BlackStar 6-5V520SD STL - QD Sheave XT The D&D Global 100T5/575R is

The D&D Global 100T5/575R is a synchronous timing belt with T5-pitch profile

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225 Teeth is a synchronous timing belt with 8M-pitch profile

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BlackStar 6-5V520SD STL - QD Sheave XT The D&D Global 100T5/575R isThe BlackStar 6 5V520SD STL is a 6 groove qd sheave for 5V section belts, manufactured from cast iron. Requires a QD Type SD Bushing (sold separately). Specifications Part Number 6 5V520SD STL Product Type QD Sheave Number of Grooves 6 Belt Profile 5V Outside Diameter 5. 20" Bushing Required QD Type SD Bushing Material Cast Iron Approx. Weight 11. 350 lbs Pitch Diameter 52. 0" Compatible Belts 5V Bushing Required This sheave requires a QD Type SD