The Timken Company 672D Double Roller Bearing Cup

The Timken 672D double roller bearing cup is a precision double outer race designed for TDO tapered roller bearing assemblies that support heavy radial and axial loads in demanding industrial applications. It is engineered for use with Timken double cone assemblies in TDO configurations and is commonly installed in rolling mills, industrial gearboxes, mining equipment, material handling systems, heavy-duty conveyors, and power transmission systems where high load capacity and reliable load distribution are essential. Key specifications include a cup outside diameter of 6.6250 in (168.275 mm), a double cup width of 2.7500 in (69.850 mm), a maximum housing fillet radius of 0.030 in (0.800 mm), and a housing backing shoulder diameter Da of 6.34 in (160.02 mm); the cup is part of the 675 Series and uses inch design units. Additional performance and geometry factors include K factor 1.24, e factor 0.47, Y1 1.43, Y2 2.14, geometry factor Cg 0.106, and heat generation factors G1 182 and G2 37.2.