BlackStar H80BS30 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 30 Tooth - 1-3/8" Bore Light Duty The 6/D120 has a 1-1/4"

The 6/D120 has a 1-1/4" width

The Turner HCAK210 32 is a pillow block (low) mounted bearing unit with a 1/8" bore

Dayco 3/D173

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BlackStar H80BS30 1 3/8 K2S - 80 Pitch Finished Bore Sprocket - 30 Tooth - 1-3/8" Bore Light Duty The 6/D120 has a 1-1/4"The BlackStar H80BS30 1 3 8 K2S is a 80 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 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H80BS30 1 3 8 K2S Chain Pitch 80 Number of Teeth 30 Bore