BlackStar 80Q72 - 80 Pitch Q Sprocket - 72 Tooth Tapered Roller Bearing "mpn":"1085H200-D&D"

"mpn":"1085H200-D&D"

so a 300-S8M-720 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

com/s/files/1/0666/7721/products/K_Section_18612668-3a40-46d2-b699-f9cfa6b2106f

The D&D Global 15/B173 is a standard V-belt featuring Classical B-section dimensions

BlackStar 80Q72 - 80 Pitch Q Sprocket - 72 Tooth Tapered Roller Bearing "mpn":"1085H200-D&D"The BlackStar 80Q72 is a 80 pitch Q roller chain sprocket with 72 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Requires a Split Taper Bushing (sold separately). Specifications Part Number 80Q72 Chain Pitch 80 Number of Teeth 72 Bore Type Plain Bore Hub Style Q Strand Count Single Material Steel Outside Diameter 23. 50" Pitch Diameter 22. 926" Approx. Weight 67. 500 lbs