, quiet operation, and they feature 13/16 in. diameter convex (round) edges. These adjustable roller assemblies mount on the tops of pocket doors, and they are used by Kenna-frame, Crawford, Press-Rite Doors, and many other pocket door manufacturers. These roller assemblies have a 100 lb. max. capacity. This roller assmbly fits into a 1 in. wide track (inside dimension, wall-2-wall).