80B49 Sprocket, 80BS49, 49 Tooth sprocket

Carbon steel with heat treated teeth, 2 set screws and keyway OD:16.18"

80B49 Sprocket.  This Sprocket is for use with #80 Roller Chain, and has 49 Teeth.  The number on your sprocket might be 80 B 49,80B49,80BS49.This roller chain sprocket has hardened teeth for long life of the sprocket.