The Timken Company W310PP Deep Groove Ball Bearing

The Timken Fafnir W310PP is a single‑row, deep groove ball bearing from the 300 Series Wide Ring designed for radial loads with moderate axial support in industrial rotating equipment. It features a 50 mm bore, 110 mm outside diameter, and 44.45 mm width, with a steel cage, steel balls, a straight bore, and double contact seals (PP) for contamination protection. With a dynamic load rating of 68,600 N (15,400 lbf) and a static load rating of 37,900 N (8,510 lbf), it supports demanding service in electric motors, conveyors, pumps, gearboxes, processing machinery, and other power transmission applications, up to a limiting speed of 3,750 rpm grease or 4,375 rpm oil. Weighing 1.83 kg (4.03 lb), this bearing is commonly used as a replacement in Timken 310PP, SKF 6310-2RS, and NTN 6310LLU installations.