BlackStar 35H60 - 35 Pitch Split Taper Sprocket - 60 Tooth 32mm com/products/d-and-d-1150-s14m-1652-timing-belt"

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so the BX144 interchanges with Gates BX144

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The 2/A89 is a banded v-belt from D&D Global's Dura-Prime Band Classical - A Series line

BlackStar 35H60 - 35 Pitch Split Taper Sprocket - 60 Tooth 32mm com/products/d-and-d-1150-s14m-1652-timing-belt"The BlackStar 35H60 is a 35 pitch Split Taper roller chain sprocket with 60 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a Split Taper Bushing (sold separately). Specifications Part Number 35H60 Chain Pitch 35 Number of Teeth 60 Bore Type Split Taper Hub Style Split Taper Bushing Required Split Taper Bushing Strand Count Single Material Steel