The Timken Company HM-813810 Tapered Roller Bearing Cup

Description:

The Timken HM813810 tapered roller bearing cup is a precision outer race designed for single row tapered roller bearing assemblies that support combined radial and axial loads in heavy-duty industrial and mobile equipment. Commonly installed in truck axles, industrial gearboxes, construction machinery, mining equipment, and power transmission systems where accurate bearing alignment and high load capacity are essential. Maintenance teams, OEMs, and system integrators use this bearing cup for equipment repairs, bearing replacements, retrofit projects, and preventive maintenance to maximize bearing performance and service life.

Applications:

The Timken HM813810 tapered roller bearing cup is engineered for use with compatible Timken tapered roller bearing cones, including the HM813840 cone, in demanding industrial applications. It is widely used in heavy-duty wheel-end assemblies, industrial drives, conveyors, agricultural equipment, mining machinery, and other rotating equipment requiring dependable load distribution, reduced friction, and long service life under continuous operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): HM813810
• Manufacturer: Timken
• Product Type: Roller Bearing Cup
• Bearing Type: Single Row Tapered Roller Bearing Cup (TS)
• Cup Part Number: HM813810
• Series: HM813800 Series
• Design Units: Inch (Imperial)
• Material: Through-Hardened Chrome Steel
• Precision Rating: ABMA Class 1 (Standard)
• Outside Diameter (OD): 5.0000 in (127.000 mm)
• Cup Width (C): 1.0625 in (26.988 mm)
• Maximum Housing Fillet Radius: 0.130 in (3.300 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 4.80 in (121.90 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 4.37 in (111.00 mm)
• e Factor: 0.50
• Y Factor: 1.20
• Geometry Factor (Cg): 0.125
• Weight: 4.1 lb (1.8 kg)
• Compatible Bearing Cone: Timken HM813840
• Typical Applications: Truck axles, industrial gearboxes, mining equipment, construction machinery, conveyors, agricultural equipment, and power transmission systems.

Common Replacements:

• SKF HM813810
• NTN HM813810
• KOYO HM813810