Timken 3490/3420 Single Row Tapered Roller Bearing Set

The Timken 3490/3420 is a matched single-row tapered roller bearing set pairing cone 3490 with cup 3420 to support combined radial and axial loads while maintaining precise shaft alignment and smooth rotation. Its separable cone-and-cup design simplifies installation and maintenance, making it suitable for automotive wheel hubs, trailer axles, industrial gearboxes, conveyors, and agricultural machinery. Key dimensions and ratings include a 1.5000 in (38.100 mm) bore, 3.1250 in (79.375 mm) outside diameter, and 1.1563 in (29.370 mm) overall width (cone 1.1721 in / 29.771 mm, cup 0.9375 in / 23.813 mm); weight ≈ 0.70 kg (1.4 lb). The bearing features through-hardened bearing steel and a stamped steel cage, with dynamic radial load rating (C1) 105,000 N (23,500 lbf), dynamic radial rating (C90) 27,100 N (6,100 lbf), static radial rating (C0) 119,000 N (26,800 lbf), and dynamic axial rating (Ca90) 17,000 N (3,820 lbf). Common replacements include Timken 3490/3420, SKF 3490/3420, and NTN 3490/3420 tapered roller bearing sets.