BlackStar 80BS45 2 7/16 K2S - 80 Pitch Finished Bore Sprocket - 45 Tooth - 2-7/16" Bore Tapered Roller Bearing com/products/diesel-belting-725-5m-20-timing-belt"

com/products/diesel-belting-725-5m-20-timing-belt"

"text": "The B86 is used for general-purpose industrial drives

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What is 270J20 used for

BlackStar 80BS45 2 7/16 K2S - 80 Pitch Finished Bore Sprocket - 45 Tooth - 2-7/16" Bore Tapered Roller Bearing com/products/diesel-belting-725-5m-20-timing-belt"The BlackStar 80BS45 2 7 16 K2S is a 80 pitch Finished Bore roller chain sprocket with 45 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 80BS45 2 7 16 K2S Chain Pitch 80 Number of Teeth 45 Bore Size 2 7 16" Minimum Bore 1 3 8" Maximum Bore 2 15