Browning 80Q31 is a steel, single‑strand roller chain sprocket for 80 chain drives with 31 teeth and Type 4 tooth form. It is designed for a Q1 split-taper bushing, with a bore range from 3/4 in up to 2-11/16 in to fit common adapters, and a hub diameter of 4-1/8 in. The sprocket measures 10.434 in outside diameter and 9.885 in pitch diameter, with bore compatibility that aligns with 80‑chain drive systems.
