BK100 One And A Quarter FHP Sheave BS For 4L 5L Or B Belts One Groove One And A Quarter Bore Class 30 Gray Cast Iron Nine Point Seven Five Inch OD Max RPM Two Thousand Five Hundred Forty Five Heavy Duty V Belt Pulley For Reliable Drive Systems
✔️ One groove pulley for 4L/5L or B belts, 1.25 in bore, gray cast iron
The BK100 FHP single-groove pulley (V-belt sheave) is designed for 4L/5L or B belts, with a 1.25 in bore and class 30 gray cast iron body. It is a common choice in power transmission drives across HVAC, farming equipment, and industrial machinery to reliably transfer rotation to a belt-driven load.
✅ One-groove pulley for single-belt drives (4L/5L or B belt cross sections)
✅ Bore 1.25 in (31.75 mm) for standard shafts
✅ Outer diameter 9.725 in (247 mm) to fit common drive systems
✅ Material class 30 gray cast iron for wear resistance
✅ Max RPM 2545 for reliable, heavy-duty belt drives
💡 What is a V-belt pulley used for in drive systems? A handy component that guides belts and transfers power between the drive shaft and driven components. - It guides the belt along a precise path to prevent drift and slip - It transfers power from drive shaft to driven component - It works with standard belt sections 4L/5L/B in many drives