The Timken 687/672 is a high-quality single row tapered roller bearing designed for demanding industrial applications. Featuring a bore diameter of 101.6 mm (4 inches), an outer diameter of 168.27 mm (6.625 inches), and a width of 41.27 mm (1.625 inches), this bearing provides robust performance and durability. Tapered roller bearings are engineered to accommodate combined radial and axial loads, making them ideal for heavy-duty machinery and equipment where reliability is paramount. This specific bearing is part of the 687/672 series, known for its precision and long service life.