2-pack Sliding Door Assembly, 1-1/4" Steel Ball Bearing Rollers. Side Adjust 2 pack of tandem rollers Replacement for Primeline D1607, Slide-co #13808-S For many sliding patio doors such as Pella, Andersen, Peachtree, and Jeld Wen Side adjustable housing Dimensions: Width: 11/16" Hole centers: 5-3/4" Height: 1-3/16"