12 Inch OD Single Groove V Belt Pulley For A B 5L 4L V Belts Motor Drive Carbon Steel Zinc Plated 1/2 Inch Bore With Standard Keyseat 1/8 X 1/16 Built To Last And Hardware

12 Inch OD Single Groove Belt Pulley for 5L/4L belts
✔️ 12 inch OD, 1/2 inch bore, 1 groove, 1/8x1/16 keyseat, zinc 1020 steel

This heavy-duty belt pulley features a 12 inch outer diameter and a single groove for standard V-belt drives. It’s designed for A/B, 5L, and 4L belts and is ideal for motors, compressors, lawn mowers, and snow blowers where reliable power transmission matters.

✅ Outside diameter: 12 inch, 1 groove
✅ Bore: 1/2 inch with standard keyseat 1/8x1/16
✅ Material: 1020 steel, zinc-plated to resist rust
✅ Fits V-belt sections A, B, 5L, 4L (AX, BX)
✅ Includes 2 mounting screws and 1 wrench
✅ Used on compressors, motors, lawn equipment, snow blowers
✅ Durable, heavy-duty construction built to last

💡 What is a belt pulley used for in power transmission systems?

This handy component transfers rotational motion and torque from a drive shaft to a belt-driven load, enabling other components to operate. - transfers torque efficiently when paired with the right belt and groove count - check bore size, keyseat, and material quality for long life - common applications include motors, compressors, lawn gear, snow blowers