Timken 5203KC1 Double Row Angular Contact Ball Bearing

The Timken 5203KC1 is a Conrad-design, double-row angular contact ball bearing with a 17 mm bore, engineered to support combined radial and axial loads with high rigidity and smooth operation. It is an open (unsealed) bearing featuring C1 internal clearance and a 20° contact angle, using through-hardened bearing steel raceways and a pressed steel cage, and designed for oil or grease lubrication. Its dimensions are bore 17 mm, outer diameter 40 mm, and width 17.48 mm, with a maximum shaft fillet radius of 0.6 mm and a weight of approximately 0.09 kg. The bearing carries a basic dynamic load rating of 16.1 kN and a basic static load rating of 9.05 kN; manufacturer part number 5203KC1 (Timken/Fafnir), in the 5200 series. Typical applications include electric motors, pumps, compressors, industrial gearboxes, conveyors, agricultural equipment, and power transmission machinery.