BlackStar 80R36 - 80 Pitch R Sprocket - 36 Tooth 1.3/16" What is the temperature rating

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BlackStar 80R36 - 80 Pitch R Sprocket - 36 Tooth 1.3/16" What is the temperature ratingThe BlackStar 80R36 is a 80 pitch R roller chain sprocket with 36 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Requires a Split Taper Bushing (sold separately). Specifications Part Number 80R36 Chain Pitch 80 Number of Teeth 36 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Outside Diameter 12. 03" Pitch Diameter 11. 474" Approx. Weight 19. 500 lbs