BlackStar 1VL44 7/8 TYPE A - Variable Pitch Sheave - 7/8" Bore Bushing-N What does the 8M in

What does the 8M in 1784-8M-30 mean

com/s/files/1/0666/7721/products/QD_Sheave_01739760-fa0e-4175-a0d7-ecbd1c4e7dab

com/s/files/1/0666/7721/products/W_SilentSync_Sprocket_b8d95daa-c981-412b-853c-69792b808df3

320J7 ships from our Houston

The BlackStar 50BTL44 is a 50 pitch Taper Lock roller chain sprocket with 44 teeth

BlackStar 1VL44 7/8 TYPE A - Variable Pitch Sheave - 7/8" Bore Bushing-N What does the 8M inThe BlackStar 1VL44 7 8 TYPE A is a 1 groove variable pitch sheave, manufactured from cast iron. Specifications Part Number 1VL44 7 8 TYPE A Product Type Variable Pitch Sheave Number of Grooves 1 Bore Size 7 8" Material Cast Iron Approx. Weight 1. 5 lbs Belt Profile A B (Variable Light) Cross references: Browning 1VL44 7 8 TYPE A