BlackStar H40A34 - 40 Pitch A-Plate Sprocket - 34 Tooth M Prefer our D&D Global equivalent:

Prefer our D&D Global equivalent: 1030K6 Micro-V Belt

"mpn":"1274-14M-170-D&D"

so a 6/BX87 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name":"D&D Global 14/B152 V-Belt - B Section

BlackStar H40A34 - 40 Pitch A-Plate Sprocket - 34 Tooth M Prefer our D&D Global equivalent:The BlackStar H40A34 is a 40 pitch A Plate roller chain sprocket with 34 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 H40A34 Chain Pitch 40 Number of Teeth 34 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 5. 70" Pitch Diameter