BlackStar 8-8V4000N - QD Sheave Timing Pulleys - Trapezoidal "text": "The 17/3V710 is used

"text": "The 17/3V710 is used for high-shock and high-vibration drives

"gtin12":"072053753271"} Recommended Alternative

"mpn":"TB072053741308"

Specifications Part Number 50BS55 1 3/8 K2S Chain Pitch 50 Number of Teeth 55 Bore Size 1-3/8" 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 11

BlackStar 8-8V4000N - QD Sheave Timing Pulleys - Trapezoidal "text": "The 17/3V710 is usedThe BlackStar 8 8V4000N is a 8 groove qd sheave for 8V section belts, manufactured from cast iron. Requires a QD Type N Bushing (sold separately). Specifications Part Number 8 8V4000N Product Type QD Sheave Number of Grooves 8 Belt Profile 8V Outside Diameter 40. 00" Bushing Required QD Type N Bushing Material Cast Iron Approx. Weight 530. 000 lbs Pitch Diameter 40. 0" Compatible Belts 8V Bushing Required This sheave requires a QD Type N Bushing to