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"mpn":"TB072053745405"
so a 2/SPC4750 from any major manufacturer shares the same cross-section and length and runs on the same sheaves
Specifications Part Number 50BS59 1 7/16 K2S Chain Pitch 50 Number of Teeth 59 Bore Size 1-7/16" Minimum Bore 1" Maximum Bore 1-15/16" Bore Type Finished Bore (Keyway + Set Screws) Hub Style Finished Bore Strand Count Single Material Steel Outside Diameter 12
v=1770157768"
656" Length 24 in Material EPDM Reinforcement Polyester Cord Color Black Temperature Range -40°F to 250°F
BlackStar 3-3V530SDS - QD Sheave flexco-alligator-20e "mpn":"TB072053745405"The BlackStar 3 3V530SDS is a 3 groove qd sheave for 3V section belts, manufactured from cast iron. Requires a QD Type SDS Bushing (sold separately). Specifications Part Number 3 3V530SDS Product Type QD Sheave Number of Grooves 3 Belt Profile 3V Outside Diameter 5. 30" Bushing Required QD Type SDS Bushing Material Cast Iron Approx. Weight 5. 200 lbs Pitch Diameter 53. 0" Compatible Belts 3V Bushing Required This sheave requires a QD Type SDS Bushing
