BlackStar 2-3V475SH STL - QD Sheave flexco-alligator-1a "text": "The 6/B210 is used

"text": "The 6/B210 is used for high-shock and high-vibration drives

"name":"PIX 2/SPA1575 Industrial V-Belt"

so the 7/8V5000 interchanges with Gates 7/8V5000

15 lbs Pitch Diameter 50

BlackStar 2-3V475SH STL - QD Sheave flexco-alligator-1a "text": "The 6/B210 is usedThe BlackStar 2 3V475SH STL is a 2 groove qd sheave for 3V section belts, manufactured from cast iron. Requires a QD Type SH Bushing (sold separately). Specifications Part Number 2 3V475SH STL Product Type QD Sheave Number of Grooves 2 Belt Profile 3V Outside Diameter 4. 75" Bushing Required QD Type SH Bushing Material Cast Iron Approx. Weight 3. 400 lbs Pitch Diameter 47. 5" Compatible Belts 3V Bushing Required This sheave requires a QD Type SH