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12/8V4500 is a standardized industry size
Need a quote on 374K10
so a 1037K6 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves
Cross-references: Browning E 1
The BlackStar H40BTL21 is a 40 pitch Taper Lock roller chain sprocket with 21 teeth
BlackStar 1-3V220JA STL - QD Sheave flexco-550 12/8V4500 is a standardized industryThe BlackStar 1 3V220JA STL is a 1 groove qd sheave for 3V section belts, manufactured from cast iron. Requires a QD Type JA Bushing (sold separately). Specifications Part Number 1 3V220JA STL Product Type QD Sheave Number of Grooves 1 Belt Profile 3V Outside Diameter 2. 20" Bushing Required QD Type JA Bushing Material Cast Iron Approx. Weight 0. 440 lbs Pitch Diameter 22. 0" Compatible Belts 3V Bushing Required This sheave requires a QD Type JA
