SBB64-2RS Spherical Plain Bearing 4" x 6-1/4" x 3-1/2"SBB64 2RS Spherical Plain Bearing Double Sealed 4" x 6 1 4" x 3 1 2" Heavy Duty One Bearing The SBB64 2RS is a robust double sealed spherical plain bearing built to handle heavy radial loads and accommodate misalignment in extreme working conditions. Designed with durable chrome steel and rubber seals, its perfect for machinery, construction, and industrial linkages. Inner diameter: 4 inches Outer diameter: 6 1 4 inches Width: 3 1 2 inches Chrome