Industrial S615 External Spur Gear With Hub 1 Inch Bore 15 Teeth 6 DP

The Martin S615 external spur gear with hub is a steel, 15-tooth spur gear rated at 6 diametral pitch (DP) with a 14.5° pressure angle and a 1.5-inch face width, designed for compact power-transmission applications. It uses a 1.0-inch bore that is reboreable to 1-1/4 inches and includes a 2-inch hub for mounting on a shaft. The gear's pitch diameter is 2.5 inches and its outside diameter is about 2.833 inches, making it a precise, stock option for shaft-driven gear trains. This part belongs to the standard S615 family and is offered with a bore option from 1 inch up to 1-1/4 inches, commonly used in machine drives and other industrial gear assemblies that require a 15-tooth, 6 DP external gear.