D&D Global 14/5VK1210 Heavy-Duty Banded V-Belt - 5V Section, 14 Bands, 121in Micro-V 1304-8M-20 is a timing belt

1304-8M-20 is a timing belt used on positive

so a 1208-8M-50 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Sheave Type QD Groove Count 5 Outside Diameter 6

"name":"Continental 4120605 OETS MULTI-V BELT"

The Gates AR113 Xtreme V-Force Pro Belts is a standard V-belt featuring Automotive-section dimensions

D&D Global 14/5VK1210 Heavy-Duty Banded V-Belt - 5V Section, 14 Bands, 121in Micro-V 1304-8M-20 is a timing beltThe D&D Global 14 5VK1210 is a standard V belt featuring Narrow wedge 5V dimensions, manufactured by D&D Global. This belt features a smooth sided design for general purpose industrial power transmission. Constructed with Neoprene body compound and aramid (kevlar) tensile members for reliable power transmission and long service life. Specifications Belt Section 5V Sub Type Standard Width 5 8" Thickness 17 32" Length 121 in Material Neoprene