BlackStar 60BS48 1 3/4 K2S - 60 Pitch Finished Bore Sprocket - 48 Tooth - 1-3/4" Bore Roller Clutch Bearing v=1673991088"

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v=1629583422"

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so a 16/B105 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

BlackStar 60BS48 1 3/4 K2S - 60 Pitch Finished Bore Sprocket - 48 Tooth - 1-3/4" Bore Roller Clutch Bearing v=1673991088"The BlackStar 60BS48 1 3 4 K2S is a 60 pitch Finished Bore roller chain sprocket with 48 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 60BS48 1 3 4 K2S Chain Pitch 60 Number of Teeth 48 Bore Size 1 3 4" Minimum Bore 1" Maximum Bore 2 7 16" Bore