BlackStar H60BS30 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 30 Tooth - 1-7/16" Bore 7.1/2" so the C67 interchanges with

so the C67 interchanges with Gates C67

What does the H in 1900H150 mean

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"price":"5720

3/4 QD Bushings - English Sizes 78392212 is a taper-lock bushing

BlackStar H60BS30 1 7/16 K2S - 60 Pitch Finished Bore Sprocket - 30 Tooth - 1-7/16" Bore 7.1/2" so the C67 interchanges withThe BlackStar H60BS30 1 7 16 K2S is a 60 pitch Finished Bore roller chain sprocket with 30 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 H60BS30 1 7 16 K2S Chain Pitch 60 Number of Teeth 30