BlackStar BK75H - QD Sheave MultiSpeed 9mm Length 920 mm Material

9mm Length 920 mm Material Neoprene Reinforcement Aramid (Kevlar) Color Black Temperature Range -30°F to 185°F

so a 145H300 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

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The BlackStar H40A32 is a 40 pitch A-Plate roller chain sprocket with 32 teeth

BlackStar BK75H - QD Sheave MultiSpeed 9mm Length 920 mm MaterialThe BlackStar BK75H is a 1 groove QD sheave for B section V belts, manufactured from cast iron. Requires an QD Type H Bushing (sold separately) to mount to your shaft. Quick disconnect design allows fast install and removal. Specifications Part Number BK75H Product Type QD Sheave Number of Grooves 1 Belt Profile B Section V Belt Bushing Required QD Type H Bushing Material Cast Iron Pitch Diameter 7. 5" Outside Diameter 7. 84" Compatible Belts A, B,