BlackStar 8-5V1030F STL - QD Sheave flexco-sr-r512 "text": "The C144 is used

"text": "The C144 is used for general-purpose industrial drives

com/products/pix-8-5v920-industrial-v-belt"

The D&D Global 1035H300 is a synchronous timing belt with H-pitch profile

1080K5 is a standardized industry size

BlackStar 8-5V1030F STL - QD Sheave flexco-sr-r512 "text": "The C144 is usedThe BlackStar 8 5V1030F STL is a 8 groove qd sheave for 5V section belts, manufactured from cast iron. Requires a QD Type F Bushing (sold separately). Specifications Part Number 8 5V1030F STL Product Type QD Sheave Number of Grooves 8 Belt Profile 5V Outside Diameter 10. 30" Bushing Required QD Type F Bushing Material Cast Iron Approx. Weight 64. 200 lbs Pitch Diameter 10. 3" Compatible Belts 5V Bushing Required This sheave requires a QD Type F