BlackStar 40BS37 7/8 K2S - 40 Pitch Finished Bore Sprocket - 37 Tooth - 7/8" Bore Micro-V 1040K6 has 6 ribs and

1040K6 has 6 ribs and a 104

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BlackStar 40BS37 7/8 K2S - 40 Pitch Finished Bore Sprocket - 37 Tooth - 7/8" Bore Micro-V 1040K6 has 6 ribs andThe BlackStar 40BS37 7 8 K2S is a 40 pitch Finished Bore roller chain sprocket with 37 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 7 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS37 7 8 K2S Chain Pitch 40 Number of Teeth 37 Bore Size 7 8" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore Type