BlackStar 5-5V490SD STL - QD Sheave 3.1/8" The 17/3VX600 is used for

The 17/3VX600 is used for high-shock and high-vibration drives

so the Megadyne 10/B100 interchanges with Gates

and a 1248 mm (Pitch Length)

so the AX32 interchanges with Gates AX32

BlackStar 5-5V490SD STL - QD Sheave 3.1/8" The 17/3VX600 is used forThe BlackStar 5 5V490SD STL is a 5 groove qd sheave for 5V section belts, manufactured from cast iron. Requires a QD Type SD Bushing (sold separately). Specifications Part Number 5 5V490SD STL Product Type QD Sheave Number of Grooves 5 Belt Profile 5V Outside Diameter 4. 90" Bushing Required QD Type SD Bushing Material Cast Iron Approx. Weight 11. 100 lbs Pitch Diameter 49. 0" Compatible Belts 5V Bushing Required This sheave requires a QD Type SD