BlackStar H40A32 - 40 Pitch A-Plate Sprocket - 32 Tooth 30mm so the 6/8V2120 interchanges with

so the 6/8V2120 interchanges with Gates 6/8V2120

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1390-5M-15 has a 5 mm tooth pitch

The Gates 12/BX83 Tri-Power PowerBand Belts 909812083 is a banded V-belt featuring Cogged B-section dimensions

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BlackStar H40A32 - 40 Pitch A-Plate Sprocket - 32 Tooth 30mm so the 6/8V2120 interchanges withThe BlackStar H40A32 is a 40 pitch A Plate roller chain sprocket with 32 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. Specifications Part Number H40A32 Chain Pitch 40 Number of Teeth 32 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 5. 38" Pitch Diameter