Timken 74850 Tapered Roller Bearing Cup Outer Race

Description:

The Timken 74850 tapered roller bearing is a precision single row tapered roller bearing cup (outer race) designed for 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 precise bearing alignment, high load capacity, and reliable operation 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 life and minimize downtime.

Applications:

The Timken 74850 tapered roller bearing cup is engineered for use with compatible Timken tapered roller bearing cones, including 74525, 74550, and related assemblies. 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 extended service life under demanding operating conditions.

Technical Specifications:

• Manufacturer Part Number (MPN): 74850
• Manufacturer: Timken
• Product Type: Tapered 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