4307-2RS Sealed 2-Row Ball Bearing 35x80x31mm4307 2RS Double Row Ball Bearing 35mm x 80mm x 31mm Rubber Sealed Chrome Steel The 4307 2RS is a double row deep groove ball bearing built to handle higher radial and axial loads than standard single row bearings. With rubber seals on both sides and a chrome steel body, it offers durability and smooth operation in industrial motors, conveyors, and mechanical assemblies. Type: Double row deep groove ball bearing Inner Diameter: 35mm Outer Diameter: