BlackStar DS80A17H 1 15/16 K2S - Double-Single 80 Pitch A-Plate Sprocket - 17 Tooth - 1-15/16" Bore Long Length com/products/gates-10-5v530-super-hc-powerband-v-belt"

com/products/gates-10-5v530-super-hc-powerband-v-belt"

"name":"Gates 11/B75 Hi-Power II PowerBand V-Belts 909311075"

so the BX57 interchanges with Gates BX57

so a 385L8 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

What is the Megadyne 17/B210 used for

BlackStar DS80A17H 1 15/16 K2S - Double-Single 80 Pitch A-Plate Sprocket - 17 Tooth - 1-15/16" Bore Long Length com/products/gates-10-5v530-super-hc-powerband-v-belt"The BlackStar DS80A17H 1 15 16 K2S is a 80 pitch double single strand A Plate roller chain sprocket with 17 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 15 16" bore and is ready for immediate installation. Specifications Part Number DS80A17H 1 15 16 K2S Chain Pitch 80 Number of Teeth 17 Bore Size 1 15 16" Bore Type Plain Bore Hub Style A Plate