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

The Timken 74850 roller bearing cup is a precision outer race for single‑row tapered roller bearing assemblies that support combined radial and axial loads in heavy‑duty rotating equipment. It is designed for use with Timken cones 74500, 74525, and 74550 and is 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. Technical specifications include MPN 74850; Manufacturer Timken; Product Type Roller Bearing Cup; Bearing Type Single Row Tapered Roller Bearing Cup (TS); Cup Part Number 74850; Series 74000; Design Units Inch; 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 are Timken 74500, 74525, 74550, and common replacements include SKF 74850, NTN 74850, KOYO 74850. Typical applications include industrial gearboxes, mining equipment, construction machinery, heavy‑duty trailers, and power transmission systems.