BlackStar SD 1 3/16 - QD Bushing - 1 3/16" Bore Series-IDR1 so a 3/SPB3750 from any

so a 3/SPB3750 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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BlackStar SD 1 3/16 - QD Bushing - 1 3/16" Bore Series-IDR1 so a 3/SPB3750 from anyThe BlackStar SD 1 3 16 is a SD series qd bushing with a 1 3 16" finished bore, precision manufactured from high grade steel. QD (Quick Disconnect) bushings feature a split taper design that allows fast, easy installation and removal without disturbing other drive components. Specifications Part Number SD 1 3 16 Bushing Type QD Series SD Bore Size 1 3 16" Minimum Bore 1 2" Maximum Bore 1 11 16" Outside Diameter 2. 187" Length 1 13 16" Material Steel