Timken 654D Tapered Roller Bearing Cup Double Outer Race

Description:

The Timken 654D double tapered roller bearing cup is a precision double outer race designed for TDO tapered roller bearing assemblies that support heavy combined radial and axial loads in demanding industrial applications. Commonly installed in rolling mills, industrial gearboxes, mining equipment, heavy-duty conveyors, and power transmission systems where high load capacity and resistance to overturning moments are required. Maintenance teams, OEMs, and system integrators use this double bearing cup for equipment repairs, bearing replacements, retrofit projects, and preventive maintenance to maximize reliability and bearing service life.

Applications:

The Timken 654D double tapered roller bearing cup is engineered for use with compatible Timken double cone assemblies in TDO bearing configurations. It is widely used in steel processing equipment, mining machinery, material handling systems, industrial drives, and other heavy-duty rotating equipment requiring precise shaft support, excellent load distribution, and dependable performance under continuous operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 654D
• Manufacturer: Timken
• Product Type: Double Roller Bearing Cup
• Bearing Type: Tapered Double Outer (TDO)
• Cup Part Number: 654D
• Series: 655 Series
• Design Units: Inch (Imperial)
• Cup Outside Diameter (D): 6.0000 in (152.400 mm)
• Double Cup Width (C): 3.0000 in (76.200 mm)
• Maximum Housing Fillet Radius: 0.060 in (1.500 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 5.57 in (141.48 mm)
• e Factor: 0.41
• K Factor: 1.43
• Y1 Factor: 1.65
• Y2 Factor: 2.46
• G1 Factor: 137
• G2 Factor: 27.3
• Geometry Factor (Cg): 0.0919
• Weight: 15.03 lb (6.817 kg)

Common Replacements:

• Timken 659-654D
• Timken 658-654D
• Timken NA659-654D