BlackStar 120A30R - 120 Pitch A-Plate Sprocket - 30 Tooth 38mm The D&D Global 25T10/1150R is

The D&D Global 25T10/1150R is a synchronous timing belt with T10-pitch profile

so the XPZ1512 interchanges with Gates XPZ1512

"sku":"11/B237-D&D"

so the Megadyne 12/5V2120 interchanges with Gates

BlackStar 120A30R - 120 Pitch A-Plate Sprocket - 30 Tooth 38mm The D&D Global 25T10/1150R isThe BlackStar 120A30R is a 120 pitch A Plate 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 120A30R Chain Pitch 120 Number of Teeth 30 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Outside Diameter 15. 17" Pitch Diameter 14. 351" Approx. Weight 39. 000 lbs Cross references: Browning