BlackStar 140M80 - 140 Pitch QD Sprocket - 80 Tooth Classical V-Belt 4/3VX435 is a standardized industry

4/3VX435 is a standardized industry size

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245J10 Micro-V Belt

The 1045K2 is a micro-v belt from D&D Global's Dura-Prime Rib Pro Serpentine - K Series line

BlackStar 140M80 - 140 Pitch QD Sprocket - 80 Tooth Classical V-Belt 4/3VX435 is a standardized industryThe BlackStar 140M80 is a 140 pitch QD roller chain sprocket with 80 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Type M Bushing (sold separately). Specifications Part Number 140M80 Chain Pitch 140 Number of Teeth 80 Maximum Bore 5 1 2" Bore Type QD Hub Style QD Bushing Required QD Type M Bushing Strand Count Single Material Steel Outside