2AK-20 7/8" Bore Solid Sheave Pulley - 2" OD , Hex set screws 2 grooves for V-belts size 4L, 3L 2AK (OD 2"- ID 7/8")

2AK-20 V-Belt Sheave Pulley
✔️ 2" OD - 7/8" Bore - Dual Groove Cast Iron

This 2AK-20 solid sheave pulley is precision-machined from cast iron and features two grooves for 3L or 4L V-belts. With a 2-inch outer diameter and a 7/8" keyed bore, it's designed for motors, fans, or machinery requiring reliable belt-driven power transfer.

✅ Pack size: 1 pulley
✅ Outside diameter: 2"
✅ Bore size: 7/8"
✅ Belt compatibility: 3L and 4L V-belts
✅ Number of grooves: 2
✅ Material: Cast iron
✅ Keyway: 3/16" wide x 3/32" deep
✅ Includes hex set screws for secure shaft mounting

💡 What’s the purpose of using dual-groove sheaves in belt-driven systems?
Using a dual-groove sheave increases torque transfer and load distribution across two belts, which reduces slippage, minimizes wear, and extends the life of both the pulley and the belts in synchronized mechanical systems.