BlackStar 3-5V670SK STL - QD Sheave 20M Section "text": "The 3/C150 is used

"text": "The 3/C150 is used for high-shock and high-vibration drives

and (3) the application environment (abrasion

com/s/files/1/0666/7721/products/J_Section_58cdbafd-cf97-42bc-8e72-ab16451917af

so a 250-S8M-1600 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

3/8VK1500 Banded V-Belt

BlackStar 3-5V670SK STL - QD Sheave 20M Section "text": "The 3/C150 is usedThe BlackStar 3 5V670SK STL is a 3 groove qd sheave for 5V section belts, manufactured from cast iron. Requires a QD Type SK Bushing (sold separately). Specifications Part Number 3 5V670SK STL Product Type QD Sheave Number of Grooves 3 Belt Profile 5V Outside Diameter 6. 70" Bushing Required QD Type SK Bushing Material Cast Iron Approx. Weight 12. 900 lbs Pitch Diameter 67. 0" Compatible Belts 5V Bushing Required This sheave requires a QD Type SK