BlackStar 4-3V2500SF - QD Sheave TL7060 The 16AT5/610US is a timing

The 16AT5/610US is a timing belt from D&D Global's Dura-Absolute Torque Urethane Steel - At5 Series line

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The BlackStar H80SF26 is a 80 pitch QD roller chain sprocket with 26 teeth

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BlackStar 4-3V2500SF - QD Sheave TL7060 The 16AT5/610US is a timingThe BlackStar 4 3V2500SF is a 4 groove qd sheave for 3V section belts, manufactured from cast iron. Requires a QD Type SF Bushing (sold separately). Specifications Part Number 4 3V2500SF Product Type QD Sheave Number of Grooves 4 Belt Profile 3V Outside Diameter 25. 00" Bushing Required QD Type SF Bushing Material Cast Iron Approx. Weight 43. 000 lbs Pitch Diameter 25. 0" Compatible Belts 3V Bushing Required This sheave requires a QD Type SF Bushing