BlackStar 2VP71 1 5/8 TYP5 STL - Variable Pitch Sheave - 1 5/8 TYP5" Bore C-Hub The SPZ2840 is used for

The SPZ2840 is used for general-purpose industrial drives

and Jason Industrial 18/3VX530

so a 2/B178 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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com/s/files/1/0666/7721/products/L_G_Spec_App_321b0a20-45b0-4a16-b643-d1cfeaf251d3

BlackStar 2VP71 1 5/8 TYP5 STL - Variable Pitch Sheave - 1 5/8 TYP5" Bore C-Hub The SPZ2840 is used forThe BlackStar 2VP71 1 5 8 TYP5 STL is a 2 groove variable pitch sheave, manufactured from cast iron. Specifications Part Number 2VP71 1 5 8 TYP5 STL Product Type Variable Pitch Sheave Number of Grooves 2 Bore Size 1 5 8 TYP5" Material Cast Iron Approx. Weight 1. 5 lbs Belt Profile A B (Variable Pitch) Cross references: Browning 2VP71 1 5 8 TYP5 STL