BlackStar H60BS21 1 1/4 K2S - 60 Pitch Finished Bore Sprocket - 21 Tooth - 1-1/4" Bore Hanger Bearing com/s/files/1/0666/7721/products/Banded_V_Belt_44f52495-be21-44c0-ba47-6254dc5cd212

com/s/files/1/0666/7721/products/Banded_V_Belt_44f52495-be21-44c0-ba47-6254dc5cd212

so the SPB3150 interchanges with Gates SPB3150

com/s/files/1/0666/7721/products/Banded_VF_Belts_f012d67b-e986-4610-9698-bf31762e265e

"sku":"TB072053620719"

BlackStar H60BS21 1 1/4 K2S - 60 Pitch Finished Bore Sprocket - 21 Tooth - 1-1/4" Bore Hanger Bearing com/s/files/1/0666/7721/products/Banded_V_Belt_44f52495-be21-44c0-ba47-6254dc5cd212The BlackStar H60BS21 1 1 4 K2S is a 60 pitch Finished Bore 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. This sprocket has a 1 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H60BS21 1 1 4 K2S Chain Pitch 60 Number of Teeth 21 Bore