BlackStar H120R23 - 120 Pitch R Sprocket - 23 Tooth 4.1/8" 340H100 is a timing belt

340H100 is a timing belt used on positive

Is 12/C144 the same as other brands' 12/C144

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BlackStar H120R23 - 120 Pitch R Sprocket - 23 Tooth 4.1/8" 340H100 is a timing beltThe BlackStar H120R23 is a 120 pitch R roller chain sprocket with 23 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 H120R23 Chain Pitch 120 Number of Teeth 23 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 11. 81" Pitch Diameter 11.