BlackStar D50SF72 - Double Strand 50 Pitch QD Sprocket - 72 Tooth Modified Curvilinear The D&D Global 10/BK170 is

The D&D Global 10/BK170 is a standard V-belt featuring Classical B-section dimensions

The PIX 8/SPB2800 Industrial - V-Belt is a banded V-belt featuring Metric SPB (17mm) dimensions

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BlackStar D50SF72 - Double Strand 50 Pitch QD Sprocket - 72 Tooth Modified Curvilinear The D&D Global 10/BK170 isThe BlackStar D50SF72 is a 50 pitch double strand QD roller chain sprocket with 72 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 D50SF72 Chain Pitch 50 Number of Teeth 72 Maximum Bore 2 15 16" Bore Type QD Hub Style QD Bushing Required QD Type SF Bushing Strand Count Double