Specifications for Belt Size 669-3M-15 Cross References Numbers: 669-3M,  669-3M-15,  669-3M/15 Number of Teeth 223 *Length of Belt 669mm or ~26-5/16" Peak to Peak Distance Between Two Adjacent Belt Teeth 3mm or ~1/8" Width of Belt 15mm or ~9/16"

*Length of belt is the overall size of the belt's loop measured as if the belt were cut between two adjacent teeth and laid out on a flat surface.