BlackStar 2VP60 7/8 TYPE B - Variable Pitch Sheave - 7/8" Bore Pitch-2040 so the Megadyne 11/B90 interchanges

so the Megadyne 11/B90 interchanges with Gates

The Continental 4080560 OETS MULTI-V BELT is a Micro-V (multi-ribbed) belt with Micro-V PK-section dimensions

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BlackStar 2VP60 7/8 TYPE B - Variable Pitch Sheave - 7/8" Bore Pitch-2040 so the Megadyne 11/B90 interchangesThe BlackStar 2VP60 7 8 TYPE B is a 2 groove variable pitch sheave, manufactured from cast iron. Specifications Part Number 2VP60 7 8 TYPE B Product Type Variable Pitch Sheave Number of Grooves 2 Bore Size 7 8" Material Cast Iron Approx. Weight 1. 5 lbs Belt Profile A B (Variable Pitch) Cross references: Browning 2VP60 7 8 TYPE B