Timken M 86643 Tapered Roller Bearing Cone

The Timken M86643 tapered roller bearing cone is a precision inner race designed for TS (Single Row Tapered) bearing configurations that support combined radial and axial loads in automotive wheel hubs, trailers, agricultural machinery, industrial gearboxes, conveyors, and power transmission equipment. Made from through-hardened bearing steel with a stamped steel cage, it is part of the M86600 Series, has a 1.0000 in bore and 0.8438 in inner ring width, weighs 0.90 lb, and is designed to be used with Timken M86610 bearing cup to form a complete TS bearing assembly. Key ratings include Dynamic Radial Load Rating (C1) 13,500 lbf (60,200 N), Dynamic Radial Load Rating (C90) 3,510 lbf (15,600 N), Static Radial Load Rating (C0) 16,100 lbf (71,700 N), and Dynamic Axial Load Rating (Ca90) 3,280 lbf (14,600 N); additional dimensional data includes Maximum Shaft Fillet Radius 0.060 in (1.50 mm), Shaft Backing Shoulder Diameter – Frontface (da) 1.44 in (36.5 mm) and Backface (db) 1.50 in (38.0 mm), and Cage Location Relative to Frontface (Ab) 0.070 in (1.8 mm) and Backface (Aa) 0.030 in (0.8 mm). Compatible bearing cup: Timken M86610.