Industrial 50BS15X1-3 8H E100 Roller Chain Sprocket

The Industrial 50BS15X1-3 8H E100 Roller Chain Sprocket is a single-strand steel roller chain sprocket designed for ANSI #50 power-transmission systems. It features 15 teeth, a finished bore of 1-3/8 inches, and a 5/8 inch chain pitch for direct shaft mounting with precise engagement, with an outside diameter of 3.315–3.320 inches and a pitch diameter of 3.006 inches. The Type B hub measures 2-3/8 inches, through-bore length is 1 inch, the keyway is 5/16 x 5/32 inch, and the set screw is 5/16-18 x 5/16 inch, while the teeth are hardened and the part weighs approximately 1.3 lb. The E100 marking indicates a steel construction with a protective finish for industrial use, and this shaft-mounted sprocket is commonly employed in conveyors, packaging equipment, agricultural machinery, and manufacturing systems where reliable torque transmission and long service life are essential.