BlackStar H100A40 - 100 Pitch A-Plate Sprocket - 40 Tooth 4.15/16" The 4L section is an

The 4L section is an ANSI/RMA fractional horsepower standard

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BlackStar H100A40 - 100 Pitch A-Plate Sprocket - 40 Tooth 4.15/16" The 4L section is anThe BlackStar H100A40 is a 100 pitch A Plate roller chain sprocket with 40 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. Specifications Part Number H100A40 Chain Pitch 100 Number of Teeth 40 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 16. 63" Pitch