BlackStar H100BS21 2 1/4 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2-1/4" Bore J "text": "1700H150 is a timing

"text": "1700H150 is a timing belt used on positive

com/s/files/1/0666/7721/files/Banded_VF_Belts_51b472bc-4f7b-41b0-a1a9-b5c38f224ec3

"text": "2/B86 is a banded v-belt used on industrial drives - fans and blowers

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BlackStar H100BS21 2 1/4 K2S - 100 Pitch Finished Bore Sprocket - 21 Tooth - 2-1/4" Bore J "text": "1700H150 is a timingThe BlackStar H100BS21 2 1 4 K2S is a 100 pitch Finished Bore roller chain sprocket with 21 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 2 1 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H100BS21 2 1 4 K2S Chain Pitch 100 Number of Teeth 21