BlackStar 4-8V2120J - QD Sheave TL4535 The D&D Global 100T5/410R is

The D&D Global 100T5/410R is a synchronous timing belt with T5-pitch profile

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Martin SF 45MM STL

BlackStar 4-8V2120J - QD Sheave TL4535 The D&D Global 100T5/410R isThe BlackStar 4 8V2120J is a 4 groove qd sheave for 8V section belts, manufactured from cast iron. Requires a QD Type J Bushing (sold separately). Specifications Part Number 4 8V2120J Product Type QD Sheave Number of Grooves 4 Belt Profile 8V Outside Diameter 21. 20" Bushing Required QD Type J Bushing Material Cast Iron Approx. Weight 145. 000 lbs Pitch Diameter 21. 2" Compatible Belts 8V Bushing Required This sheave requires a QD Type J Bushing to