Timken 3490-T Single Row Tapered Roller Bearing Cone

Timken 3490-T is the single-row tapered roller bearing cone (inner cone) from the 3400 Series, designed to pair with Timken 3420 cup to form a complete tapered roller bearing assembly that handles combined radial and axial loads while preserving accurate shaft alignment. The "-T" suffix denotes a manufacturing variation and does not affect dimensions or compatibility. Its separable cone design simplifies installation, adjustment, and maintenance, making it suitable for automotive wheel hubs, trailers, conveyor systems, industrial gearboxes, agricultural equipment, and construction machinery. Key specs: MPN 3490-T; bore 1.5000 in (38.100 mm); cone width 1.1721 in (29.771 mm); cage material stamped steel; bearing material through-hardened steel; dynamic radial load rating (C1) 105,000 N (23,500 lbf); dynamic radial load rating (C90) 27,100 N (6,100 lbf); static radial load rating (C0) 119,000 N (26,800 lbf); dynamic axial load rating (Ca90) 17,000 N (3,820 lbf). Other relevant figures include e 0.37, K 1.60, Y 1.64 (assembly dependent), geometry factor Cg 0.0781, and the effective center location −8.6 mm (−0.34 in). Weight is approximately 0.44 kg (1.0 lb).