The Timken Company 6420 Front Inner Wheel Bearing Race

Description:

The Timken Front Inner Wheel Bearing Race 6420 is a precision tapered roller bearing cup designed to provide the outer race for single row tapered roller bearing assemblies supporting combined radial and axial loads. Commonly installed in automotive front wheel hubs, heavy-duty trailers, agricultural equipment, industrial gearboxes, and power transmission systems where accurate bearing alignment and reliable load support are essential. Maintenance teams, OEMs, and system integrators use this bearing race for wheel bearing replacements, equipment repairs, retrofit projects, and preventive maintenance to ensure dependable operation and extended bearing life.

Applications:

The Timken 6420 front inner wheel bearing race is engineered for use with compatible Timken tapered roller bearing cones in automotive and industrial applications. It is widely used in front wheel hub assemblies, trailer axles, agricultural machinery, industrial drives, conveyors, and other rotating equipment requiring precise load distribution, reduced friction, and long-lasting bearing performance under demanding operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 6420
• Manufacturer: Timken
• Product Type: Tapered Roller Bearing Cup (Outer Race)
• Bearing Type: Single Row Tapered Roller Bearing Cup (TS)
• Cup Part Number: 6420
• Design Units: Inch (Imperial)
• Outside Diameter (OD): 5.8750 in (149.225 mm)
• Outer Ring Width (C): 1.7500 in (44.450 mm)
• Maximum Housing Fillet Radius: 0.130 in (3.30 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 5.55 in (140.00 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 5.08 in (129.03 mm)
• e Factor: 0.36
• Y Factor: 1.66
• Geometry Factor (Cg): 0.0931
• Weight: 9.2 lb (4.2 kg)
• Compatible Bearing Cone: Timken 6475
• Typical Applications: Automotive front wheel hubs, heavy-duty trailers, agricultural equipment, industrial gearboxes, power transmission systems

Common Replacements:

• Timken 6420A
• SKF 6420
• NTN 6420