Timken 394A Tapered Roller Bearing Cup Outer Race

Timken 394A tapered roller bearing cup is a single-row outer race used in Timken tapered roller bearing assemblies for heavy-duty rotating equipment and industrial power transmission systems. Commonly installed in industrial gearboxes, conveyor drives, mining machinery, construction equipment, agricultural machinery, and heavy-duty axle assemblies, it provides reliable support for combined radial and axial loads, with maintenance teams, OEMs, and system integrators relying on it for equipment repair and drivetrain retrofits. Key specifications include: Manufacturer Part Number 394A; Outside Diameter 4.3307 in (110.000 mm); Cup Width 0.7411 in (18.824 mm); Maximum Housing Fillet Radius 0.050 in (1.270 mm); Housing Backing Shoulder Diameters Da 4.15 in (105.40 mm) and Db 3.98 in (101.09 mm); Geometry Factor Cg 0.0984; Weight 1.6 lb (0.7 kg). Compatible Cones: Timken 392A, 395A, 395CS, 396A, 399A; Common Replacements: SKF 394A, NTN 394A, KOYO 394A.