GEZ-100-ES-2RS Plain Spherical Bearing, Sealed Wide race cross-section provides high misalignment adjustment Chrome steel race and ball for durability and resistance to deformity under heavy loads Lubrication grooves and holes in race direct grease into bearing Rubber seals on both sides of the bearing keep the lubricant in and contaminants out 1-3/8" inside diameter, a 2-3/16" outside diameter, and a 1-3/16" depth