BlackStar H80Q60 - 80 Pitch Q Sprocket - 60 Tooth Pitch-2060 The BlackStar SDS 1 3/16

The BlackStar SDS 1 3/16 is a SDS series qd bushing with a 1 3/16" finished bore

com/s/files/1/0666/7721/products/Banded_Kevlar_V_Belt_70043659-06a8-4c79-9a82-6c593914e456

so a 2500-20M-170 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

The BlackStar H100R28 is a 100 pitch R roller chain sprocket with 28 teeth

BlackStar H80Q60 - 80 Pitch Q Sprocket - 60 Tooth Pitch-2060 The BlackStar SDS 1 3/16The BlackStar H80Q60 is a 80 pitch Q roller chain sprocket with 60 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 H80Q60 Chain Pitch 80 Number of Teeth 60 Bore Type Plain Bore Hub Style Q Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 19. 68" Pitch Diameter 19. 107"