BlackStar 120B30 - 120 Pitch B-Hub Sprocket - 30 Tooth Polyurethane so a 12/SPC7500 from any

so a 12/SPC7500 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"name":"Bando 7PK1440 Automotive Serpentine Belt"

so the BX29 interchanges with Gates BX29

8/3VX900 has a top width of 3

BlackStar 120B30 - 120 Pitch B-Hub Sprocket - 30 Tooth Polyurethane so a 12/SPC7500 from anyThe BlackStar 120B30 is a 120 pitch B Hub roller chain sprocket with 30 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number 120B30 Chain Pitch 120 Number of Teeth 30 Minimum Bore 1 1 2" Maximum Bore 4" Bore Type Plain Bore Hub Style B Hub Strand Count Single Material Steel Outside Diameter 15. 17" Pitch Diameter 14. 351" Approx. Weight 50. 2 lbs