BlackStar H78BS13 1 7/16 K2S - 78 Pitch Finished Bore Sprocket - 13 Tooth - 1-7/16" Bore PoweRated V-Belts The 8V section and length

The 8V section and length are industry-standard

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"name": "Is 8/D162 interchangeable with Gates 8/D162

The 3/A81 is a banded v-belt from D&D Global's Dura-Prime Band Classical - A Series line

BlackStar H78BS13 1 7/16 K2S - 78 Pitch Finished Bore Sprocket - 13 Tooth - 1-7/16" Bore PoweRated V-Belts The 8V section and lengthThe BlackStar H78BS13 1 7 16 K2S is a 78 pitch Finished Bore roller chain sprocket with 13 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. This sprocket has a 1 7 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H78BS13 1 7 16 K2S Chain Pitch 78 Number of Teeth 13