11590/11520 Single-row, Tapereded roller wheel bearing. This bearing is designed to carry radial and axial loads simultaneously in one direction (cone & cup). Manufactured from chrome steel, this bearing has an inner diameter of 0.625 inch, outer diameter is 1.688 inch and width is 0.5625 inch. Item: 11590/11520 Tapered Roller Bearing Type: Tapered Roller Bearing Size: 0.625" x 1.688" x 0.5625"/Imperial ID (inner diameter)/Bore: 0.625 inch OD (outer diameter): 1.688 inch Width/Height/thickness: 0.5625 inch Quantity: One Bearing Dynamic load rating Cr: 4230 N Static load rating Cor: 3920 N