BlackStar D50SF76 - Double Strand 50 Pitch QD Sprocket - 76 Tooth Cogged Cogged V-Belt "name":"D&D Global 32T10/2410US Timing Belt

"name":"D&D Global 32T10/2410US Timing Belt — T10 Section

com/products/d-and-d-330j14-micro-v-belt"

Number of Teeth 126 Width 37mm

so a 2/BK153 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

BlackStar D50SF76 - Double Strand 50 Pitch QD Sprocket - 76 Tooth Cogged Cogged V-Belt "name":"D&D Global 32T10/2410US Timing BeltThe BlackStar D50SF76 is a 50 pitch double strand QD roller chain sprocket with 76 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Type SF Bushing (sold separately). Specifications Part Number D50SF76 Chain Pitch 50 Number of Teeth 76 Maximum Bore 2 15 16" Bore Type QD Hub Style QD Bushing Required QD Type SF Bushing Strand Count Double