BlackStar H40A33 - 40 Pitch A-Plate Sprocket - 33 Tooth Micro-V so the Megadyne 18/C195 interchanges

so the Megadyne 18/C195 interchanges with Gates

"name":"Gates 600-8MGT-12 PowerGrip GT4 Belts - 8M and 14M"

"sku":"TB072053122459"

so a 360-3M-25 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"sku":"TB770075595809"

BlackStar H40A33 - 40 Pitch A-Plate Sprocket - 33 Tooth Micro-V so the Megadyne 18/C195 interchangesThe BlackStar H40A33 is a 40 pitch A Plate roller chain sprocket with 33 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 H40A33 Chain Pitch 40 Number of Teeth 33 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 5. 54" Pitch Diameter