The Timken Company K8113 Bearing Lock Nut 3.62 In OD 1.25 In Width

The Timken K8113 bearing lock nut is a precision shaft-retention accessory that securely positions and preloads bearings on threaded shafts in industrial rotating equipment. It installs on threaded shafts to retain bearings with accurate preload, helping prevent axial movement and maintain proper bearing adjustment under demanding conditions. Specifications include Series K, MPN K8113, outside diameter 3.620 in (91.95 mm), width 1.250 in (31.75 mm), weight 1.73 lb (0.78 kg), and steel construction. Commonly used in industrial gearboxes, conveyors, mining and aggregate equipment, construction machinery, agricultural equipment, and power transmission systems to ensure secure bearing installation and reliable long-term performance. Common replacements include Timken K8113 and K8113M.