Timken 654D Tapered Roller Bearing Cup Double Outer Race

Timken 654D is a double tapered roller bearing cup—a precision double outer race for TDO bearing configurations that supports heavy combined radial and axial loads in demanding industrial equipment. Designed for use with Timken double cone assemblies in TDO layouts, it is widely applied in rolling mills, industrial gearboxes, mining equipment, heavy-duty conveyors, and power transmission systems where high load capacity and resistance to overturning moments are needed. Key specifications include: MPN 654D; Series 655; Design units Inch; Cup Outside Diameter 6.0000 in (152.400 mm); Double Cup Width 3.0000 in (76.200 mm); Maximum Housing Fillet Radius 0.060 in (1.500 mm); Housing Backing Shoulder Diameter – Frontface 5.57 in (141.48 mm); Weight 15.03 lb (6.817 kg). Common replacements: Timken 659-654D, 658-654D, NA659-654D. This cup is intended for use with compatible Timken double cone assemblies in TDO bearing configurations to provide precise shaft support and dependable load distribution under continuous operating conditions in steel processing equipment, mining machinery, material handling systems, and industrial drives.