BlackStar 3-5V550SDS STL - QD Sheave flexco-sr-r5 "text": "The B248 is used

"text": "The B248 is used for general-purpose industrial drives

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The BlackStar 35BS48 1 K2S is a 35 pitch Finished Bore roller chain sprocket with 48 teeth

It is a direct replacement for Jason Industrial 16/5V1000

BlackStar 3-5V550SDS STL - QD Sheave flexco-sr-r5 "text": "The B248 is usedThe BlackStar 3 5V550SDS STL is a 3 groove qd sheave for 5V section belts, manufactured from cast iron. Requires a QD Type SDS Bushing (sold separately). Specifications Part Number 3 5V550SDS STL Product Type QD Sheave Number of Grooves 3 Belt Profile 5V Outside Diameter 5. 50" Bushing Required QD Type SDS Bushing Material Cast Iron Approx. Weight 9. 000 lbs Pitch Diameter 55. 0" Compatible Belts 5V Bushing Required This sheave requires a QD Type SDS