SBB96-2RS Spherical Plain Bearing 6" x 8-3/4" x 4-3/4"SBB96 2RS Spherical Plain Bearing Double Sealed 6" x 8 3 4" x 4 3 4" Heavy Duty One Bearing The SBB96 2RS is a massive spherical plain bearing engineered for extreme load capacity and misalignment tolerance. Made from chrome steel and double sealed with rubber, its built for rugged use in construction, mining, and heavy machinery. Inner diameter: 6 inches Outer diameter: 8 3 4 inches Width: 4 3 4 inches Double rubber seals (2RS) for contaminant