BlackStar 60BS28 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 28 Tooth - 1-7/16" Bore Narrow Take-Up with Pin and Jason Industrial 5/5V2500

and Jason Industrial 5/5V2500

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so a 2/C130 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar 60BS28 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 28 Tooth - 1-7/16" Bore Narrow Take-Up with Pin and Jason Industrial 5/5V2500The BlackStar 60BS28 1 7 16 K2S is a 60 pitch Finished Bore roller chain sprocket with 28 teeth, precision manufactured from SAE 1045 steel 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 60BS28 1 7 16 K2S Chain Pitch 60 Number of Teeth 28 Bore Size 1 7 16" Minimum Bore 1" Maximum Bore 1 15 16"