One Groove Cast Iron Pulley For V-Belt Drives, 5/8 Inch Bore, 4.25 Inch Outside Diameter, Compatible With 4L A 5L Or B Belts, Static Balanced, Precisely Machined Cast Iron With Finished Bore And Standard Keyseat

Durable cast iron V-belt pulley, 4.25 in OD, 5/8 in bore
✔️ Single pulley, 1 groove, 4L/A/5L belt compatible, 5/8in bore

This solid, cast-iron pulley is built for single-groove V-belt drives and is commonly used on small machines, shop equipment, and light industrial gear to efficiently transfer rotational power. Designed for 4L and 5L belts, it fits a 5/8" bore shaft and a 4.25" outer diameter (108 mm OD).

✅ Outer diameter 4.25" (108 mm) for 4L/5L belts
✅ Bore 5/8" (15.9 mm), finished, standard keyseat
✅ 1 groove, cast iron, statically balanced
✅ Includes hollow-head setscrews; keyway not included

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

A handy, reliable way to transfer rotational power from a drive shaft to a belt-driven load.

- Transfers rotational power between shafts via belt drive - Works with standard V-belt sizes like 4L and 5L - Cast iron construction provides durability and heat tolerance - Keyseats and hollow-head setscrews help lock the pulley to the shaft