BlackStar 5-5V490SD STL - QD Sheave 3.1/8" The BlackStar M 3 3/16

The BlackStar M 3 3/16 is a M series qd bushing with a 3 3/16" finished bore

The Continental O-140S-M SilentSync Sprocket is a timing belt sprocket from Continental

so the AX32 interchanges with Gates AX32

6/C92 is a banded v-belt used on industrial drives - fans and blowers

"name":"Bando 4PK830A Automotive Serpentine Belt"

BlackStar 5-5V490SD STL - QD Sheave 3.1/8" The BlackStar M 3 3/16The 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