BlackStar 4B250E - QD Sheave 2-Bolt Pillow Block The BlackStar 5050 2 7/16

The BlackStar 5050 2 7/16 STL is a 5050 series taper lock bushing with a 2 7/16" finished bore

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BlackStar 4B250E - QD Sheave 2-Bolt Pillow Block The BlackStar 5050 2 7/16The BlackStar 4B250E is a 4 groove qd sheave for B section belts, manufactured from cast iron. Requires a QD Type E Bushing (sold separately) to mount to your shaft. Specifications Part Number 4B250E Product Type QD Sheave Number of Grooves 4 Belt Profile B Outside Diameter 25. 35" Material Cast Iron Approx. Weight 73. 000 lbs Bushing Required QD Type E Bushing Pitch Diameter 25. 0" Compatible Belts A, B, 4L, 5L Bushing Required This sheave requires a