BlackStar 4B5V68 - Split Taper Sheave 30mm "text": "The 5/B99 is used

"text": "The 5/B99 is used for high-shock and high-vibration drives

Prefer our D&D Global equivalent: SPC6300 V-Belt

What is 3/C71 used for

3/4 Stainless Steel Taper-Lock Bushings - English Sizes 78690005"

BlackStar 4B5V68 - Split Taper Sheave 30mm "text": "The 5/B99 is usedThe BlackStar 4B5V68 is a 4 groove split taper sheave for 5V section V belts, manufactured from cast iron. Requires a Split Taper Bushing (sold separately) to mount to your shaft. Specifications Part Number 4B5V68 Product Type Split Taper Sheave Number of Grooves 4 Belt Profile 5V (Wedge) Bushing Required Split Taper Bushing Material Cast Iron Pitch Diameter 6. 8" Outside Diameter 7. 30" Compatible Belts 5V Bushing Required This sheave requires a