BlackStar 4C500J - QD Sheave QD-E The BlackStar DS50A15 is a

The BlackStar DS50A15 is a 50 pitch double-single strand A-Plate roller chain sprocket with 15 teeth

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What are the dimensions of 25T5/330US

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"text": "The 6/D270 has a 1-1/4\" width

BlackStar 4C500J - QD Sheave QD-E The BlackStar DS50A15 is aThe BlackStar 4C500J is a 4 groove qd sheave, manufactured from cast iron. Requires a QD Type J Bushing (sold separately) to mount to your shaft. Specifications Part Number 4C500J Product Type QD Sheave Number of Grooves 4 Outside Diameter 50. 40" Material Cast Iron Approx. Weight 260. 000 lbs Belt Profile C Bushing Required QD Type J Bushing Pitch Diameter 50. 0" Compatible Belts C Bushing Required This sheave requires a QD Type J Bushing to mount to