The Timken Company 74550-20024 Tapered Roller Bearing

The Timken 74550-20024 tapered roller bearing cone is a precision inner race assembly for single-row tapered roller bearing systems that support combined radial and axial loads in heavy-duty rotating equipment. It is designed for use with compatible Timken cups and is commonly installed in industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, and power transmission systems where accurate shaft alignment and dependable load handling are required. Technical specifications include MPN 74550-20024; Cone Part 74550; Series 74000; design units Inch (Imperial); material through-hardened chrome steel; ABMA Class 2 precision; bore 5.5000 in (139.700 mm); inner ring width 1.8750 in (47.625 mm); dynamic radial load rating C1 85,900 lbf (382,000 N); dynamic radial load rating C90 22,300 lbf (99,000 N); static radial load rating C0 138,000 lbf (614,000 N); dynamic axial load rating Ca90 18,600 lbf (82,600 N); maximum shaft fillet radius 0.140 in (3.600 mm); shaft backing shoulder diameters da 5.94 in (151.00 mm) frontface and db 6.22 in (158.00 mm) backface; geometry factor Cg 0.134; weight 28.43 lb (12.897 kg); compatible bearing cups Timken 74845, 74850, 74850W, 74856; typical applications include industrial gearboxes, mining equipment, construction machinery, heavy-duty trailers, and power transmission systems requiring dependable load distribution and long service life.