Timken 74850 Roller Bearing Cup Outer Race For Single Row Tapered Roller Bearings

Description:

The Timken 74850 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 rotating equipment. Commonly installed in industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, and power transmission systems where accurate bearing alignment and high load capacity are required. 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 74850 roller bearing cup is engineered for use with compatible Timken tapered roller bearing cones in demanding industrial and mobile equipment. It is widely used in wheel-end assemblies, industrial drives, conveyors, heavy-duty axles, mining machinery, and other rotating equipment requiring dependable load distribution, reduced friction, and long-lasting bearing performance under continuous operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 74850
• Manufacturer: Timken
• Product Type: Roller Bearing Cup
• Bearing Type: Single Row Tapered Roller Bearing Cup (TS)
• Cup Part Number: 74850
• Series: 74000 Series
• Design Units: Inch (Imperial)
• Material: Through-Hardened Chrome Steel
• Precision Rating: ABMA Class 2 (Standard)
• Outside Diameter (OD): 8.5000 in (215.900 mm)
• Cup Width (C): 1.3750 in (34.925 mm)
• Maximum Housing Fillet Radius: 0.130 in (3.300 mm)
• Housing Backing Shoulder Diameter – Frontface (Da): 8.23 in (209.00 mm)
• Housing Backing Shoulder Diameter – Backface (Db): 7.72 in (196.09 mm)
• e Factor: 0.49
• Y Factor: 1.23
• Geometry Factor (Cg): 0.134
• Weight: 13.1 lb (5.9 kg)
• Compatible Bearing Cones: Timken 74500, 74525, 74550
• Typical Applications: Industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, power transmission systems

Common Replacements:

• SKF 74850
• NTN 74850
• KOYO 74850