BlackStar H40BS22 1 7/16 K2S - 40 Pitch Finished Bore Sprocket - 22 Tooth - 1-7/16" Bore B so the Megadyne C65 interchanges

so the Megadyne C65 interchanges with Gates

31" Effective Length 125

"sku":"TB072053922080"

com/s/files/1/0666/7721/products/QD_Sheave_82ebbcf0-1f7c-4e0c-a790-12f89ec098dd

so a 2/BK145 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

BlackStar H40BS22 1 7/16 K2S - 40 Pitch Finished Bore Sprocket - 22 Tooth - 1-7/16" Bore B so the Megadyne C65 interchangesThe BlackStar H40BS22 1 7 16 K2S is a 40 pitch Finished Bore roller chain sprocket with 22 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. This sprocket has a 1 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H40BS22 1 7 16 K2S Chain Pitch 40 Number of Teeth 22