Browning C50B18 RSB Industrial Gear Sprocket System

The Browning C50B18 RSB is a 50-pitch chain‑coupling hub with 18 teeth and a rough-bore (RSB) configuration, designed for reliable power transfer in industrial drive systems. Machined from steel, it features a 4.1875-inch outside diameter, a 2.9688-inch hub diameter, a 1.6875-inch hub length, and a 0.4063-inch length between sprockets, all suited to a matching 50‑pitch chain and sprocket pair. Bore type is Rough Stock, and the assembly weighs 3.35 lb, with a maximum operating speed of 3600 rpm; this component corresponds to Mfr catalog number 3850583 and UPC 662289698691. Designed for chain-coupling applications, the C50B18 RSB serves as the hub portion of Browning’s chain coupling systems, enabling compact, high‑torque connections in conveyors, material handling, and other industrial machinery that rely on Browning chain sprockets.