BlackStar 8-3V690SK - QD Sheave AT5US so the Megadyne B109 interchanges

so the Megadyne B109 interchanges with Gates

"name":"Gates XPA1680 Metric-Power V-Belts"

so a 150-S8M-760 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

Is 3/8V2800 the same as other brands' 3/8V2800

BlackStar 8-3V690SK - QD Sheave AT5US so the Megadyne B109 interchangesThe BlackStar 8 3V690SK is a 8 groove qd sheave for 3V section belts, manufactured from cast iron. Requires a QD Type SK Bushing (sold separately). Specifications Part Number 8 3V690SK Product Type QD Sheave Number of Grooves 8 Belt Profile 3V Outside Diameter 6. 90" Bushing Required QD Type SK Bushing Material Cast Iron Approx. Weight 18. 000 lbs Pitch Diameter 69. 0" Compatible Belts 3V Bushing Required This sheave requires a QD Type SK Bushing to