Martin Sprocket & Gear 5016 Roller Chain Coupling

The Martin Sprocket & Gear 5016 roller chain coupling hub transmits torque between two shafts while accommodating minor misalignment and shock loads in industrial power transmission systems. This coupling is designed for ANSI #50 roller chain, with 16 teeth and a 1-7/16 inch finished bore that includes a keyway and set screw for secure mounting. Manufactured from sintered steel with hardened teeth, it offers high torque capacity and long service life in conveyors, pumps, compressors, fans, and other industrial machinery. Its exact dimensions include an outside diameter of 3.32 inches, a hub diameter of 2.50 inches, a hub length of 1-7/16 inches, and an overall length of 3.25 inches; the keyway is 3/8 by 3/16 inches and the set screw is 3/8-16 by 3/8 inches. Maximum operating speed is 4000 RPM and weight is approximately 1.35 lb. Common replacements include Martin 5016 coupling hub with alternate bore sizes, Browning RC5016, and Dodge Chain Coupling Hub Series 5016.