BlackStar H40A30 3/4 - 40 Pitch A-Plate Sprocket - 30 Tooth - 3/4" Bore Double V-Belt so a 2/BK70 from any

so a 2/BK70 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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Continental AX77

"name":"Gates T5-720-32 Synchro-Power Polyurethane Belts"

com/s/files/1/0666/7721/products/Banded_Cogged_Belt_AX_BX_bdfe16c2-ad62-46d9-b6d9-886f66bfdef4

BlackStar H40A30 3/4 - 40 Pitch A-Plate Sprocket - 30 Tooth - 3/4" Bore Double V-Belt so a 2/BK70 from anyThe BlackStar H40A30 3 4 is a 40 pitch A Plate 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 3 4" bore and is ready for immediate installation. Specifications Part Number H40A30 3 4 Chain Pitch 40 Number of Teeth 30 Bore Size 3 4" Bore Type Plain Bore Hub Style A Plate