Specifications for Belt Size 740-5M-20 Cross References Numbers: 740-5M,  740-5M-20,  740-5M/20 Number of Teeth 148 *Length of Belt 740mm or ~29-1/8" Peak to Peak Distance Between Two Adjacent Belt Teeth 5mm or ~3/16" Width of Belt 20mm or ~3/4"

*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.