D1527 1.13" steel ball bearing roller with adjustable steel housing assembly. Used by Solar Ind. and other glass door manufacturers. Features: -Door roller. -Material: Steel ball bearing. -Housing height: 1.19". -Edge type: Concave. -Diameter: 1.13". -Width: 0.31". -Number of wheels: 1. -Housing style: C-Tab. -Housing width: 0.72". Specifications: -Housing width: 0.88" at dimples. -Housing length: 2.31". -Dimensions: 5.44" H x 3.81" W x 0.88" D. Installation