BlackStar H120A21R - 120 Pitch A-Plate Sprocket - 21 Tooth 3.3/4" so a 2/3VX250 from any

so a 2/3VX250 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

so the 5/5VX1400 interchanges with Gates 5/5VX1400

The Gates 4/3VP1060 Predator PowerBand Belts 91804106 is a banded V-belt featuring Narrow wedge 3V dimensions

"mpn":"2/SPC4000-PIX"

BlackStar H120A21R - 120 Pitch A-Plate Sprocket - 21 Tooth 3.3/4" so a 2/3VX250 from anyThe BlackStar H120A21R is a 120 pitch A Plate roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number H120A21R Chain Pitch 120 Number of Teeth 21 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 10. 85" Pitch